# Checkpoint Clock vs GPS Rally Computer

The clearest difference is price: Checkpoint Clock at $3.00 against GPS Rally Computer's $24.99. Checkpoint Clock also leads on rating (4.0 vs 3.8). GPS Rally Computer's advantage is update cadence (monthly vs every 31 months) and ratings volume (5 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Checkpoint Clock costs $3.00 and GPS Rally Computer $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Checkpoint Clock holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: GPS Rally Computer has 5 ratings behind it against 1, so its average is the more settled of the two.

Checkpoint Clock ships an update every 31 months, GPS Rally Computer monthly. The most recent releases landed on June 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Checkpoint Clock | GPS Rally Computer |
| --- | --- | --- |
| Price | **$3.00** | $24.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/checkpoint-clock/id549741037/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/gps-rally-computer/id1210193950/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 9 MB | 2 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Bireta](https://appshunter.io/developer/338634093) | [MSYapps](https://appshunter.io/developer/458482419) |

## What reviewers say

### Checkpoint Clock

[App page](https://appshunter.io/ios/app/checkpoint-clock/id549741037)

This app functions as a precise timing device for Time-Speed-Distance road rallies. It records split times with optional car numbers and allows for dynamic adjustment of time units. It can also serve as a time reference for 'Seat of the Pants' rally classes.

**Highlights:** Split time recording, Optional car number logging, Scrollable log area, Dynamic time unit adjustment, Time of day clock synchronization, Decimal minute support

**In-app purchases:** none


### GPS Rally Computer

[App page](https://appshunter.io/ios/app/gps-rally-computer/id1210193950)

This app aids in navigating traditional time-speed-distance (TSD) automobile rallies by simplifying complex computations. It allows for odometer calibration, precise speed tracking, and real-time error correction to help drivers stay on pace.

**Highlights:** Odometer calibration, Precise speed tracking, Real-time error correction, Adjustable clock and distance units, Customizable speed changes, Time and distance recording

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

**In-app purchases:** none


## Frequently asked questions

### Is Checkpoint Clock free?

Checkpoint Clock costs $3.00, with no in-app purchases.

### Is GPS Rally Computer free?

GPS Rally Computer costs $24.99, with no in-app purchases.

### Which has better reviews, Checkpoint Clock or GPS Rally Computer?

Checkpoint Clock is rated higher. Checkpoint Clock averages 4.0 out of 5 from 1 ratings, while GPS Rally Computer averages 3.8 from 5 ratings.

### Do Checkpoint Clock or GPS Rally Computer have ads?

Neither Checkpoint Clock nor GPS Rally Computer shows ads.

### Which is updated more often, Checkpoint Clock or GPS Rally Computer?

Checkpoint Clock ships an update every 31 months, and GPS Rally Computer monthly. Most recently, Checkpoint Clock was updated on June 9, 2026 and GPS Rally Computer on September 19, 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.*