# Last Train Alert vs Simple Clock JP

The clearest difference is in-app purchases: Simple Clock JP at none against Last Train Alert's 2. Simple Clock JP also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Last Train Alert sells 2 in-app purchases, starting at $0.99 per month. Simple Clock JP asks for nothing beyond the download.

Last Train Alert ships an update every 2 weeks, Simple Clock JP every 4 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Last Train Alert | Simple Clock JP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 46 MB | 0 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [山藤総合企画](https://appshunter.io/developer/1751835139) | [Kantaro Kobayashi](https://appshunter.io/developer/6797092531) |

## What reviewers say

### Last Train Alert

[App page](https://appshunter.io/ios/app/last-train-alert/id6739465879)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $5.99 | per year |


### Simple Clock JP

[App page](https://appshunter.io/ios/app/simple-clock-jp/id6805928074)

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

**In-app purchases:** none


## Frequently asked questions

### Is Last Train Alert free?

Last Train Alert is free to download, with in-app purchases available.

### Is Simple Clock JP free?

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

### Do Last Train Alert or Simple Clock JP have ads?

Last Train Alert shows ads; Simple Clock JP does not.

### Which is updated more often, Last Train Alert or Simple Clock JP?

Last Train Alert ships an update every 2 weeks, and Simple Clock JP every 4 weeks. Most recently, Last Train Alert was updated on October 6, 2026 and Simple Clock JP on October 4, 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.*