# Fast Clock vs Blunami

The clearest difference is review sentiment: Blunami at 100% against Fast Clock's 25%. Blunami also leads on rating (4.7 vs 3.8) and iOS requirement (13.0 vs 15.6). Fast Clock's advantage is update cadence (every 2 days vs every 2 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Blunami holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 5 and 10 respectively. Written reviews point the same way: 25% of Fast Clock's written reviews are positive against 100% of Blunami's.

Fast Clock ships an update every 2 days, Blunami every 2 weeks. The most recent releases landed on September 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Fast Clock | Blunami |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/fast-clock/id6448879724/reviews) | **[4.7 (10 ratings)](https://appshunter.io/ios/app/blunami/id6450242596/reviews)** |
| Number of ratings | 5 | **10** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 5 MB | 50 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Snow](https://appshunter.io/developer/305581830) | [BlueRail Trains](https://appshunter.io/developer/1108536202) |

## 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


### Blunami

[App page](https://appshunter.io/ios/app/blunami/id6450242596)

Control locomotives equipped with a specific DCC decoder using your mobile device. This application allows for seamless operation of your model trains.

**Highlights:** Locomotive control, DCC decoder compatibility, SoundTraxx Blunami support, Mobile operation

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast Clock free?

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

### Is Blunami free?

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

### Which has better reviews, Fast Clock or Blunami?

Blunami is rated higher. Fast Clock averages 3.8 out of 5 from 5 ratings, while Blunami averages 4.7 from 10 ratings.

### Do Fast Clock or Blunami have ads?

Neither Fast Clock nor Blunami shows ads.

### Which is updated more often, Fast Clock or Blunami?

Fast Clock ships an update every 2 days, and Blunami every 2 weeks. Most recently, Fast Clock was updated on September 20, 2026 and Blunami on October 12, 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.*