# ChronoMaster vs GPS Rally Odometer

The clearest difference is price: GPS Rally Odometer at $15.99 against ChronoMaster's $64.99. GPS Rally Odometer also leads on update cadence (every 3 weeks vs every 9 months) and device support (3 vs 1). ChronoMaster's advantage is iOS requirement (9 vs 13.6). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

ChronoMaster costs $64.99 and GPS Rally Odometer $15.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChronoMaster ships an update every 9 months, GPS Rally Odometer every 3 weeks. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ChronoMaster | GPS Rally Odometer |
| --- | --- | --- |
| Price | $64.99 | **$15.99** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 4 MB | 1 MB |
| Requires iOS | **9** | 13.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BrandsOnSpeed GmbH](https://appshunter.io/developer/431537613) | [MSYapps](https://appshunter.io/developer/458482419) |

## 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


### GPS Rally Odometer

[App page](https://appshunter.io/ios/app/gps-rally-odometer/id1072411708)

This application precisely tracks time, speed, and distance for automobile rallies. It allows for detailed segment measurements, on-map plotting, and real-time adjustments for off-course travel or GPS inaccuracies.

**Highlights:** Time, speed, and distance tracking, Stage and checkpoint measurements, On-map plotting of rally path, Adjustable distance units (miles/km), Off-course distance subtraction, GPS coordinate adjustment, Time adjustments for stages

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

**In-app purchases:** none


## Frequently asked questions

### Is ChronoMaster free?

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

### Is GPS Rally Odometer free?

GPS Rally Odometer costs $15.99, with no in-app purchases.

### Do ChronoMaster or GPS Rally Odometer have ads?

Neither ChronoMaster nor GPS Rally Odometer shows ads.

### Which is updated more often, ChronoMaster or GPS Rally Odometer?

ChronoMaster ships an update every 9 months, and GPS Rally Odometer every 3 weeks. Most recently, ChronoMaster was updated on June 5, 2026 and GPS Rally Odometer on September 9, 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.*