# Calorie Tracker vs Cal Diary

The clearest difference is update cadence: Cal Diary at every 3 days against Calorie Tracker's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calorie Tracker sells 2 in-app purchases, starting at $4.99 per 7 days and Cal Diary sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Calorie Tracker ships an update every 2 months, Cal Diary every 3 days. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Calorie Tracker | Cal Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 15 MB | 15 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Feynman EinsteinAI Note Taker OU](https://appshunter.io/developer/1782064427) | [Andrii Makarevych](https://appshunter.io/developer/1820262795) |

## What reviewers say

### Calorie Tracker

[App page](https://appshunter.io/ios/app/calorie-tracker-macrochat/id6761012600)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


### Cal Diary

[App page](https://appshunter.io/ios/app/cal-diary-ai-calorie-tracker/id6762306169)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $11.99 | per month |
| Annual Premium | $49.99 | per year |


## Frequently asked questions

### Is Calorie Tracker free?

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

### Is Cal Diary free?

Cal Diary is free to download, with in-app purchases available.

### Do Calorie Tracker or Cal Diary have ads?

Neither Calorie Tracker nor Cal Diary shows ads.

### Which is updated more often, Calorie Tracker or Cal Diary?

Calorie Tracker ships an update every 2 months, and Cal Diary every 3 days. Most recently, Calorie Tracker was updated on October 26, 2026 and Cal Diary on October 14, 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.*