Developer docs
API playgroundTry for free, no card

Search company profiles

Tumbler Holdings

Full company profile

uuid0009eii

Namestring
Tumbler Holdings
Legal namestring
Tumbler Holding, Inc.
Websiteurl
tumblerware.com
Company typeenum
Private
Founded yearint
2022
Descriptiontext

Tumbler Holdings, operating through its Tumbler Holding, Inc. entity incorporated in Washington and headquartered in Issaquah, is the parent of the Tumblerware brand and maker of the original rolling knife sharpener. The company sells two primary hardware lines — The Original Tumbler ($129, natural wood body, 15°/20° magnetic blade holder, diamond sharpening disc, steel honing disc) and the Tumbler Pro ($159-$169, resin or stainless steel body, four-layer diamond disc, EdgeBoost ceramic honing disc, interchangeable disc system supporting #150 coarse diamond and #3000/#6000 whetstone discs). Around these sharpeners it has built an accessory and knife ecosystem that includes chef's knives, steak knives, leather strops, protective stands, knife holders, cleaning cloths, and bundles/gift sets priced up to $315.

The business is a pure direct-to-consumer e-commerce operation running on Shopify at tumblerware.com, with no disclosed retail or marketplace presence. Go-to-market is product-led, relying on social proof (4,682 reviews at 4.91 stars on the flagship Gift Bundle), paid acquisition across Google, Facebook, Instagram, TikTok, Pinterest, and YouTube with AdRoll retargeting, organic SEO/content, email capture, GovX-verified discounts for military/first responders/teachers, and a corporate/bulk orders channel. Revenue is generated entirely from one-time product sales with no subscription model, priced across a $9-$315 ladder. Primary customers are home cooks and everyday consumers, with secondary segments including outdoor enthusiasts (Camo limited edition), prosumers seeking custom sharpening (Pro line and Knife Holder Pro), gift buyers, and B2B/corporate bulk purchasers. Geographic reach is limited to the US and Canada; international shipping is not currently offered.

The company is privately held and appears bootstrapped, with no disclosed venture funding, investors, or parent company. It is led by co-founder and CEO Manuel Rappard and operates with a small team of 1-10 employees. While official records show a 2022 incorporation, the brand narrative references an earlier farmers-market origin, and the company has accumulated a self-reported base of 500,000+ customers and 1,000,000+ sharpened knives, along with earned media placements in NBC, Good Housekeeping, and Outdoor Life.

Short descriptiontext

Tumbler Holdings operates the Tumblerware brand, selling rolling knife sharpeners and a growing knife/accessory ecosystem direct-to-consumer via Shopify to home cooks, outdoor enthusiasts, gift buyers, and corporate bulk purchasers across the US and Canada.

Operating statusenum
Operating
Ownership categoryenum
Headcount rangeband
1–10
akta.pro rankint
HeadquartersSeattle, United States
HQ citystring
Seattle
HQ countrystring
United States
HQ regionstring
North America
Markets served

Serves global market

Offices1 record

Each record includes

City, Country, Type, Description, Source

Keyword5 values
rolling knife sharpeners, kitchen cutlery accessories, diamond sharpening tools, knife maintenance products, chef knife care
NAICS code1 code
  • Saw Blade and Handtool Manufacturing332216
SIC code1 code
  • Cutlery, Handtools & General Hardware3420
Product category
Knife Sharpeners
Social media profiles2 records
GTM motion1 record

Each record includes

Type, Description, Source

Revenue model1 record
1Product Sales
TypeOne Time License
Description

One-time purchase revenue from selling knife sharpeners, accessories, knives, and gift bundles directly to consumers through their e-commerce website. No subscription or recurring revenue model.

tumblerware.com
Marketing channels16 records

Each record includes

Title, Type, Stage, Description, Source

Distribution channels4 records

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components5 values
Marketing or Sales, Supply Chain, Operations, Technology or R&D, Personnel
Pricing details9 tiers
1Original Tumbler - Entry-level sharpener
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Original Tumbler: $129. Includes diamond sharpening disc and steel honing disc, 15° and 20° angle options, natural wood body.

tumblerware.com
2Tumbler Pro - Advanced sharpener with interchangeable discs
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Tumbler Pro (various colors): $159. Includes 4-layer diamond disc, EdgeBoost ceramic honing disc, removable disc system, durable resin body.

