# Timetracks4D vs Rail

The clearest difference is in-app purchases: Rail at none against Timetracks4D's 1. Rail also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Timetracks4D sells 1 one-off in-app purchase. Rail asks for nothing beyond the download.

Timetracks4D ships an update every 3 weeks, Rail monthly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Timetracks4D | Rail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/timetracks4d/id348543978/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 23.2% of reviews | **25.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | **Free** |
| Size | 5 MB | 60 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [SEKISUI KINZOKU CO., LTD](https://appshunter.io/developer/1343709801) |

## What reviewers say

### Timetracks4D

[App page](https://appshunter.io/ios/app/timetracks4d/id348543978)

Create unique moving photographs with a slit-scan camera effect. Adjust scan movement, time intervals, resolution, and exposure for custom results. Automatically save your creations periodically.

**Highlights:** Slit-scan camera effect, Adjustable scan movement (One-way, Palindrome, Still), Customizable scan time interval, Image resolution settings, Scan line width adjustment, Exposure lock, Automatic image saving

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $3.99 | one-time |


### Rail

[App page](https://appshunter.io/ios/app/rail-navi/id1459494775)

This app connects railway enthusiasts globally to share their passion for trains, models, and travel. Users can upload photos and details of their model collections, showcase custom alterations, display dioramas, and share railway photography. It aims to foster a community for hobbyists and newcomers alike.

**Highlights:** Upload and organize model train collections, Log model alterations and customizations, Display and discover diorama creations, Share and browse railway photography, Connect with fellow railway hobbyists, Barcode scanning for KATO products

**In-app purchases:** none


## Frequently asked questions

### Is Timetracks4D free?

Timetracks4D is free to download, with in-app purchases available.

### Is Rail free?

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

### Do Timetracks4D or Rail have ads?

Timetracks4D shows ads; Rail does not.

### Which is updated more often, Timetracks4D or Rail?

Timetracks4D ships an update every 3 weeks, and Rail monthly. Most recently, Timetracks4D was updated on October 14, 2026 and Rail on October 14, 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.*