# O vs Mogu Exercise

The clearest difference is update cadence: O at every 2 weeks against Mogu Exercise's every 6 months. O also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. O sells 2 in-app purchases, starting at $2.99 per month and Mogu Exercise sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

O ships an update every 2 weeks, Mogu Exercise every 6 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | O | Mogu Exercise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Size | 49 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Morson Japan](https://appshunter.io/developer/496417616) | [Takumi Oda](https://appshunter.io/developer/1866841894) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-trainer/id6443540195)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（１ヶ月） | $2.99 | per month |
| 広告を削除 | $2.99 | one-time |


### Mogu Exercise

[App page](https://appshunter.io/ios/app/mogu-exercise/id6757423910)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Baked Sweet Potato | $0.49 | one-time |
| Sweet Potato Sweets | $1.99 | one-time |
| Sweet Potato Antique | $2.99 | one-time |
| Premium Sweet Potato Set | $5.99 | one-time |


## Frequently asked questions

### Is O free?

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

### Is Mogu Exercise free?

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

### Do O or Mogu Exercise have ads?

Neither O nor Mogu Exercise shows ads.

### Which is updated more often, O or Mogu Exercise?

O ships an update every 2 weeks, and Mogu Exercise every 6 months. Most recently, O was updated on October 14, 2026 and Mogu Exercise on October 16, 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.*