tumblerware.com
3Tumbler Pro Stainless Steel - Limited edition premium
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Tumbler Pro Stainless Steel Edition: $169. Premium brushed stainless steel body with same sharpening performance as Pro.

tumblerware.com
4Starter Set - Sharpener + stand + strop bundle
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Starter Set: $165 (regularly $207, 20% off). Includes Original Tumbler, Magnetic Knife Holder, Display Stand, Leather Strop.

tumblerware.com
5Gift Bundles - Sharpener + knife combinations
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Tumbler Gift Bundle (Sharpener + 8" Chef's Knife): $189 (reg. $227, 17% off). Complete Knife Set Bundle (8" Chef's Knife + 4 Steak Knives): $169 (reg. $214, 21% off).

tumblerware.com
6Pro Starter Set - Full Pro kit with accessories
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Pro Starter Set: $252 (reg. $315, 20% off). Includes Pro Roller, Magnet Holder Pro (4 angles), Whetstone Discs (#3000 & #6000 grit), Weighted Pro Stand.

tumblerware.com
7Pro Bundles - Pro sharpener + whetstone discs
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Pro Bundles: $159-$199 (15-20% off). Include Pro sharpener with whetstone discs for refined polishing.

tumblerware.com
8Accessories - Strops, stands, discs, holders, knives, cloths
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Leather Strop: $39. Protective Stand: $39. Knife Holder Pro: $39. Whetstone Disc Set: $69. Coarse Diamond Disc: $69. Signature Chef's Knife 8": $98. Steak Knife: $29. Microfiber Cleaning Cloth: $9. Tumbler Hoodie: $69.

tumblerware.com
9Gift Cards
ModelOne time/ perpetual licenseBilling cadencePay-as-you-go
Notes

Physical gift cards available in $20+ denominations. Digital gift cards also available.

tumblerware.com
GTM typeB2C
B2C
Offering typeHardware or Manufacturing
Hardware or Manufacturing
Core offering1 text field

Tumbler Holdings designs, markets and sells the original Tumbler rolling knife sharpener and accessories direct-to-consumer via tumblerware.com. The flagship product is a magnetic angle-guided roller that uses diamond-coated and ceramic honing discs to restore the edge of straight-blade kitchen knives in minutes. The portfolio also includes an upgraded Pro line with interchangeable discs, complementary chef and steak knives, leather strops, whetstone discs, protective stands, and bundled gift/starter sets.

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 3 values shown
  • 500,000+ knives sharpened by customers (self-reported)
+2 more records
Product overview1 text field

Tumbler Holdings offers a portfolio of rolling knife sharpeners and knife-related products, consisting of two main product lines: The Original Tumbler (aimed at everyday home chefs) and the Tumbler Pro series (targeting professionals and serious enthusiasts requiring enhanced precision and versatility). The Original Tumbler is a diamond rolling sharpener with preset 15° and 20° angles, while the Tumbler Pro offers four-layer diamond discs, ceramic EdgeBoost honing, heavier weighted bodies, and interchangeable disc systems. Products are sold individually (sharpeners, knives, accessories) and in bundles including gift sets, starter sets, starter sets with stands and strops, and complete knife bundles. Accessories include whetstone discs, coarse diamond discs, knife holders, protective stands, cleaning cloths, and leather strops. The Pro line is available in multiple color finishes including Charcoal Black, Arctic Gray, Forest Green, Orange, and limited editions (Stainless Steel and Camouflage Green).

Product and service1 record
1The Original Tumbler
Scale indicator6 records

Each record includes

Type, Value, Description, Source

Recent move6 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight6 records

Each record includes

Type, Description

Peers10 records
TypeDirect peer
Description

Direct competitor in the abrasive/rolling knife and tool sharpener category. Work Sharp sells powered and manual sharpeners, frequently via DTC and specialty retail, and overlaps Tumbler's target consumer (kitchen, outdoor, hunting).

TypeBroad incumbent
Description

Long-established electric and manual knife sharpener brand owned by EdgeCraft. Targets the same home-cook demographic with multi-stage sharpeners sold through major retail and online channels; a broader incumbent with overlapping problem space.

