What Reply Guy does

Reply Guy is a privately held, bootstrapped software company that operates a single product: a Chrome browser extension designed to help X (formerly Twitter) users identify high-momentum, niche-relevant posts worth replying to. The extension filters the user's X timeline in real time using engagement velocity analysis, user-defined keyword highlighting, and account whitelisting rules, transforming a noisy feed into a focused reply queue. The company was founded and is operated by Douwe, who grew his own X following from zero to 1,100+ through strategic replying and built the product publicly in front of that audience.

The technology stack is a Chrome extension that integrates with X's web interface to process timeline content and apply filtering logic; the company has additionally layered generative AI capabilities (reply, comment, dialogue, and response generators) into the extension workflow. The product is sold as a one-time $17 lifetime license (currently discounted from $29), distributed exclusively through the company's own direct-to-consumer website storefront at getreplyguy.com with no sales team involvement. The go-to-market is a pure product-led growth model: customers purchase, receive a license key via email, install the extension, and self-activate within minutes.

Reply Guy serves individual creators, indie hackers, agency owners, and personal brand builders who use X as their primary social platform for audience growth; the company reports 100+ customers and 275,000+ tweets filtered since launch. Distribution relies on content marketing via the company blog, organic presence on X, peer testimonials displayed on the homepage, and IndieHackers community endorsements. No external funding, parent company, subsidiaries, partnerships, or channel relationships are disclosed in available sources.

Name

Reply Guy

Legal name

Reply Guy Chrome Extension

Website

https://getreplyguy.com

Company type

Private

Operating status

Operating

Short description

Reply Guy is a bootstrapped, founder-operated company selling a Chrome extension that filters X (Twitter) timelines to surface high-momentum posts for individual creators, indie hackers, and SMBs growing their presence on the platform.

Ownership category

akta.pro rank

GTM type

B2C

Offering type

Software

Cost components

Technology or R&D, Marketing or Sales, Personnel, Infrastructure, Operations

Revenue model

1. Chrome Extension License (Lifetime): Reply Guy sells a one-time lifetime license for its Chrome extension. Customers pay a single fee for perpetual access with no recurring subscription. The primary offering is the Lifetime plan at $17 (reduced from $29 as a limited-time offer).

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Reply Guy is a Chrome browser extension that filters a user's X (Twitter) timeline in real time, surfacing high-momentum, niche-relevant posts based on engagement velocity, keyword matching, and user-defined whitelist rules. The product enables individual creators, indie hackers, and personal brand builders to identify and reply to posts before they peak, saving time on noisy timeline scrolling. It is sold as a one-time $17 lifetime license (originally $29) with no subscription, distributed through the company's own website.

Product overview

Reply Guy is a single-product company offering the Reply Guy Chrome Extension, a browser-based tool designed to help X (Twitter) users find and reply to high-momentum posts. The extension filters the user's timeline to identify trending conversations, highlights keywords matching user-specified niches, and allows whitelisting of favorite accounts. The product is sold as a one-time lifetime purchase for $17, positioned as a productivity tool for creators, agency owners, and individuals looking to grow their X presence through strategic engagement.

Differentiator

Problem solved

Functional benefit

Products and services

• Reply Guy Chrome Extension A Chrome browser extension that filters a user's X (Twitter) timeline in real time to surface high-momentum, niche-relevant posts. Features include engagement velocity (views-per-minute) tracking, keyword highlighting, account whitelisting, and AI-powered reply generation. Sold as a one-time $17 lifetime license (originally $29) targeting individual creators, indie hackers, personal brand builders, and small agency owners who want to grow their X presence through strategic early engagement.

Quantifiable outcome

• Trusted by 100+ happy users
• +4 more outcomes

Named customers13 records

Segments1 record

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature5 records

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Market position

Competitive moat2 records

Key highlights7 records

Customer concentration

• Xtwitter.com/tjerkienator

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Reply Guy