69 Best App Store Optimization Startups to Watch in 2025

The Definitive Seedtable Ranking of App Store Optimization Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 541 start-ups with an aggregate funding of $14.3b. The average funding per company in this subset is $207.2m.

Last update to the database: Feb 18, 2025. See changelog.

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7

Funding Rounds

$10.1m

Money raised

Cere Network is a decentralized data cloud platform built on Polkadot.

Location:

Key people:

6

Funding Rounds

$799.8m

Money raised

A bank offering online banking services with no user no bank fees, and an option to receive direct deposit up to two days early. Chris Britt and Ryan King founded Chime in 2013, and the company is headquartered in San Francisco, California.

4

Funding Rounds

$106.4m

Money raised

Moralis is a Web3 development platform.

3

Funding Rounds

$17.5m

Money raised

Numerai is a hedge fund with stock market trades determined by crowdsourced artificial intelligence models. The best models receive rewards in the form of a cryptographic token called Numeraire (NMR) on the Ethereum blockchain.

2

Funding Rounds

$27.0m

Money raised

CryptoKitties is a game built on the Ethereum blockchain in which users can collect and trade virtual kittens.

6

Funding Rounds

$95.0m

Money raised

ClimaCell is a Boston-based weather intelligence platform for automated weather predictions.

Location:

Key people:

1

Funding Rounds

$5.0m

Money raised

Jupiter Exchange is a swap aggregator on Solana.

8

Funding Rounds

$274.7m

Money raised

Sisense is a software company offering a platform for data analysts and data engineers to transform data into actionable business insights.

5

Funding Rounds

$241.5m

Money raised

Hasura is a software and development tools company, offering tools for developers to simplify application development.

Location:

Key people:

2

Funding Rounds

$9.3m

Money raised

Cega is a Singapore-based company developing a decentralized finance application designed to create derivative contracts as well as consumer-facing staking products for the retail audience.

1

Funding Rounds

$1.2m

Money raised

Zapier is an American for-profit corporation and a web-based service that allows end users to integrate the web applications they use.

Location:

Key people:

5

Funding Rounds

$37.7m

Money raised

42Crunch is an enterprise API security platform with integrated services, including an API firewall, to discover and remediate API security vulnerabilities.

Location:

Key people:

5

Funding Rounds

$433.0m

Money raised

Postman is a San Francisco-based software company offering an API development environment.

2

Funding Rounds

$146.0m

Money raised

Unifonic is a Saudi-based cloud communication startup.

Location:

Key people:

2

Funding Rounds

$2.0m

Money raised

Plivo is a cloud-based communications platform as a service (CPaaS) company headquartered in San Francisco, California. The company allows software developers to integrate phone calls, text messages, and other communication functions into their applications using its web service APIs.

2

Funding Rounds

$5.4m

Money raised

BigchainDB is a scalable blockchain database that enables developers and enterprise to deploy blockchain proof-of-concepts, platforms and apps with a scalable blockchain database.

Location:

Key people:

20

Funding Rounds

$363.4m

Money raised

Contentful's platform helps teams deliver digital experiences faster with an API-first approach.

Location:

Key people:

2

Funding Rounds

$3.0m

Money raised

Fortress Identity is a Miami-based cybersecurity developer offering multi-factor authentication with biometrics inherence factors to secure iOS and Android applications, active directory environments and Citrix applications.

4

Funding Rounds

$68.4m

Money raised

PolyAI is a company building an enterprise conversational platform with AI-generated voice assistants to improve customer experience.

Location:

Key people:

5

Funding Rounds

$90.0m

Money raised

Strapi is a company offering an open-source headless content management system (CMS).

14

Funding Rounds

$2.5b

Money raised

N26 is a is a mobile banking company headquartered in Berlin, Germany.

Location:

Key people:

9

Funding Rounds

$462.2m

Money raised

Algolia is a company designing and building search and discovery API for websites and mobile apps. It participated in the W14 cohort of Y Combinator.

Location:

Key people:

3

Funding Rounds

$50.0m

Money raised

imToken is a company providing a multi-chain cryptocurrency wallet.

7

Funding Rounds

$207.3m

Money raised

Replit is a San Francisco-based IDE and software development environment company making a browser application platform for coding in over fifty programming languages.

Location:

Key people:

3

Funding Rounds

$46.8m

Money raised

EVEN Financial offers a B2B2C API to help connect financial institutions to consumers, and connect consumers to personalized financial products.

7

Funding Rounds

$218.1m

Money raised

SendBird is a developer of a messaging API for mobile applications and websites.

7

Funding Rounds

$281.0m

Money raised

Salt Security is a Palo Alto, California-based protection platform for APIs and associated API integrations.

Key people:

2

Funding Rounds

$35.0m

Money raised

Stardust is a company that develops solutions for gaming in the metaverse.

Key people:

7

Funding Rounds

$97.8m

Money raised

Directly is a San Francisco-based developer of artificial intelligence systems of customer experience and chatbots founded by Antony Brydon, Jean Tessier and Jeff Patterson.

6

Funding Rounds

$276.5m

Money raised

Crunchbase is company that offers an online platform for discovering information related to private and public businesses.

1

Funding Rounds

$5.0m

Money raised

Exotic Markets is a decentralized wealth management and structured products founded by Joffrey Dalet.

6

Funding Rounds

$37.7m

Money raised

MachineMetrics is a developer of industrial IoT analytics and a machine monitoring platform.