TypeDirect peer
Description

Direct competitor in controlled-angle knife sharpening systems. Lansky sells clamping sharpening kits popular with knife enthusiasts and outdoor users, addressing the same precision-angle pain point as Tumbler's magnetic holder.

4Smith's Sharpeners
TypeBroad incumbent
Description

Broad-line sharpening tools brand covering kitchen, outdoor, and hunting knives. Sells through sporting goods, mass retail, and DTC; competes with Tumbler across both home-cook and outdoor segments.

TypeBroad incumbent
Description

Premium knife maker with its own branded sharpening products (e.g., Sharpmaker). Overlaps Tumbler in outdoor/hunting enthusiast segments and offers both knives and sharpeners as part of a wider portfolio.

TypeBroad incumbent
Description

Premium German cutlery brand that also markets sharpening solutions for its knives. Comparable to Tumbler's pivot into branded knives (Signature Chef's Knife) and represents an aspirational incumbent in the home-cook segment.

TypeBroad incumbent
Description

Global premium cutlery and kitchen brand offering knives and sharpening tools. Comparable to Tumbler's full-stack play (sharpeners + branded knives) and operates at significantly broader scale and distribution.

8Edge Pro
TypeDirect peer
Description

Specialist in precision knife sharpening systems used by professionals and enthusiasts. Competes in the same precision-angle segment that Tumbler Pro addresses with its magnetic holder and interchangeable discs.

TypeEmerging player
Description

Smaller DTC and Amazon-focused knife/tool sharpener brand. Overlaps Tumbler's home and outdoor sharpening use cases at typically lower price points, representing a private-label-style competitive threat.

TypeBroad incumbent
Description

Swiss cutlery and kitchen tools maker with broad retail distribution and branded sharpening accessories. Comparable to Tumbler's knife-plus-sharpener bundle strategy and a global incumbent in home-cook cutlery.

Market position
Strengths5 records

Each record includes

Headline, Details, Source

Weaknesses5 records

Each record includes

Headline, Details, Source

Competitive moat5 records

Each record includes

Type, Details

Key risks6 records

Each record includes

Headline, Details, Source

Key highlights6 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Segment6 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile1 record

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
No
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature6 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles1 record

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

No data
No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Tumbler Holdings

Knife Sharpenerstumblerware.com

Tumbler Holdings operates the Tumblerware brand, selling rolling knife sharpeners and a growing knife/accessory ecosystem direct-to-consumer via Shopify to home cooks, outdoor enthusiasts, gift buyers, and corporate bulk purchasers across the US and Canada.

What Tumbler Holdings does

Tumbler Holdings, operating through its Tumbler Holding, Inc. entity incorporated in Washington and headquartered in Issaquah, is the parent of the Tumblerware brand and maker of the original rolling knife sharpener. The company sells two primary hardware lines — The Original Tumbler ($129, natural wood body, 15°/20° magnetic blade holder, diamond sharpening disc, steel honing disc) and the Tumbler Pro ($159-$169, resin or stainless steel body, four-layer diamond disc, EdgeBoost ceramic honing disc, interchangeable disc system supporting #150 coarse diamond and #3000/#6000 whetstone discs). Around these sharpeners it has built an accessory and knife ecosystem that includes chef's knives, steak knives, leather strops, protective stands, knife holders, cleaning cloths, and bundles/gift sets priced up to $315.

The business is a pure direct-to-consumer e-commerce operation running on Shopify at tumblerware.com, with no disclosed retail or marketplace presence. Go-to-market is product-led, relying on social proof (4,682 reviews at 4.91 stars on the flagship Gift Bundle), paid acquisition across Google, Facebook, Instagram, TikTok, Pinterest, and YouTube with AdRoll retargeting, organic SEO/content, email capture, GovX-verified discounts for military/first responders/teachers, and a corporate/bulk orders channel. Revenue is generated entirely from one-time product sales with no subscription model, priced across a $9-$315 ladder. Primary customers are home cooks and everyday consumers, with secondary segments including outdoor enthusiasts (Camo limited edition), prosumers seeking custom sharpening (Pro line and Knife Holder Pro), gift buyers, and B2B/corporate bulk purchasers. Geographic reach is limited to the US and Canada; international shipping is not currently offered.

