Fast Clock vs Blunami
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast Clock
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.
- Model railroad fast clock simulation
- Custom logo support
- Custom map integration
- JMRI time synchronization
- Real-time clock option
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A model railroad fast clock app Supports custom logos Supports custom maps Can read time from JMRI, the built-in fast clock, or real time
Blunami
Control locomotives equipped with a specific DCC decoder using your mobile device. This application allows for seamless operation of your model trains.
- Locomotive control
- DCC decoder compatibility
- SoundTraxx Blunami support
- Mobile operation
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The Blunami train control app by BlueRail Trains let's you control any locomotive equipped with a SoundTraxx Blunami DCC decoder.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 October 7, 2026 and October 12, 2026 respectively.
| Parameter | Fast Clock | Blunami |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) | 4.7 (10 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 10 — better |
| Update frequency | Every 2 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Kevin Snow | BlueRail Trains |
Customer experience
Fast Clock
Blunami
In-app purchases
Fast Clock
No in-app purchases
Blunami
No in-app purchases