Key people:

3

Funding Rounds

$313.0m

Money raised

Flatiron Health is a startup that organizes real-time oncology data to help cancer patients and doctors.

6

Funding Rounds

$23.7m

Money raised

Symbl is an API platform for businesses looking to deploy conversational intelligence.

5

Funding Rounds

$75.9m

Money raised

Unstoppable Domains is a company that offers alt-route domain names based on blockchain technology.

3

Funding Rounds

$20.0m

Money raised

Upland is a property trading metaverse connected to real-world addresses.

4

Funding Rounds

$23.3m

Money raised

Bitski is a company making a dApp wallet SDK for decentralized applications.

Key people:

7

Funding Rounds

$272.5m

Money raised

Rapid API is a software company specializing in developing a platform for application programming interfaces.

1

Funding Rounds

$3.0m

Money raised

Airwaive is an online marketplace that connects wireless service providers with home and business owners who earn an income operating wireless access points.

4

Funding Rounds

$118.2m

Money raised

Railsr, formerly Railsbank, is a London-based open-API banking and compliance platform that gives regulated and un-regulated companies access to global bankings.

4

Funding Rounds

$3.2m

Money raised

MonkeyLearn is an artificial intelligence data analysis and visualization platform.

6

Funding Rounds

$9.8m

Money raised

Facial recognition company Kairos today announced the alpha release of the Kairos Protocol, a biometric verification system for cryptocurrency transactions.

6

Funding Rounds

$103.4m

Money raised

Tribal Credit is a company in San Francisco.

3

Funding Rounds

$13.9m

Money raised

Corsha provides API security software that aims to prevent network attacks through multi-factor authentication for APIs.

3

Funding Rounds

$220.0m

Money raised

Noname Security is a Palo Alto, California-based cybersecurity and network security company developing products to protect APIs.

Industries:

Key people:

2

Funding Rounds

Etherscan is a block explorer for Ethereum.

3

Funding Rounds

$2.9m

Money raised

Seerslab is an augmented reality (AR) company providing mobile augmented reality (AR) and vision AI-based solutions to app developers.

8

Funding Rounds

$362.8m

Money raised

Docker provides an open-source project for deploying applications inside software containers.

5

Funding Rounds

$162.5m

Money raised

A company offering a communications platform allows developers to quickly build features that connect to every email, calendar, and contacts provider in the world.

5

Funding Rounds

$2.3m

Money raised

An app that aggregates social media data to produce a real-time map of sickness.

1

Funding Rounds

$8.0m

Money raised

Uphold (formerly Bitreserve) is a cloud-based digital money platform. Users can buy, hold, convert and transact across currencies and commodities, including cryptocurrencies.

5

Funding Rounds

$108.1m

Money raised

AssemblyAI is a speech AI company developing AI models capable of transcribing and understanding human speech.

5

Funding Rounds

$48.1m

Money raised

Spire is a company developing tags that provide health tracking including respiration, sleep, stress, activity, and pulse rate.

Location:

Key people:

5

Funding Rounds

$373.0m

Money raised

Gupshup is an AI-powered messaging platform that integrates with communication software and protocols for commerce, marketing, and support applications.

5

Funding Rounds

$167.6m

Money raised

Kong (formerly Mashape) is a San Francisco-based company that offers open source microservice API gateway.

9

Funding Rounds

$57.5m

Money raised

DrChrono is a company providing EHR, Practice Management, and Revenue Cycle Management Solution APIs. It participated in the W11 cohort of Y Combinator.

Key people:

8

Funding Rounds

$132.0m

Money raised

Practice Fusion is a San Francisco-based developer of electronic health record and medical practice management software.

6

Funding Rounds

$2.8b

Money raised

Sinch offers programmable SMS, voice, video, and verification tools.

1

Funding Rounds

$2.0m

Money raised

Cardiogram is a company building a personal healthcare assistant, using Deep Learning to turn consumer wearables into continuous health monitors. Cariogram can now detect 4 medical conditions Sleep Apnea, High Blood Pressure, Atrial Fibrillation, and Diabetes.

Location:

Key people:

4

Funding Rounds

$20.4m

Money raised

Stoplight is an Austin, Texas based company developing an API design and documentation platform.

2

Funding Rounds

$20.4m

Money raised

A patient connection and relationship management company, using artificial intelligence-enabled technology to drive more meaningful patient-doctor engagements while improving care utilization and pathways.

Location:

Key people:

5

Funding Rounds

$33.9m

Money raised

A company building an identity resolution & insights platform

2

Funding Rounds

$23.5m

Money raised

Walletconnect Association is the company behind WalletConnect, an open protocol designed to enable secure communication between wallets and dApps (Web3 apps).

Location:

Key people:

1

Funding Rounds

$1.7m

Money raised

SkillWallets are NFT IDs that unlock the true power ofWeb3 Communities

7

Funding Rounds

$430.8m

Money raised

AppDirect is a company providing an end-to-end cloud commerce platform for businesses.

Location:

Key people:

7

Funding Rounds

$86.8m

Money raised

Sanity is a software company offering a customizable headless content management system (HCMS).

14

Funding Rounds

$1.2b

Money raised

Zopa is a peer-to-peer lending platform founded in 2005 by Giles Andrews.

Location:

Key people:

1

Funding Rounds

$4.0m

Money raised

ChainML is a Web3 startup building a decentralized machine learning protocol.

Key people:

7

Funding Rounds

$134.0m

Money raised

U.S-based company providing cloud infrastructure for global software and hardware development and deployment.

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