# Train Sorting Puzzle vs Kira

The clearest difference is update cadence: Train Sorting Puzzle at daily against Kira's every 6 days. Train Sorting Puzzle also leads on iOS requirement (12.0 vs 15.0). 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.

Train Sorting Puzzle ships an update daily, Kira every 6 days. The most recent releases landed on March 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Train Sorting Puzzle | Kira |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 6 days |
| Size | 143 MB | 307 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bugbomb](https://appshunter.io/developer/1440148721) | [Cagatay Kemal Tok](https://appshunter.io/developer/1714594470) |

## What reviewers say

### Train Sorting Puzzle

[App page](https://appshunter.io/ios/app/train-sorting-puzzle/id6746746682)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kira

[App page](https://appshunter.io/ios/app/kira-fire-bloom/id6747178850)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Train Sorting Puzzle free?

Train Sorting Puzzle is free to download, with no in-app purchases.

### Is Kira free?

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

### Do Train Sorting Puzzle or Kira have ads?

Both Train Sorting Puzzle and Kira show ads.

### Which is updated more often, Train Sorting Puzzle or Kira?

Train Sorting Puzzle ships an update daily, and Kira every 6 days. Most recently, Train Sorting Puzzle was updated on March 5, 2026 and Kira on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*