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Photo-based AI calorie tracker. Ran 123 paywall experiments across 46 trigger points before being acquired by MyFitnessPal for ~$50M ARR.
Cal AI is a photo-based calorie tracker that launched in May 2024 and was acquired by MyFitnessPal in March 2026 at an estimated ~$50M ARR. Its real moat is not AI accuracy (founders admit ~80%); it is treating the paywall as a product surface, shipping 123 experiments across 46 trigger points in the first 10 months.
| Plan | Price | Note |
|---|---|---|
| Yearly Unlimited | $29.99/ year | Most common offer |
| Yearly (A/B variant) | $19.99/ year | Special Gift variant |
| Monthly | $9.99/ month | |
| Monthly (A/B variant) | $5.99/ month | |
| Weekly | $2.99/ week | A/B variant |
| Family Plan | $59.99/ year | Up to 5 members |
| Streak Restore | $0.99one-time |
Why hidden pricing works here
Why a 3-day trial beats 7
Why 46 trigger points is the real moat