What Nook does

Nook is a consumer-facing mobile application that enables individuals to earn up to 7.6% APY on cash deposits by routing funds into decentralized finance (DeFi) money markets. The product targets everyday retail savers who are excluded from the high yields available to institutional and crypto-native users, abstracting DeFi complexity behind a simple iOS and Android interface. Users connect bank accounts via Plaid (500+ U.S. banks) or fund via Apple Pay or Coinbase, then Nook converts deposits to USDC stablecoin through Coinbase and allocates them across curated lending protocols including Moonwell and Spark Morpho on the Base blockchain. Interest accrues in real-time with compounding every 16 seconds, and funds can be withdrawn at any time without lockups or fees.

The underlying technology stack is a DeFi yield aggregation layer built on Base (Ethereum L2), using USDC as the settlement asset and relying on smart contracts for over-collateralized lending. The platform currently supports markets with $60B+ in cumulative partner deposits and has processed $500M+ in transactions. Nook generates revenue through the spread between borrower interest rates in DeFi markets and the yield paid to depositors; no fees are charged to users and there are no minimum deposit requirements. The company is headquartered in Austin, Texas, operates as Nook App Inc., and serves users in the US and Canada with stated plans for international expansion. It has raised $2.5M in seed funding from Coinbase Ventures, Defy Ventures, and UDHC.

Name

Nook

Legal name

Nook App Inc

Website

https://nookapp.xyz

Company type

Private

Founded year

2025

Operating status

Operating

Headcount range

1–10 employees

Short description

Nook is a consumer mobile app that converts cash deposits to USDC and routes them into DeFi lending protocols, letting everyday retail savers earn up to 7.6% APY with instant withdrawals. The product targets US and Canadian consumers seeking higher yields than traditional bank savings accounts.

Ownership category

akta.pro rank

Product category

Consumer Fintech / DeFi Savings

NAICS

Savings Institutions and Other Depository Credit Intermediation (52218)

SIC

Security & Commodity Brokers, Dealers, Exchanges & Services (6200)

akta.pro primary industry

Lending Protocol Infrastructure (Oracles, Rate Models, Vaults) (FSADAFAN)

akta.pro secondary industries

DEX Aggregators & Smart Order Routing (FSADABAC), DEX Aggregation & On-Chain Execution (routing, RFQ, intent-based trading) (FSAPAEAD)

Keywords

• High-yield savings app
• DeFi lending platform
• Stablecoin yield app
• Mobile fintech app
• USDC interest account

Headquarters

HQ city

Austin

HQ country

United States

HQ region

North America

Markets served

GTM type

B2C

Offering type

Software

Cost components

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

Revenue model

1. Interest spread from DeFi lending: Nook earns revenue by connecting user deposits to DeFi money markets. Users earn up to 7.6% APY while borrowers pay higher rates for liquidity access. The spread between what borrowers pay and what lenders earn likely generates Nook's revenue.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

Nook is a mobile application that converts consumer cash deposits into USDC stablecoin and routes them into curated DeFi lending money markets (Moonwell, Spark Morpho) on the Base blockchain, allowing users to earn up to 7.6% APY with real-time compounding interest. The platform supports instant deposits and withdrawals with no lockups via Coinbase, Plaid, Apple Pay, and ACH, and is targeted at everyday consumers seeking higher yields than traditional bank savings accounts.

Product overview

Nook is a single unified mobile application that provides high-yield DeFi savings through a consumer-friendly interface. The app converts user deposits to USDC stablecoin via Coinbase integration and allocates funds across hand-selected DeFi earning protocols including Moonwell and Spark Morpho. Users can withdraw funds anytime without lockups and earn real-time compounding interest. The product is available on both iOS and Android platforms, with support for Apple Pay, Plaid bank connections, and ACH transfers via Astra.

