# GPS Race Timer vs Two Stroke Mix Calculator

The clearest difference is ads: Two Stroke Mix Calculator at none against GPS Race Timer's shown. Two Stroke Mix Calculator also leads on rating (4.9 vs 4.5) and review sentiment (60% vs 34%). GPS Race Timer's advantage is ratings volume (2.8K vs 69) and iOS requirement (12.2 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. GPS Race Timer sells 1 one-off in-app purchase and Two Stroke Mix Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Two Stroke Mix Calculator holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: GPS Race Timer has 2.8K ratings behind it against 69, so its average is the more settled of the two. Written reviews point the same way: 34% of GPS Race Timer's written reviews are positive against 60% of Two Stroke Mix Calculator's.

GPS Race Timer ships an update every 7 months, Two Stroke Mix Calculator every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GPS Race Timer | Two Stroke Mix Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.8K ratings)](https://appshunter.io/ios/app/gps-race-timer/id1340496243/reviews) | **[4.9 (69 ratings)](https://appshunter.io/ios/app/two-stroke-mix-calculator/id1528822176/reviews)** |
| Number of ratings | **2.8K** | 69 |
| Positive reviews | 34.4% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 3 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Hagenau](https://appshunter.io/developer/1340496242) | [Peter Leahy](https://appshunter.io/developer/1248483729) |

## What reviewers say

### GPS Race Timer

[App page](https://appshunter.io/ios/app/gps-race-timer/id1340496243)

Accurately measure vehicle acceleration times like 0-60 mph and 1/4 mile using your iPhone's GPS. Set up timers beforehand and let the app automatically start measurements when speed targets are met or motion is detected. Save, export, and transfer your performance data easily.

**Highlights:** Measure 0-60 mph, 60-120 mph, 1/4 mile, Automatic start detection, Save and export results, Preset and adjustable timers, No extra hardware required, Optional PRO version features

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Accurate speed tracking
- 💡 Customizable settings
- 📊 Saves run data

**What reviewers complain about**

- 🐛 Inconsistent 0-60 and quarter mile times
- 🐛 Fails to start/record runs
- 🐛 Inaccurate distance tracking
- 🐛 Compatibility issues with newer devices

**Reported bugs**

- Timer doesn't reset properly
- App crashes on startup
- Significant GPS/speed detection delays
- Recorded times do not match actual performance

**Requested features**

- Add 60ft and 1/8 mile times
- Automatic start/stop of timer
- Manual start option for timer
- Improved accuracy and consistency


### Two Stroke Mix Calculator

[App page](https://appshunter.io/ios/app/two-stroke-mix-calculator/id1528822176)

This app simplifies the process of mixing 2-stroke fuel for various engines. It calculates the precise amount of oil needed for any fuel quantity and ratio, and helps track stored fuel freshness and expiry dates.

**Highlights:** Quick mix calculation, Track stored fuel profiles, Fuel age and expiry tracking, Supports all 2-stroke equipment, iCloud sync, Metric and US unit support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 3 Containers | $1.99 | one-time |
| Unlimited Containers | $2.99 | one-time |


## Frequently asked questions

### Is GPS Race Timer free?

GPS Race Timer is free to download, with in-app purchases available.

### Is Two Stroke Mix Calculator free?

Two Stroke Mix Calculator is free to download, with in-app purchases available.

### Which has better reviews, GPS Race Timer or Two Stroke Mix Calculator?

Two Stroke Mix Calculator is rated higher. GPS Race Timer averages 4.5 out of 5 from 2.8K ratings, while Two Stroke Mix Calculator averages 4.9 from 69 ratings.

### Do GPS Race Timer or Two Stroke Mix Calculator have ads?

GPS Race Timer shows ads; Two Stroke Mix Calculator does not.

### Which is updated more often, GPS Race Timer or Two Stroke Mix Calculator?

GPS Race Timer ships an update every 7 months, and Two Stroke Mix Calculator every 2 months. Most recently, GPS Race Timer was updated on October 29, 2026 and Two Stroke Mix Calculator on October 24, 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.*