# FP Arena vs Calorie Diary AI

The clearest difference is in-app purchases: FP Arena at none against Calorie Diary AI's 2. FP Arena also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Calorie Diary AI's advantage is update cadence (every 2 days vs every 21 months). On price and device support there is nothing between them.

Both are free to download. Calorie Diary AI sells 2 in-app purchases, starting at $5.99 per month. FP Arena asks for nothing beyond the download.

FP Arena ships an update every 21 months, Calorie Diary AI every 2 days. The most recent releases landed on October 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | FP Arena | Calorie Diary AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 2 days** |
| Size | 46 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mesut Ozturk](https://appshunter.io/developer/1662391542) | [Cagın Emek DAVARCI](https://appshunter.io/developer/6816335147) |

## What reviewers say

### FP Arena

[App page](https://appshunter.io/ios/app/fp-arena/id1662391540)

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

**In-app purchases:** none


### Calorie Diary AI

[App page](https://appshunter.io/ios/app/calorie-diary-ai/id6816335981)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Defter Plus Monthly | $5.99 | per month |
| Defter Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is FP Arena free?

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

### Is Calorie Diary AI free?

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

### Do FP Arena or Calorie Diary AI have ads?

Calorie Diary AI shows ads; FP Arena does not.

### Which is updated more often, FP Arena or Calorie Diary AI?

FP Arena ships an update every 21 months, and Calorie Diary AI every 2 days. Most recently, FP Arena was updated on October 2, 2026 and Calorie Diary AI on November 6, 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.*