# かんかんかん vs MilkTimer

The clearest difference is update cadence: MilkTimer at every 6 days against かんかんかん's every 28 months. かんかんかん's advantage is iOS requirement (12.0 vs 15.6). On price, ads, 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.

かんかんかん ships an update every 28 months, MilkTimer every 6 days. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | かんかんかん | MilkTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id902178859/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 2 MB | 3 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HB SOFT STUDIO, Inc.](https://appshunter.io/developer/547515193) | [Akihiro Hashimoto](https://appshunter.io/developer/1857508692) |

## What reviewers say

### かんかんかん

[App page](https://appshunter.io/ios/app/id902178859)

This app offers a simple and relaxing experience for train enthusiasts. Watch different types of trains pass by at a railway crossing, with changing scenery throughout the day. Enjoy the sounds of the trains by disabling silent mode.

**Highlights:** Watch trains pass, Three train types (commuter, Shinkansen, steam), Changing scenery, Sound effects, Simple tap interaction

**Features:** macOS Compatibility

**In-app purchases:** none


### MilkTimer

[App page](https://appshunter.io/ios/app/milktimer/id6756776608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is かんかんかん free?

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

### Is MilkTimer free?

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

### Do かんかんかん or MilkTimer have ads?

Neither かんかんかん nor MilkTimer shows ads.

### Which is updated more often, かんかんかん or MilkTimer?

かんかんかん ships an update every 28 months, and MilkTimer every 6 days. Most recently, かんかんかん was updated on September 29, 2026 and MilkTimer on October 1, 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.*