# FitterAI vs WODiary

The clearest difference is in-app purchases: FitterAI at none against WODiary's 3. FitterAI also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.4). WODiary's advantage is update cadence (every 2 days vs weekly). On price and device support there is nothing between them.

Both are free to download. WODiary sells 3 in-app purchases, starting at $1.99 per month. FitterAI asks for nothing beyond the download.

FitterAI ships an update weekly, WODiary every 2 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FitterAI | WODiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 29 MB | 32 MB |
| Requires iOS | **15.1** | 26.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SUNGHWAN PARK](https://appshunter.io/developer/1872329563) | [sunwon kang](https://appshunter.io/developer/1892967931) |

## What reviewers say

### FitterAI

[App page](https://appshunter.io/ios/app/fitterai/id6758332449)

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

**In-app purchases:** none


### WODiary

[App page](https://appshunter.io/ios/app/wodiary-ai/id6769996925)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 월정액권 | $1.99 | per month |
| 크레딧 400 | $0.99 | one-time |
| 크레딧 900 | $1.99 | one-time |


## Frequently asked questions

### Is FitterAI free?

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

### Is WODiary free?

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

### Do FitterAI or WODiary have ads?

WODiary shows ads; FitterAI does not.

### Which is updated more often, FitterAI or WODiary?

FitterAI ships an update weekly, and WODiary every 2 days. Most recently, FitterAI was updated on October 25, 2026 and WODiary on October 31, 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.*