# GPS Race Timer vs MHD Flasher N54

GPS Race Timer and MHD Flasher N54 both sit at 4.5 stars, but that hides the real split: 77% of MHD Flasher N54's written reviews are positive against 34% of GPS Race Timer's. MHD Flasher N54 also leads on in-app purchases (none vs 1) and ads (none vs shown). GPS Race Timer's advantage is ratings volume (2.8K vs 175). On price, rating and device support there is nothing between them.

Both are free to download. GPS Race Timer sells 1 one-off in-app purchase. MHD Flasher N54 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for GPS Race Timer against 4.6 for MHD Flasher N54. That said, the two scores are not equally well evidenced: GPS Race Timer has 2.8K ratings behind it against 175, so its average is the more settled of the two. Written reviews are what separate them: 34% of GPS Race Timer's written reviews are positive against 77% of MHD Flasher N54's.

GPS Race Timer ships an update every 7 months, MHD Flasher N54 monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GPS Race Timer | MHD Flasher N54 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.8K ratings)](https://appshunter.io/ios/app/gps-race-timer/id1340496243/reviews) | **[4.6 (175 ratings)](https://appshunter.io/ios/app/mhd-flasher-n54/id1445162440/reviews)** |
| Number of ratings | **2.8K** | 175 |
| Positive reviews | 34.4% of reviews | **76.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 134 MB |
| Requires iOS | 12.2 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Hagenau](https://appshunter.io/developer/1340496242) | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) |

## 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


### MHD Flasher N54

[App page](https://appshunter.io/ios/app/mhd-flasher-n54/id1445162440)

This utility app allows reading and clearing engine DTC error codes, graphing and analyzing datalogs, and viewing vehicle licenses. It serves as a transition to a unified app supporting a wider range of BMW and Supra models.

**Highlights:** Read engine DTC error codes, Clear engine DTC error codes, Graph datalogs, Analyze datalogs, View vehicle licenses, Access user guide

**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 MHD Flasher N54 free?

MHD Flasher N54 is free to download, with no in-app purchases.

### Which has better reviews, GPS Race Timer or MHD Flasher N54?

MHD Flasher N54 is rated higher. GPS Race Timer averages 4.5 out of 5 from 2.8K ratings, while MHD Flasher N54 averages 4.6 from 175 ratings.

### Do GPS Race Timer or MHD Flasher N54 have ads?

GPS Race Timer shows ads; MHD Flasher N54 does not.

### Which is updated more often, GPS Race Timer or MHD Flasher N54?

GPS Race Timer ships an update every 7 months, and MHD Flasher N54 monthly. Most recently, GPS Race Timer was updated on October 29, 2026 and MHD Flasher N54 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.*