Differentiator

Problem solved

Functional benefit

Products and services

• Nook App A mobile application for individual consumers that converts cash deposits to USDC stablecoin via Coinbase and routes them into curated DeFi lending money markets (Moonwell, Spark Morpho), enabling users to earn up to 7.6% APY with real-time compounding interest, instant deposits and withdrawals, and no lockups.

Quantifiable outcome

• Up to 7.6% APY vs 0.01-0.07% for traditional banks (approximately 19x higher)
• +2 more outcomes

Named customers3 records

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature4 records

Partnerships

Five partnerships are on record, tiered core.

• CoinbasecoreTechnology or Integration · 1 January 2021Coinbase serves as Nook's trusted payment provider, facilitating the conversion of user funds to USDC behind the scenes. Users connect their Coinbase account or use Coinbase for fiat-to-crypto conversion. Nook was built with USDC and was originally developed through Coinbase's DeFi lending pilot.
• MoonwellcoreTechnology or IntegrationMoonwell is one of Nook's live earning protocols/money markets. Users can allocate funds to Moonwell's lending markets to earn interest. Nook experienced a temporary liquidity constraint issue with Moonwell in November 2025 which was resolved.
• Spark MorphocoreTechnology or IntegrationSpark Morpho Market is one of the live earning protocols available on Nook, providing users access to additional yield opportunities through the Morpho protocol.
• BasecoreTechnology or IntegrationNook is built on Base, Ethereum's layer 2 blockchain, which provides the infrastructure for the DeFi lending integration.
• USDCcoreTechnology or IntegrationUSDC is the stablecoin used throughout Nook's platform, pegged 1:1 to the U.S. dollar. User funds are converted to USDC for participation in DeFi markets.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Ledn: Consumer-facing crypto savings and lending platform offering yield on stablecoin and BTC deposits. Closely comparable to Nook in target customer (everyday crypto savers), product mechanics (over-collateralized lending), and GTM (mobile-first self-serve).
• BlockFi (historical): Defunct crypto lending/savings platform that previously served the same everyday-consumer yield niche as Nook. Useful as a precedent for both the demand Nook targets and the credit/execution risks that wiped out a prior leader in the space.
• Nexo: Crypto savings and lending platform letting retail users earn yield on stablecoin and BTC deposits and borrow against collateral. Same product surface as Nook, more established brand and fiat on-ramps.

Broad incumbents

• SoFi: Neobank offering high-yield savings (~3-4% APY) plus crypto trading. Targets the same everyday consumer seeking higher yield than traditional banks, but offers regulated, FDIC-insured product rather than DeFi exposure.
• Crypto.com Earn: Major crypto exchange offering an Earn product with stablecoin yield to retail users. Comparable yield feature, broader product portfolio (trading, cards, payments) versus Nook's narrow savings focus.
• Coinbase (Earn/Staking): Coinbase offers staking and USDC rewards to retail users and is also Nook's investor and key distribution partner. The closest competitive overlap and the most strategically important peer given overlapping customer base and yield offerings.

Emerging players

• Yearn Finance: DeFi yield aggregator that auto-routes deposits across lending markets to optimize APY. Conceptually similar to Nook's automated yield optimization, but without the consumer-friendly fiat on-ramp layer.

Others

• Compound (via mobile frontends): Core DeFi lending protocol supplying the same over-collateralized, variable-rate USDC yield that Nook distributes. A comparable yield source and competitive frontend ecosystem.
• Aave (via mobile frontends): Underlying DeFi lending protocol that Nook routes funds into. Comparable in that it is the yield source Nook depends on; consumer mobile frontends on top of Aave (e.g., Aave Arc, DeFi Saver) are direct substitutes for Nook's product.
• Morpho (via Spark): Underlying lending market that Nook already integrates via Spark Morpho. Comparable as both a yield source and a potential direct competitor consumer app if Spark launches a retail product.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/nook_savings
• YouTubeyoutube.com/@Nooksavings/videos
• LinkedInlinkedin.com/company/nooksavings

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds1 record

Investors4 records

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 Nook