Paywall optimization case studies
10 shown
10 case studies tagged “Paywall optimization”. Median MRR is $175k, topped by Cal AI at $4.2M.
- Health & FitnessCal AI
Built in High School at 17 — How Cal AI’s “Just Snap Your Food” Calorie Tracker Hit ~$50M ARR in 18 Months and Sold to MyFitnessPal
A photo calorie tracker built by Zach Yadegari and a teenage founding team: snap your meal and AI estimates the calories. Bootstrapped to ~$50M ARR and 15M downloads in 18 months, it was acquired by MyFitnessPal in 2025.
18 monthsMonthly (est.)$4.2M/moTikTokShort-form videoInfluencer marketingInstagram - LearningCoconote
“Never Take Notes Again” — How Coconote Hit $6.7M ARR in 18 Months With Almost No Ad Spend
Two ex-Loom builders made an AI note app for students. With zero funding and almost no ads, it reached ~$6.7M ARR at ~50% margin in 18 months and was acquired by Quizlet.
18 monthsMonthly (est.)$558k/moYouTubeSEOShort-form videoInfluencer marketing - Photo & CameraHalo AI
After 18 Months of Failure He Borrowed $100K and Bet It All — How the “Snap a Photo, Type a Prompt” AI Editor Halo AI Hit $300K/mo in 45 Days
An AI photo editor by Dillion Verma (previously of Magic UI): upload a photo, type a prompt, and it edits the image. After 18 months of failed products he took a $100K personal loan and went all-in, then used one UGC video format and 85 creators to reach 1.2B views in 120 days — hitting $300K/mo with no VC in 45 days.
2 monthsMonthly (est.)$300k/moTikTokShort-form videoInfluencer marketingPaywall optimization - Career & JobsSprout
Sprout, the “Tinder for jobs” built by a non-engineer in college — betting on distribution over building to reach $250K MRR in 8 months
A job-search app built by Nicole Cheung while at Claremont McKenna: swipe to apply, AI tailors a resume and cover letter per role, and an agent auto-submits on the employer’s site. With no ads and no VC it hit $250K MRR in 8 months — reusing the same creator-army playbook behind her earlier beauty app Glam Up (1M users in 6 months).
8 monthsMonthly (est.)$250k/moTikTokInstagramYouTubeShort-form video - Health & FitnessQUITTR
Built by Three Teens in ~10 Days — How QUITTR, a “Quit Porn” Digital-Wellness App, Hit $250K MRR in 4 Months With Zero Outside Funding
A digital-wellness app that helps people quit pornography, built by three teens led by Alex Slater (19). Shipped in ~10 days with SwiftUI + Firebase + Superwall, it went from $37K in month one to $250K MRR in four months — bootstrapped, and grown via Reddit, TikTok, and meme ads.
4 monthsMonthly (est.)$250k/moInfluencer marketingTikTokMeme-drivenX (Twitter) - Beauty & Self-improvementGlowUp
From ~10 Failed Apps to GlowUp — How a 24-Year-Old Solo Canadian Builder Used $0 in TikTok Ad Spend to Reach $800K in a Year and $1.2M ARR
GlowUp is a makeup app: upload a look you love, AI applies it to your own face and suggests the products to recreate it. After ~10 flops, Louis-David Paul-Hus launched it with $0 ad spend via TikTok and reached $800K in a year and $1.2M ARR.
12 monthsMonthly (est.)$100k/moTikTokShort-form videoInfluencer marketingInstagram - Health & FitnessPPuff Count
Two Exits Without Writing a Line of Code — How Non-Engineer Steven Cravotta Grew Quit-Vaping App “Puff Count” to $40K MRR and Sold It
Steven Cravotta doesn’t write code (and doesn’t vibe-code with AI either) — he fully outsources development and bets on the idea that ‘95% of an app’s success is marketing.’ He grew quit-vaping app Puff Count to $40K+ MRR with hundreds of organic TikToks and sold it to a large app studio in 2024 — his second exit after Wordle!.
Monthly (est.)$40k/moTikTokShort-form videoPaywall optimization - OtherSnag
45 Apps in a Year, Then Snag — How a 20-Year-Old NYU Student Turned a “Free Stuff Near You” App into $30K/Month in Under 4 Months
A breakout from Benjamin Chen (Benji), an NYU student who shipped 45+ apps in a year. Snag aggregates free local items — furniture, electronics, everyday goods — into one app. Built in hours with Claude Code and pushed through a standardized creator-UGC-to-Meta-ads pipeline, it hit $30K/month, 9,000 paying conversions and 100K users in under four months.
4 monthsMonthly (est.)$30k/moInfluencer marketingTikTokInstagramShort-form video - OtherMomego
Born at a Rainy Bus Stop — How a Self-Taught Scottish Designer Grew Momego to 5.2M Installs and $30K/Month on Localized ASO Alone
A public-transit tracker built solo by ex-graphic-designer John McEvoy: real-time bus/train locations and arrival times. Without paid virality, he used per-city ‘localized ASO’ (keyword localization) to spread across 160 cities — reaching 5.2M installs, 400K DAU and $30K MRR, all as a one-person shop.
Monthly (est.)$30k/moSEOOnboarding optimizationPaywall optimization - LearningFeynman AI
The Vietnamese Solo Dev Who Quit His Job to Build Feynman AI — Growing a Study App to 370K Users and ~$19K/mo with No Ad Budget, ‘Volume over Virality’ TikTok, and One Rename
An AI study app by Vietnamese solo dev Alex Nguyen (a former $3,200/mo engineer). It turns lecture recordings, PDFs and videos into notes, mind maps, flashcards and quizzes. With zero ad budget — just mass-produced TikTok across many accounts and App Store SEO — it reached ~370K users and ~$19K/mo.
7 monthsMonthly (est.)$19k/moTikTokShort-form videoSEOTrend-jacking