The company is privately held and appears bootstrapped, with no disclosed venture funding, investors, or parent company. It is led by co-founder and CEO Manuel Rappard and operates with a small team of 1-10 employees. While official records show a 2022 incorporation, the brand narrative references an earlier farmers-market origin, and the company has accumulated a self-reported base of 500,000+ customers and 1,000,000+ sharpened knives, along with earned media placements in NBC, Good Housekeeping, and Outdoor Life.

Tumbler Holdings firmographics

Firmographics
Name
Tumbler Holdings
Legal name
Tumbler Holding, Inc.
Website
https://tumblerware.com
Company type
Private
Founded year
2022
Operating status
Operating
Headcount range
1–10 employees
Short description
Tumbler Holdings operates the Tumblerware brand, selling rolling knife sharpeners and a growing knife/accessory ecosystem direct-to-consumer via Shopify to home cooks, outdoor enthusiasts, gift buyers, and corporate bulk purchasers across the US and Canada.
Ownership category
akta.pro rank

Where Tumbler Holdings is headquartered

Location

Headquarters

HQ city
Seattle
HQ country
United States
HQ region
North America

Offices1 record

Markets served

Tumbler Holdings business model

Business model
GTM type
B2C
Offering type
Hardware or Manufacturing
Cost components
Marketing or Sales, Supply Chain, Operations, Technology or R&D, Personnel

Revenue model

  1. Product Sales: One-time purchase revenue from selling knife sharpeners, accessories, knives, and gift bundles directly to consumers through their e-commerce website. No subscription or recurring revenue model.

Pricing tiers

ModelBillingPrice
One time/ perpetual licensePay-as-you-goOriginal Tumbler - Entry-level sharpener
One time/ perpetual licensePay-as-you-goTumbler Pro - Advanced sharpener with interchangeable discs
One time/ perpetual licensePay-as-you-goTumbler Pro Stainless Steel - Limited edition premium
One time/ perpetual licensePay-as-you-goStarter Set - Sharpener + stand + strop bundle
One time/ perpetual licensePay-as-you-goGift Bundles - Sharpener + knife combinations
One time/ perpetual licensePay-as-you-goPro Starter Set - Full Pro kit with accessories
One time/ perpetual licensePay-as-you-goPro Bundles - Pro sharpener + whetstone discs
One time/ perpetual licensePay-as-you-goAccessories - Strops, stands, discs, holders, knives, cloths
One time/ perpetual licensePay-as-you-goGift Cards

Go-to-market motion1 record

Distribution channels4 records

Marketing channels16 records

Tumbler Holdings product offering

Product offering

Core offering

Tumbler Holdings designs, markets and sells the original Tumbler rolling knife sharpener and accessories direct-to-consumer via tumblerware.com. The flagship product is a magnetic angle-guided roller that uses diamond-coated and ceramic honing discs to restore the edge of straight-blade kitchen knives in minutes. The portfolio also includes an upgraded Pro line with interchangeable discs, complementary chef and steak knives, leather strops, whetstone discs, protective stands, and bundled gift/starter sets.

Product overview

Tumbler Holdings offers a portfolio of rolling knife sharpeners and knife-related products, consisting of two main product lines: The Original Tumbler (aimed at everyday home chefs) and the Tumbler Pro series (targeting professionals and serious enthusiasts requiring enhanced precision and versatility). The Original Tumbler is a diamond rolling sharpener with preset 15° and 20° angles, while the Tumbler Pro offers four-layer diamond discs, ceramic EdgeBoost honing, heavier weighted bodies, and interchangeable disc systems. Products are sold individually (sharpeners, knives, accessories) and in bundles including gift sets, starter sets, starter sets with stands and strops, and complete knife bundles. Accessories include whetstone discs, coarse diamond discs, knife holders, protective stands, cleaning cloths, and leather strops. The Pro line is available in multiple color finishes including Charcoal Black, Arctic Gray, Forest Green, Orange, and limited editions (Stainless Steel and Camouflage Green).

