# O vs デスステップ

The clearest difference is in-app purchases: デスステップ at none against O's 2. デスステップ also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. O sells 2 in-app purchases, starting at $2.99 per month. デスステップ asks for nothing beyond the download.

O ships an update every 2 weeks, デスステップ every 2 days. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | O | デスステップ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 49 MB | 33 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Morson Japan](https://appshunter.io/developer/496417616) | [Yuki Sako](https://appshunter.io/developer/1167814099) |

## 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 |


### デスステップ

[App page](https://appshunter.io/ios/app/id6794616935)

A monthly survival step game where participants aim to reach 10,000 steps daily to avoid elimination. Survive until the end of the month to achieve a record. Integrates with HealthKit for automatic step counting and features real-time updates on survivor numbers and rankings.

**Highlights:** Monthly survival step challenge, Daily 10,000 step goal, HealthKit integration, Real-time step count and survivor tracking, Ranking of survivors and eliminated players, Record keeping for eliminated players

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

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is デスステップ free?

デスステップ is free to download, with no in-app purchases.

### Do O or デスステップ have ads?

Neither O nor デスステップ shows ads.

### Which is updated more often, O or デスステップ?

O ships an update every 2 weeks, and デスステップ every 2 days. Most recently, O was updated on October 14, 2026 and デスステップ on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*