# Zerocal vs Routine AI

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.

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.

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.

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

## The numbers

| Metric | Zerocal | Routine AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/zerocal-ai-calorie-tracker/id6748863284/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/routine-aicalorie-tracking/id6755089705/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 38 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [BYTEPOINT LIMITED](https://appshunter.io/developer/1827716360) | [CUMALI GUZEL](https://appshunter.io/developer/1834092452) |

## What reviewers say

### Zerocal

[App page](https://appshunter.io/ios/app/zerocal-ai-calorie-tracker/id6748863284)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly 20 Off | $7.99 | per month |
| Premium Monthly | $9.99 | per month |
| Premium Annually 20 Off | $49.99 | per year |
| Premium Annually | $59.99 | per year |


### Routine AI

[App page](https://appshunter.io/ios/app/routine-aicalorie-tracking/id6755089705)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $3.99 | per month |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*