# StudyArena vs NAGI Step

The clearest difference is in-app purchases: StudyArena at none against NAGI Step's 4. NAGI Step's advantage is iOS requirement (15.0 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NAGI Step sells 4 in-app purchases, starting at $2.99 per month. StudyArena asks for nothing beyond the download.

StudyArena ships an update monthly, NAGI Step every 3 weeks. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | StudyArena | NAGI Step |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 23 MB | 117 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Yasuhiro Ogawa](https://appshunter.io/developer/1819699862) | [Yuma Isshiki](https://appshunter.io/developer/1845599650) |

## What reviewers say

### StudyArena

[App page](https://appshunter.io/ios/app/studyarena/id6748235227)

**Features:** macOS Compatibility

**In-app purchases:** none


### NAGI Step

[App page](https://appshunter.io/ios/app/nagi-step-plan-your-focus/id6758257122)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NAGI Timer Plus Monthly | $2.99 | per month |
| NAGI Timer Plus Yearly | $19.99 | per year |
| 30 AI Credits | $1.99 | one-time |
| 100 AI Credits | $4.99 | one-time |


## Frequently asked questions

### Is StudyArena free?

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

### Is NAGI Step free?

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

### Do StudyArena or NAGI Step have ads?

Both StudyArena and NAGI Step show ads.

### Which is updated more often, StudyArena or NAGI Step?

StudyArena ships an update monthly, and NAGI Step every 3 weeks. Most recently, StudyArena was updated on October 2, 2026 and NAGI Step on October 17, 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.*