Calk

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.

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All-time revenue
$431

Ranked #4458 on TrustMRR

MRR
$40

34 active subscriptions

Founder
metinoverflowMetin

986 followers on 𝕏

Founded
February 2026
TRTürkiye

Revenue is verified withRevenueCatRevenueCat API key.Last updated: Oct 3, 2026, 12:53 PM

Startup insights
Value proposition

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.

Problem solved

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.

B2C~34 users

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

App rating
0.0/5

0 ratings onApp Store

Marketing channels

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

apps.apple.com
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Message from the founder
Metin

"My full time job requires so much time and I don't have time for this now. Most sell came from organic, it never got a low star rating from any user. So I see big potential here if someone invests some time and good marketing on it."

Metin

Founder of Calk

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