Comparison

Zerocal vs Routine AI

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

Head to head
About

Zerocal

This app uses AI to analyze your meals from a photo, providing instant calorie and macro breakdowns. It offers a conversational AI nutrition coach for effortless logging and visual progress tracking with smart insights like hidden sugar detection.

Highlights
  • AI meal photo analysis
  • Instant calorie and macro breakdowns
  • Conversational AI nutrition coach
  • Visual progress tracking with charts
  • Hidden sugar detection
  • Ingredient-level analysis
Features
Read full description

Calorie tracking apps are broken. They turn your lunch into a data entry project. You search "chicken breast" and get 500 conflicting entries created by random users. You scan a barcode and the macros are completely wrong. Zerocal fixes this. It’s the first AI calorie tracker you can actually talk to. No endless searching, no database clutter, and zero guesswork. Just text your AI Coach like a friend, snap a picture, or scan barcodes to get verified, bulletproof nutrition data instantly. --- TALK TO YOUR CALORIE TRACKER (NOT AN INPUT FORM) Skip the tedious search bars. Logging meals on Zerocal is literally as easy as texting your group chat. Just type: "I had two eggs, a slice of sourdough with butter, and a flat white." Your AI Coach asks smart, friendly follow-ups (portion sizes, toppings, oil used) and logs the exact database macros automatically. It’s like having a certified nutritionist on speed dial 24/7. VERIFIED FOOD DATA. NO B.S. Most calorie apps let anyone upload entries, leaving their databases full of fake or incorrect macro counts. We don't play that. Zerocal syncs directly with gold-standard sources (USDA FoodData Central and Open Food Facts) and cross-references over 2.4 million barcodes. If it's on Zerocal, the numbers are verified and accurate. SNAP A PHOTO, LOG IN 2 SECONDS Eating out? Meal prepping? Just point your camera at your plate. Zerocal’s advanced computer vision analyzes your meal—from Chipotle bowls to homemade steak & potatoes—and calculates calories, protein, carbs, and fat instantly. UNMASK THE "HEALTHY" FOODS Sugar hides everywhere. That protein bar, your favorite green juice, or that granola bowl might seem healthy, but they’re often packed with sugar. Zerocal breaks down meals at the ingredient level to flag hidden sugars and empty calories before they stall your progress. --- EVERYTHING YOU NEED TO BUILD CONSISTENCY: • CONVERSATIONAL AI COACH: Log meals, get custom recipes, and ask nutrition questions by chatting. • PHOTO LOGGING: Snap a picture to analyze macros instantly. • VERIFIED BARCODE SCANNER: Over 2.4M+ products with certified data. • MACRO TARGETS: Customize your calories, protein, carbs, and fat goals. • WEIGHT TRENDS: Smooth out daily fluctuations and see your real progress with smart charts. • HYDRATION TRACKING: Log water and build consistency. • WEEKLY REPORTS: Get personalized insights into your eating patterns and wins. --- Whether you want to lose weight, build muscle, or simply understand what you're putting into your body, Zerocal makes nutrition tracking effortless and accurate. Download Zerocal today and take control of your health. For informational purposes only. Consult a healthcare professional before making dietary decisions based on app data. --- Privacy Policy: https://zerocal.bytepoint.co/en/privacy Terms of Use (EULA): https://zerocal.bytepoint.co/en/terms

About

Routine AI

Effortlessly track your daily calorie and macronutrient intake. Log meals by simply taking a photo, or by typing them in for quick estimates. Connect with friends to share progress and offer encouragement.

Highlights
  • AI-powered food identification
  • Calorie and macro estimation
  • Meal logging via photo or text
  • Dietary feedback
  • Friend sharing and progress tracking
  • Social nudges
Features
Read full description

Routin helps you track calories and reach your goals. Log meals with AI by taking a photo to identify foods and estimate calories and macros (protein, carbs, fat), plus get feedback on how well the meal fits your diet. You can also type what you ate to get quick estimates without a photo. Share meals and progress, add friends, see what they eat during the day, and send a Poke to nudge them to stay consistent. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cumaliguzel88.github.io/rutinwebs/privacy.html

Screenshots

Zerocal4 screens
Routine AI4 screens

Verdict

The call

The clearest difference is rating: Routine AI at 5.0 against Zerocal's 4.0. Routine AI also leads on update cadence (every 5 days vs monthly). Zerocal's advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model 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. Zerocal sells 4 in-app purchases, starting at $7.99 per month and Routine AI sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Routine AI holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Zerocal ships an update monthly, Routine AI every 5 days. The most recent releases landed on September 6, 2026 and July 1, 2026 respectively.

Scorecard3 real differences · 7 level
Zerocal versus Routine AI: the parameters behind the verdict, then further details
ParameterZerocalRoutine AI
PriceFreeFree
Rating4.0 (4 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size60 MB38 MB
Age rating17+4+
DeveloperBYTEPOINT LIMITEDCUMALI GUZEL

Customer experience

Zerocal

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Routine AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Zerocal

Subscriptions4
  • Premium Monthly 20 Off3 Days trial$7.991 Month
  • Premium Monthly7 Days trial$9.991 Month
  • Premium Annually 20 Off3 Days trial$49.991 Year
Show 1 more
  • Premium Annually7 Days trial$59.991 Year
1 purchases

Routine AI

Subscriptions1
  • Pro Plan$3.991 Month

Questions

Is Zerocal free?
Zerocal is free to download, with in-app purchases available.
Is Routine AI free?
Routine AI is free to download, with in-app purchases available.
Which has better reviews, Zerocal or Routine AI?
Routine AI is rated higher. Zerocal averages 4.0 out of 5 from 4 ratings, while Routine AI averages 5.0 from 1 ratings.
Do Zerocal or Routine AI have ads?
Neither Zerocal nor Routine AI shows ads.
Which is updated more often, Zerocal or Routine AI?
Zerocal ships an update monthly, and Routine AI every 5 days. Most recently, Zerocal was updated on September 6, 2026 and Routine AI on July 1, 2026.

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