# Train Throttle vs Fast Clock

The clearest difference is review sentiment: Train Throttle at 100% against Fast Clock's 25%. Train Throttle also leads on rating (5.0 vs 3.8). Fast Clock's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Train Throttle sells 3 in-app purchases, starting at $1.99 per year. Fast Clock asks for nothing beyond the download.

Train Throttle holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 100% of Train Throttle's written reviews are positive against 25% of Fast Clock's.

Train Throttle ships an update every 2 months, Fast Clock every 2 days. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Train Throttle | Fast Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/train-throttle/id1662181863/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/fast-clock/id6448879724/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 5 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Drew Hoffman](https://appshunter.io/developer/1662181865) | [Kevin Snow](https://appshunter.io/developer/305581830) |

## What reviewers say

### Train Throttle

[App page](https://appshunter.io/ios/app/train-throttle/id1662181863)

Control your DCC model trains wirelessly from your Mac, iPhone, or iPad. Manage multiple engines, set turnouts, and toggle routes. A free trial offers core functionality, with a subscription unlocking advanced features.

**Highlights:** Wireless DCC train control, Control multiple engines/consists, Set turnouts and toggle routes, Free trial with core features, Full feature subscription

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe | $1.99 | per year |
| Tip a Coffee | $3.99 | one-time |
| Purchase | $12.99 | one-time |


### 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


## Frequently asked questions

### Is Train Throttle free?

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

### Is Fast Clock free?

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

### Which has better reviews, Train Throttle or Fast Clock?

Train Throttle is rated higher. Train Throttle averages 5.0 out of 5 from 2 ratings, while Fast Clock averages 3.8 from 5 ratings.

### Do Train Throttle or Fast Clock have ads?

Neither Train Throttle nor Fast Clock shows ads.

### Which is updated more often, Train Throttle or Fast Clock?

Train Throttle ships an update every 2 months, and Fast Clock every 2 days. Most recently, Train Throttle was updated on September 28, 2026 and Fast Clock 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.*