# Fast Clock vs Rail Roster

The clearest difference is rating: Rail Roster at 5.0 against Fast Clock's 3.8. Fast Clock's advantage is in-app purchases (none vs 5) and update cadence (every 2 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. Rail Roster sells 5 in-app purchases, starting at $4.99 per year. Fast Clock asks for nothing beyond the download.

Rail Roster holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Fast Clock has 5 ratings behind it against 1, so its average is the more settled of the two.

Fast Clock ships an update every 2 days, Rail Roster weekly. Both last shipped on October 7, 2026.

## The numbers

| Metric | Fast Clock | Rail Roster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/fast-clock/id6448879724/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rail-roster-tracker/id6758860130/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 128 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | +4 |
| Developer | [Kevin Snow](https://appshunter.io/developer/305581830) | [Robotic Snail Software LLC](https://appshunter.io/developer/1232381880) |

## What reviewers say

### Fast Clock

[App page](https://appshunter.io/ios/app/fast-clock/id6448879724)

This application simulates a fast clock for model railroads. It allows for custom logos and maps, and can synchronize with external systems like JMRI or use real-time.

**Highlights:** Model railroad fast clock simulation, Custom logo support, Custom map integration, JMRI time synchronization, Real-time clock option

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

**In-app purchases:** none


### Rail Roster

[App page](https://appshunter.io/ios/app/rail-roster-tracker/id6758860130)

Manage and catalog your model train collection with detailed records for trains, accessories, and consists. Track specifications, purchase history, and operational details, with powerful search and filtering tools. Visualize your collection's growth and value with insightful dashboards and charts.

**Highlights:** Catalog trains, accessories, and consists, Detailed model and prototype specifications, Track electronics, operation, and maintenance, Purchase history and value tracking, Photo support with galleries, Consist building and analysis tools, Collection insights and charts

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Yearly | $4.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Premium - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Fast Clock free?

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

### Is Rail Roster free?

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

### Which has better reviews, Fast Clock or Rail Roster?

Rail Roster is rated higher. Fast Clock averages 3.8 out of 5 from 5 ratings, while Rail Roster averages 5.0 from 1 ratings.

### Do Fast Clock or Rail Roster have ads?

Neither Fast Clock nor Rail Roster shows ads.

### Which is updated more often, Fast Clock or Rail Roster?

Fast Clock ships an update every 2 days, and Rail Roster weekly. Most recently, Fast Clock was updated on October 7, 2026 and Rail Roster on October 7, 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.*