subscription-app
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Quinn
Quinn is a Santa Monica-based audio erotica platform - often described as a 'Spotify for erotica' - that turns intimate, narrative-driven stories into 15-to-20-minute immersive audio experiences. Founded by Caroline Spiegel and built primarily for women and underserved audiences, Quinn pairs a creator-driven content marketplace with an ever-growing roster of professional voice actors and Hollywood celebrities. With roughly 300,000 users, over 900,000 TikTok followers, and around $5M in annual recurring revenue, it has reframed adult content around imagination, storytelling, and discreet listening rather than the visual mainstream.
Circles
Circles is a New York-based digital mental health company that connects people facing similar life challenges - grief, divorce, infertility, caregiving, narcissistic relationships - into small, professionally facilitated peer support groups. Founded in 2020 by Irad Eichler and Dan Landa, its mobile and web platform pairs trained therapists with groups of strangers who share a struggle, betting that being heard by people who actually understand is its own form of medicine. The company has raised $24.5M and grown to more than 160,000 members.
Fitbod
Fitbod is a San Francisco fitness company whose app builds personalized strength-training workouts using machine learning. It analyzes your training history, available equipment, and muscle recovery to generate a fresh, adaptive plan every time you walk into the gym - effectively a data-driven personal trainer in your pocket. Founded in 2015 by Allen Chen and Jesse Venticinque, Fitbod has grown to more than 5 million downloads, over 40 million logged workouts, and surpassed $20M in annual recurring revenue while remaining profitable.
Allen Chen
Allen Chen is the co-founder and CEO of Fitbod, the San Francisco strength-training app that uses machine learning to design a fresh, personalized workout every time you open it. A UCLA computer science grad and former Wall Street high-frequency trading strategist, Chen swapped optimizing stock portfolios for optimizing sets and reps, building an algorithm that picks exercises the way he once picked trades. Since launching in 2015 with co-founder Jesse Venticinque, Fitbod has grown to more than 300,000 paid subscribers while staying lean and profitable.
Pray.com
Pray.com is a faith-based audio and social app that delivers daily guided prayers, a dramatized audio Bible, Christian meditations, and celebrity-narrated Bedtime Bible Stories. Founded in 2016 and based in the Los Angeles area, it has grown into one of the most-downloaded prayer apps in the world, blending Hollywood production with congregation tools and a premium subscription model.
Rise Science
Rise Science is a Chicago-based health technology company behind RISE, a sleep and energy tracking app built on two ideas sleep researchers agree on: sleep debt and circadian rhythm. Rather than scoring your sleep with a vague number, RISE predicts your daily energy peaks and dips and tells you the best time to do everything - from your last coffee to winding down for bed. Founded in 2015 by Northwestern engineers Jeff Kahn and Leon Sasson, the company has raised $15.5M and grown the app past 5 million users.
Imprint
Imprint is a New York based education company behind a visual microlearning app that turns dense subjects - psychology, philosophy, history, finance, science - into illustrated, bite-sized lessons you can finish in under 10 minutes a day. Built by mobile entertainment veteran Daniel Terry and developed under the legal entity Polywise, Inc., the app pairs original animation with daily quizzes and visual guides to bestselling nonfiction books. It became one of the highest grossing and most decorated learning apps, winning Google Play's Best App of 2023 and earning Apple Editors' Choice recognition.