# Idle Japan vs Train Idle Master

The clearest difference is in-app purchases: Train Idle Master at none against Idle Japan's 6. Train Idle Master also leads on update cadence (every 3 weeks vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Idle Japan sells 6 one-off in-app purchases. Train Idle Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.5 for Idle Japan against 3.5 for Train Idle Master. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Idle Japan ships an update every 3 months, Train Idle Master every 3 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Idle Japan | Train Idle Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/idle-japan/id1580294174/reviews) | [3.5 (4 ratings)](https://appshunter.io/ios/app/train-idle-master/id6474864147/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 146 MB | 169 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [Sergey Brashchenko](https://appshunter.io/developer/1693566310) |

## What reviewers say

### Idle Japan

[App page](https://appshunter.io/ios/app/idle-japan/id1580294174)

Build and upgrade islands in a Japanese-themed idle empire. Generate resources from various areas like farms and dojos to increase output and unlock lore. Enjoy relaxing Wafu-style visuals and music.

**Highlights:** Island building and upgrading, Resource generation from various areas, Miniature Japanese themed areas, Villager animations and lore, Wishing Bell for bonus profit, VIP Campaign bonuses

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Few Gems | $0.99 | one-time |
| A Bag of Gems | $4.99 | one-time |
| A Basket of Gems | $9.99 | one-time |
| A Box of Gems | $19.99 | one-time |
| A Crate of Gems | $49.99 | one-time |
| A Mountain of Gems | $99.99 | one-time |


### Train Idle Master

[App page](https://appshunter.io/ios/app/train-idle-master/id6474864147)

Manage your own train service, fulfilling customer orders and earning money. Upgrade your trains to serve more passengers and expand your business. Experience a simple yet engaging idle simulation game.

**Highlights:** Serve customers, Earn money, Upgrade trains, Idle gameplay, Train management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Idle Japan free?

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

### Is Train Idle Master free?

Train Idle Master is free to download, with no in-app purchases.

### Which has better reviews, Idle Japan or Train Idle Master?

Idle Japan and Train Idle Master are both rated 3.5 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Idle Japan or Train Idle Master have ads?

Both Idle Japan and Train Idle Master show ads.

### Which is updated more often, Idle Japan or Train Idle Master?

Idle Japan ships an update every 3 months, and Train Idle Master every 3 weeks. Most recently, Idle Japan was updated on October 17, 2026 and Train Idle Master on October 24, 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.*