# Fast Clock vs ClockAPX

The clearest difference is in-app purchases: Fast Clock at none against ClockAPX's 3. Fast Clock also leads on ads (none vs shown) and iOS requirement (15.6 vs 26.2). On price and device support there is nothing between them.

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

## The numbers

| Metric | Fast Clock | ClockAPX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/fast-clock/id6448879724/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | — |
| Monetization | Free | — |
| Size | 5 MB | 13 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Snow](https://appshunter.io/developer/305581830) | [Joonwoo Kim](https://appshunter.io/developer/1626035990) |

## 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


### ClockAPX

[App page](https://appshunter.io/ios/app/clockapx-dynamic-clock/id6759343630)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClockAPX Plus Monthly | $1.99 | per month |
| ClockAPX Plus Yearly | $9.99 | per year |
| ClockAPX Plus Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Fast Clock free?

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

### Is ClockAPX free?

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

### Do Fast Clock or ClockAPX have ads?

ClockAPX shows ads; Fast Clock does not.

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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.*