# GPS Race Timer vs e85Cal

The clearest difference is review sentiment: e85Cal at 83% against GPS Race Timer's 34%. e85Cal also leads on in-app purchases (none vs 1) and ads (none vs shown). GPS Race Timer's advantage is ratings volume (2.7K vs 35). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. GPS Race Timer sells 1 one-off in-app purchase. e85Cal asks for nothing beyond the download.

e85Cal holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: GPS Race Timer has 2.7K ratings behind it against 35, 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 83% of e85Cal's.

GPS Race Timer ships an update every 7 months, e85Cal every 4 months. The most recent releases landed on October 11, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | GPS Race Timer | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.7K ratings)](https://appshunter.io/ios/app/gps-race-timer/id1340496243/reviews) | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** |
| Number of ratings | **2.7K** | 35 |
| Positive reviews | 34.4% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 15 MB |
| Requires iOS | 12.2 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Hagenau](https://appshunter.io/developer/1340496242) | [Michael Joe](https://appshunter.io/developer/1132486512) |

## 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


### e85Cal

[App page](https://appshunter.io/ios/app/e85cal/id1470313135)

This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.

**Highlights:** Calculate ethanol percentage goal, Enter gas tank size, Input standard pump gas ethanol %, Input ethanol pump gas ethanol %, Set target ethanol % mix, Enter current fuel level %

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPS Race Timer free?

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

### Is e85Cal free?

e85Cal is free to download, with no in-app purchases.

### Which has better reviews, GPS Race Timer or e85Cal?

e85Cal is rated higher. GPS Race Timer averages 4.5 out of 5 from 2.7K ratings, while e85Cal averages 4.7 from 35 ratings.

### Do GPS Race Timer or e85Cal have ads?

GPS Race Timer shows ads; e85Cal does not.

### Which is updated more often, GPS Race Timer or e85Cal?

GPS Race Timer ships an update every 7 months, and e85Cal every 4 months. Most recently, GPS Race Timer was updated on October 11, 2026 and e85Cal on September 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.*