# ChronoMaster vs Master

The clearest difference is price: Master at Free against ChronoMaster's $64.99. Master also leads on update cadence (every 3 weeks vs every 9 months) and review sentiment (40% vs 25%). ChronoMaster's advantage is in-app purchases (none vs 3) and iOS requirement (9 vs 16.0). On ads and device support there is nothing between them.

Master is free to download; ChronoMaster costs $64.99 up front. Master sells 3 one-off in-app purchases. ChronoMaster asks for nothing beyond the download.

ChronoMaster ships an update every 9 months, Master every 3 weeks. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ChronoMaster | Master |
| --- | --- | --- |
| Price | $64.99 | **Free** |
| Positive reviews | 25.0% of reviews | **40.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | **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

[App page](https://appshunter.io/ios/app/chronomaster/id431537610)

This app is designed for classic car rally pilots and co-pilots to precisely navigate complex special stages. It offers 1/100s second accuracy for timing and distance, with a graphical interface to manage interlaced stages, average speed controls, and countdown timers.

**Highlights:** 1/100s second precision timing, Graphical interface for complex stages, Acoustic countdown timer, Automatic average speed calculation, Transfer stage data from roadbook, Bilingual 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 free?

ChronoMaster costs $64.99, with no in-app purchases.

### Is Master free?

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

### Do ChronoMaster or Master have ads?

Neither ChronoMaster nor Master shows ads.

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

ChronoMaster ships an update every 9 months, and Master every 3 weeks. Most recently, ChronoMaster was updated on October 23, 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.*