# ChronoMaster Lite vs Master

The clearest difference is in-app purchases: ChronoMaster Lite at none against Master's 3. ChronoMaster Lite also leads on iOS requirement (9 vs 16.0). Master's advantage is update cadence (every 3 weeks vs every 13 months) and review sentiment (40% vs 25%). On price, ads and device support there is nothing between them.

Both are free to download. Master sells 3 one-off in-app purchases. ChronoMaster Lite asks for nothing beyond the download.

ChronoMaster Lite ships an update every 13 months, Master every 3 weeks. Both last shipped on October 26, 2026.

## The numbers

| Metric | ChronoMaster Lite | Master |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **40.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 47 MB |
| Requires iOS | **9** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [BrandsOnSpeed GmbH](https://appshunter.io/developer/431537613) | [Filippo Gozza](https://appshunter.io/developer/954580932) |

## What reviewers say

### ChronoMaster Lite

[App page](https://appshunter.io/ios/app/chronomaster-lite/id431674248)

This app assists classic car rally pilots and co-pilots in navigating complex special stages with 1/100s of a second precision. It offers a graphical interface for entering stage data, real-time display of critical information, and automatic average speed calculations, eliminating the need for external stopwatches or tables.

**Highlights:** 1/100s second precision timing, Graphical interface for stage data entry, Real-time display of stage information, Automatic average speed calculation, Up to 15 sectors per stage, Bilingual user interface (English/German)

**Features:** macOS Compatibility

**In-app purchases:** none


### Master

[App page](https://appshunter.io/ios/app/master-of-regularity/id1369749472)

This app provides essential tools for classic and sport classic uniformity rallies, including synchronized clocks, stopwatches, countdowns, and tripmasters. It allows for multiple tests simultaneously and saves log files that can be emailed, opened as tables, or viewed on maps. An optional Head-Up-Display function projects mirrored data onto a windshield.

**Highlights:** Synchronized clock with GPS/atomic time, 1/100 second stopwatch and countdown, Tripmaster and speedmeter, Multiple simultaneous tests, Log file saving and sharing, Optional Head-Up-Display, Display sharing with second device

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version for one month | $5.99 | one-time |
| Full version for 6 months | $18.99 | one-time |
| Full version for one year | $27.99 | one-time |


## Frequently asked questions

### Is ChronoMaster Lite free?

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

### Is Master free?

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

### Do ChronoMaster Lite or Master have ads?

Neither ChronoMaster Lite nor Master shows ads.

### Which is updated more often, ChronoMaster Lite or Master?

ChronoMaster Lite ships an update every 13 months, and Master every 3 weeks. Most recently, ChronoMaster Lite was updated on October 26, 2026 and Master on October 26, 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.*