# JR四国非公式アプリ vs Taiwan Rail Log

The clearest difference is in-app purchases: JR四国非公式アプリ at none against Taiwan Rail Log's 3. JR四国非公式アプリ also leads on iOS requirement (16.4 vs 18.0). Taiwan Rail Log's advantage is update cadence (every 5 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Taiwan Rail Log sells 3 in-app purchases, starting at $1.99 per month. JR四国非公式アプリ asks for nothing beyond the download.

JR四国非公式アプリ ships an update every 5 months, Taiwan Rail Log every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JR四国非公式アプリ | Taiwan Rail Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 143 MB | 39 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haruki Mukai](https://appshunter.io/developer/1488118220) | [SungHyuk Yoon](https://appshunter.io/developer/1081746441) |

## What reviewers say

### JR四国非公式アプリ

[App page](https://appshunter.io/ios/app/jr/id1492536111)

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

**In-app purchases:** none


### Taiwan Rail Log

[App page](https://appshunter.io/ios/app/taiwan-rail-log/id6816993501)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Taiwan Rail Log Pro Monthly | $1.99 | per month |
| Taiwan Rail Log Pro Yearly | $9.99 | per year |
| Taiwan Rail Log Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is JR四国非公式アプリ free?

JR四国非公式アプリ is free to download, with no in-app purchases.

### Is Taiwan Rail Log free?

Taiwan Rail Log is free to download, with in-app purchases available.

### Do JR四国非公式アプリ or Taiwan Rail Log have ads?

Neither JR四国非公式アプリ nor Taiwan Rail Log shows ads.

### Which is updated more often, JR四国非公式アプリ or Taiwan Rail Log?

JR四国非公式アプリ ships an update every 5 months, and Taiwan Rail Log every 5 days. Most recently, JR四国非公式アプリ was updated on November 3, 2026 and Taiwan Rail Log on October 31, 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.*