# RTTGアプリ vs JP Zone

The clearest difference is ads: JP Zone at none against RTTGアプリ's shown. RTTGアプリ's advantage is update cadence (every 3 months vs every 63 months) and iOS requirement (13.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RTTGアプリ ships an update every 3 months, JP Zone every 63 months. The most recent releases landed on October 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RTTGアプリ | JP Zone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 63 months |
| Size | 119 MB | 4 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [リゾートトラスト株式会社](https://appshunter.io/developer/1060980540) | [INHOU LTD.](https://appshunter.io/developer/535828230) |

## What reviewers say

### RTTGアプリ

[App page](https://appshunter.io/ios/app/rttg/id1450235403)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### JP Zone

[App page](https://appshunter.io/ios/app/jp-zone/id1548198683)

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

**In-app purchases:** none


## Frequently asked questions

### Is RTTGアプリ free?

RTTGアプリ is free to download, with no in-app purchases.

### Is JP Zone free?

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

### Do RTTGアプリ or JP Zone have ads?

RTTGアプリ shows ads; JP Zone does not.

### Which is updated more often, RTTGアプリ or JP Zone?

RTTGアプリ ships an update every 3 months, and JP Zone every 63 months. Most recently, RTTGアプリ was updated on October 1, 2026 and JP Zone on October 25, 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.*