# 鉄の瞳 vs Train Net

The clearest difference is in-app purchases: 鉄の瞳 at none against Train Net's 3. 鉄の瞳 also leads on ads (none vs shown) and update cadence (every 5 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Train Net sells 3 in-app purchases, starting at $0.99 per month. 鉄の瞳 asks for nothing beyond the download.

鉄の瞳 ships an update every 5 days, Train Net fortnightly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 鉄の瞳 | Train Net |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 8 MB | 46 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Voila Tech K.K](https://appshunter.io/developer/1769335627) | [Tsuyoshi Matsuoka](https://appshunter.io/developer/1697141668) |

## What reviewers say

### 鉄の瞳

[App page](https://appshunter.io/ios/app/id6753985408)

**Features:** macOS Compatibility

**In-app purchases:** none


### Train Net

[App page](https://appshunter.io/ios/app/train-net-rail-map-and-log/id6791602813)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free (Monthly) | $0.99 | per month |
| Pro (Monthly) | $2.99 | per month |
| Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is 鉄の瞳 free?

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

### Is Train Net free?

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

### Do 鉄の瞳 or Train Net have ads?

Train Net shows ads; 鉄の瞳 does not.

### Which is updated more often, 鉄の瞳 or Train Net?

鉄の瞳 ships an update every 5 days, and Train Net fortnightly. Most recently, 鉄の瞳 was updated on October 30, 2026 and Train Net on October 29, 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.*