Top Apps Startups in 2025

Grammarly is the trusted AI assistant for communication and productivity, helping over 40 million people and 50,000 organizations do their best work. Companies like Atlassian, Databricks, and Zoom rely on Grammarly to brainstorm, compose, and enhance communication that moves work forward. Grammarly works where you work, integrating seamlessly with over 500,000 applications and websites. --- Grammarly stands with Ukraine. We invite you to do the same. Here are some ways you can help: gram.ly/WeStandWithUkraine

Pendo helps people adopt software more quickly and successfully. Pendo customers include the world’s leading software companies and digital enterprises, including Verizon, RE/MAX, LabCorp, OpenTable, Okta, Salesforce, and Zendesk. Founded in 2013 in the heart of Raleigh, North Carolina, Pendo is backed by Battery Ventures, Spark Capital, Meritech Capital and Sapphire Ventures. Through its ProductCraft and customer communities, sponsored events and podcast, Pendo aims to support the success of product and digital leaders everywhere. For more information, visit: pendo.io

Using comScore verified, real-time data from 50 million first-party integrations with the world's most popular apps, inMarket identifies and engages consumers at every stage of the shopping cycle and creates exciting experiences that drive huge campaign ROI for the world’s top brands.

We’re a market-leading customer messaging and engagement solution, offering mobile and web push notifications, in-app messaging, SMS, and email. Our powerful multi-channel platform enables over one million businesses to deliver over 10 billion messages daily. Powered by superior architecture, OneSignal is designed to scale and deliver messages more quickly and reliably than the competition. By providing an open API, extensive documentation, free accounts, and intuitive personalization and analytics tools, we help businesses of all sizes provide a seamless messaging experience to create meaningful customer connections.

Calm is the leading mental wellness brand with the #1 App for Sleep, Meditation and Relaxation™, designed to help you manage stress, sleep better and live a happier, healthier life. With hundreds of hours of original audio content available in seven languages, Calm supports users in more than 190 countries. Apple’s 2017 iPhone App of the Year and one of Fast Company’s Most Innovative Companies of 2020, Calm boasts over 100 million downloads to date, with more than 4 million paying members.

OfferUp is changing how people buy and sell locally by making it as easy as taking and sharing a photo from your phone. We are not just about connecting buyers and sellers; we are about creating a simple and safe marketplace that changes people’s lives. OfferUp is a top 10 shopping app on Google Play and a top 20 app in the Lifestyle category on iTunes.

We believe in enabling humans to interact with the things around them in the same way we interact with each other: by speaking naturally to mobile phones, cars, TVs, music speakers, coffee machines, and every other part of the emerging 'connected' world. Our latest product, Hound, leverages our Speech-to-MeaningTM technology to showcase a ground-breaking smartphone experience. Our SoundHound product applies our technology to music, enabling people to discover, explore, and share the music around them, and even find the name of that song stuck in their heads by singing or humming. And through the Houndify platform, we empower developers to be part of the speech-to-meaning revolution.

Founded in 2015, Smartcar is the leading developer platform for mobility businesses. We’ve raised $24 million in Series B financing led by Energize Ventures with follow-on participation from Andreessen Horowitz (a16z) and New Enterprise Associates (NEA). From auto insurance to fleet management, businesses of all kinds use our APIs to verify vehicle mileage, issue digital car keys, manage EV charging, and track fleets. To name a few, the peer-to-peer car sharing marketplace Turo, the auto insurance provider Marshmallow, and the electric utility Green Mountain Energy use our platform to build and scale their mobility services. By making it easy to connect to their customers’ vehicles, Smartcar allows these companies to focus on what’s important: building the future of mobility.

Foursquare is the leading independent location technology company dedicated to building solutions that help businesses make smarter decisions and developers create more engaging experiences. A pioneer of the geo-location space, Foursquare’s location tech stack is being utilized by the world’s largest enterprises and most recognizable brands, helping them tap into location intelligence to create better customer experiences and smarter business outcomes.

Maven connects patients with vetted, highly-qualified healthcare practitioners via video, with appointments starting at less than the price of a co-pay. No more waiting rooms and no more self-diagnosis. Maven allows consumers to book an appointment with a doctor, nurse practitioner, nutritionist, mental health provider, or pregnancy expert from wherever they are, and get a prescription if needed.