# CRONO vs GPS Rally Odometer

The clearest difference is review sentiment: CRONO at 56% against GPS Rally Odometer's 0%. CRONO also leads on price (Free vs $15.99). GPS Rally Odometer's advantage is in-app purchases (none vs 3) and iOS requirement (13.6 vs 16.0). On update cadence, ads and device support there is nothing between them.

CRONO is free to download; GPS Rally Odometer costs $15.99 up front. CRONO sells 3 one-off in-app purchases. GPS Rally Odometer asks for nothing beyond the download.

CRONO ships an update monthly, GPS Rally Odometer every 3 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CRONO | GPS Rally Odometer |
| --- | --- | --- |
| Price | **Free** | $15.99 |
| Positive reviews | **55.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 15 MB | 1 MB |
| Requires iOS | 16.0 | **13.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Filippo Gozza](https://appshunter.io/developer/954580932) | [MSYapps](https://appshunter.io/developer/458482419) |

## What reviewers say

### CRONO

[App page](https://appshunter.io/ios/app/crono-mille-miglia/id965652869)

This app provides a comprehensive suite of tools for classic and vintage car rallies. It includes a synchronized clock, a precise stopwatch and countdown timer, trip and speed meters, and a speed pilot. It supports GPS synchronization and distance measurement via GPS or wheel sensors.

**Highlights:** Synchronized clock (GPS, atomic, manual), 1/100 second stopwatch, 1/100 second countdown timer, Trip/twinmaster, Average speed meter, Speedpilot, Speedometer

**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 |


### 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 CRONO free?

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

### Is GPS Rally Odometer free?

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

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

Neither CRONO nor GPS Rally Odometer shows ads.

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

CRONO ships an update monthly, and GPS Rally Odometer every 3 weeks. Most recently, CRONO was updated on October 26, 2026 and GPS Rally Odometer on October 29, 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.*