# Calorie AI Tracker vs DietOn

The clearest difference is in-app purchases: DietOn at none against Calorie AI Tracker's 3. DietOn also leads on update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calorie AI Tracker sells 3 in-app purchases, starting at $3.99 per 7 days. DietOn asks for nothing beyond the download.

Calorie AI Tracker ships an update every 2 weeks, DietOn every 3 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calorie AI Tracker | DietOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/calorie-ai-tracker-nutroic/id6560115045/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 39 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Appthos Studio OÜ](https://appshunter.io/developer/6779960304) | [erhan cnar](https://appshunter.io/developer/1896648644) |

## What reviewers say

### Calorie AI Tracker

[App page](https://appshunter.io/ios/app/calorie-ai-tracker-nutroic/id6560115045)

This app helps you achieve your health goals by tracking your calorie intake, weight loss progress, and intermittent fasting routines. It offers personalized diet plans, detailed nutritional analysis, and AI-powered meal logging through food photos.

**Highlights:** AI-powered meal tracking via photo, Smart calorie and macro analysis, Personalized diet plans, Weight loss progress tracking, Intermittent fasting support, Water intake tracking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $7.99 | per month |
| 6 Months | $19.99 | per 6 months |


### DietOn

[App page](https://appshunter.io/ios/app/dieton/id6769749477)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calorie AI Tracker free?

Calorie AI Tracker is free to download, with in-app purchases available.

### Is DietOn free?

DietOn is free to download, with no in-app purchases.

### Do Calorie AI Tracker or DietOn have ads?

Neither Calorie AI Tracker nor DietOn shows ads.

### Which is updated more often, Calorie AI Tracker or DietOn?

Calorie AI Tracker ships an update every 2 weeks, and DietOn every 3 days. Most recently, Calorie AI Tracker was updated on October 4, 2026 and DietOn on October 7, 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.*