Differentiator

Problem solved

Functional benefit

Products and services

  • The Original Tumbler

Quantifiable outcome

  • 500,000+ knives sharpened by customers (self-reported)
  • +2 more outcomes

Companies that use Tumbler Holdings

Customer profile

Segments6 records

Ideal customer profiles1 record

Tumbler Holdings technology and API

Technology

Technology focussed No

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature6 records

Tumbler Holdings partnerships and signals

Strategic signal

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Tumbler Holdings competitors and assessment

Company assessment

Direct peers

  • Work Sharp Sharpeners: Direct competitor in the abrasive/rolling knife and tool sharpener category. Work Sharp sells powered and manual sharpeners, frequently via DTC and specialty retail, and overlaps Tumbler's target consumer (kitchen, outdoor, hunting).
  • Lansky Sharpeners: Direct competitor in controlled-angle knife sharpening systems. Lansky sells clamping sharpening kits popular with knife enthusiasts and outdoor users, addressing the same precision-angle pain point as Tumbler's magnetic holder.
  • Edge Pro: Specialist in precision knife sharpening systems used by professionals and enthusiasts. Competes in the same precision-angle segment that Tumbler Pro addresses with its magnetic holder and interchangeable discs.

Broad incumbents

  • Chef'sChoice: Long-established electric and manual knife sharpener brand owned by EdgeCraft. Targets the same home-cook demographic with multi-stage sharpeners sold through major retail and online channels; a broader incumbent with overlapping problem space.
  • Smith's Sharpeners: Broad-line sharpening tools brand covering kitchen, outdoor, and hunting knives. Sells through sporting goods, mass retail, and DTC; competes with Tumbler across both home-cook and outdoor segments.
  • Spyderco: Premium knife maker with its own branded sharpening products (e.g., Sharpmaker). Overlaps Tumbler in outdoor/hunting enthusiast segments and offers both knives and sharpeners as part of a wider portfolio.
  • Wüsthof: Premium German cutlery brand that also markets sharpening solutions for its knives. Comparable to Tumbler's pivot into branded knives (Signature Chef's Knife) and represents an aspirational incumbent in the home-cook segment.
  • Zwilling J.A. Henckels: Global premium cutlery and kitchen brand offering knives and sharpening tools. Comparable to Tumbler's full-stack play (sharpeners + branded knives) and operates at significantly broader scale and distribution.
  • Victorinox: Swiss cutlery and kitchen tools maker with broad retail distribution and branded sharpening accessories. Comparable to Tumbler's knife-plus-sharpener bundle strategy and a global incumbent in home-cook cutlery.

Emerging players

  • Sharpal: Smaller DTC and Amazon-focused knife/tool sharpener brand. Overlaps Tumbler's home and outdoor sharpening use cases at typically lower price points, representing a private-label-style competitive threat.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Tumbler Holdings social profiles

Digital presence

Tumbler Holdings financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Tumbler Holdings leadership team

Management profile

Number of profiles

Profiles1 record

Tumbler Holdings funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Tumbler Holdings M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tumbler Holdings

What does Tumbler Holdings do?

Tumbler Holdings designs, markets and sells the original Tumbler rolling knife sharpener and accessories direct-to-consumer via tumblerware.com. The flagship product is a magnetic angle-guided roller that uses diamond-coated and ceramic honing discs to restore the edge of straight-blade kitchen knives in minutes. The portfolio also includes an upgraded Pro line with interchangeable discs, complementary chef and steak knives, leather strops, whetstone discs, protective stands, and bundled gift/starter sets.

Is Tumbler Holdings a public or private company?

Tumbler Holdings is a private company. It is classified as founder individual operated bootstrapped and is currently operating.

When was Tumbler Holdings founded?

Tumbler Holdings was founded in 2022. It employs 1 to 10 people.

Where is Tumbler Holdings based?

Tumbler Holdings is headquartered in Seattle, United States, in the North America region.

How does Tumbler Holdings make money?

One revenue line is on record: product Sales.

Who are Tumbler Holdings's main competitors?

Direct peers on record are Work Sharp Sharpeners, Lansky Sharpeners and Edge Pro. Broad incumbents are Chef'sChoice, Smith's Sharpeners, Spyderco, Wüsthof, Zwilling J.A. Henckels and Victorinox. Sharpal is listed as an emerging player.

Does Tumbler Holdings have an API?

No public API is recorded for Tumbler Holdings.

Unlock the full company data

50 free credits on sign-up, no credit card required.

Contact sales