Calk
Calk is an AI calorie counter for iPhone that turns meal photos into estimated calories and macros. Users can track meals, water, personalized calorie goals, progress and intermittent fasting in one app. Available in 18 languages, with in-app subscriptions managed through RevenueCat.
Calk
Calk is an AI calorie counter for iPhone that turns meal photos into estimated calories and macros. Users can track meals, water, personalized calorie goals, progress and intermittent fasting in one app. Available in 18 languages, with in-app subscriptions managed through RevenueCat.
Ranked #4615 on TrustMRR
35 active subscriptions
988 followers on 𝕏
Revenue is verified with
RevenueCat API key.Last updated: Oct 16, 2026, 06:40 AM
Make nutrition tracking easier with a food photo. Calk combines AI meal analysis, calorie and macro tracking, water logging, personalized goals and intermittent fasting in one simple iPhone app.
Manual food logging is time-consuming, and tracking meals, hydration and fasting across separate apps adds friction. Calk reduces the effort of estimating meal nutrition and helps users keep their daily tracking in one place.
Audience
iPhone users tracking calories, macros, weight goals and intermittent fasting.
Pricing
Free download; 7 free scans for eligible new users. Auto-renewing subscriptions: US $4.99/month or $19.99/year. Regional prices vary.
Team size
1 person
Funding
Bootstrapped
0 ratings onApp Store
Marketing channels
Tech stack
Frontend
Backend
Additional info
Live iPhone app in 18 languages. React Native/Expo/TypeScript, RevenueCat subscriptions and Mixpanel analytics. Includes meal history, favorites, water tracking and fasting. Growth opportunities: App Store optimization, localized marketing and onboarding conversion.
Screenshot
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