Comparison

AI Calorie Tracker vs Sour

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AI Calorie Tracker

Features
Read full description

Track calories instantly with AI-powered photo recognition. Simply snap a picture of your meal and get accurate calorie counts, macro breakdowns, and nutrition data in seconds. The ultimate calai and food scanner for healthy meal planning. Key features: • Smart food scanning technology with calorie tracker capabilities • Comprehensive calorie and macro counter for precise nutrition tracking • Hydration tracker to monitor daily water intake • AI calorie coach providing personalized healthy food recommendations • Meal planning tools with calorie and macro insights • Body fat calculator for complete fitness tracking • Food scan database with thousands of items • Counter widget for quick access to your daily stats Perfect for fitness enthusiasts using a calories tracker, dieters wanting an ai food scanner, and anyone seeking a reliable calorie counter app. Whether you need a macro counter, hydration tracker, or comprehensive food tracking solution, our AI-powered platform makes healthy eating effortless. Transform your nutrition journey with intelligent food recognition technology. Some features, as Editor and Chatting, requires a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sour

Features
Read full description

Scan any label. See the teaspoons hiding in it. Sour is a gentle companion for cutting added sugar — no judgment, no deprivation, no shame. Point your camera at a barcode and see what's really in there, in teaspoons, in about two seconds. Then start your first week. Download free. WHAT'S INSIDE - Barcode scanner that surfaces hidden added sugar - Daily tracking, designed to take seconds - no weighing, no grams - AI meal logger - describe what you ate, get the math - Streak system with science-backed milestones - Knowledge hub: why sugar affects sleep, mood, focus, skin - Calorie + macro guide to anchor a healthy baseline - Recipes that earn their sweetness honestly - Lemo, your steady companion through the ups and dips YOUR FIRST WEEK The first 24 hours are the hardest. Sour walks you through them. After three days, the cravings start to quiet. After two weeks, food you used to love starts tasting different. Sour keeps you company through all of it. SUBSCRIPTION Sour Premium unlocks the full experience: $8.99/month or $44.99/year (3 days free). Manage or cancel anytime in iOS Settings. PRIVACY We collect only what we need to run the app. Your data is yours. Read more at getsour.app/privacy. TERMS Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ DISCLAIMER Sour is for general wellness, not medical advice. Talk to a healthcare provider before changing your diet — especially with diabetes, an eating disorder, medication, or pregnancy.

Screenshots

AI Calorie Tracker4 screens
Sour4 screens

Verdict

The call

The clearest difference is update cadence: Sour at every 3 weeks against AI Calorie Tracker's every 12 months. AI Calorie Tracker's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AI Calorie Tracker sells 2 in-app purchases, starting at $4.99 per 7 days and Sour sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AI Calorie Tracker ships an update every 12 months, Sour every 3 weeks. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 6 level
AI Calorie Tracker versus Sour: the parameters behind the verdict, then further details
ParameterAI Calorie TrackerSour
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 12 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size64 MB52 MB
Age rating4+4+
DeveloperTetiana OliinykBartolomeo Steccanella

In-app purchases

2 purchases

AI Calorie Tracker

Subscriptions2
  • FoodScan AI Plus$4.997 Days
  • FoodScan AI Plus$19.991 Year
2 purchases

Sour

Subscriptions2
  • Sour Premium Monthly3 Days trial$8.991 Month
  • Sour Premium Yearly$44.991 Year

Questions

Is AI Calorie Tracker free?
AI Calorie Tracker is free to download, with in-app purchases available.
Is Sour free?
Sour is free to download, with in-app purchases available.
Do AI Calorie Tracker or Sour have ads?
Neither AI Calorie Tracker nor Sour shows ads.
Which is updated more often, AI Calorie Tracker or Sour?
AI Calorie Tracker ships an update every 12 months, and Sour every 3 weeks. Most recently, AI Calorie Tracker was updated on October 24, 2026 and Sour on October 5, 2026.

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