Paywall optimization case studies
5 shown
Cal AIHealth & Fitness
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 marketingInstagramCoconoteLearning
“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 videoOnboarding optimizationHalo AIPhoto & Camera
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 optimizationSproutCareer & Jobs
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 videoGlowUpBeauty & Self-improvement
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