# GPS Race Timer vs dooplicator

The clearest difference is review sentiment: dooplicator at 96% against GPS Race Timer's 34%. dooplicator 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 70) and iOS requirement (12.2 vs 15.1). On price and device support there is nothing between them.

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

dooplicator holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: GPS Race Timer has 2.8K ratings behind it against 70, 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 96% of dooplicator's.

GPS Race Timer ships an update every 7 months, dooplicator every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GPS Race Timer | dooplicator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.8K ratings)](https://appshunter.io/ios/app/gps-race-timer/id1340496243/reviews) | **[4.8 (70 ratings)](https://appshunter.io/ios/app/dooplicator/id1585564247/reviews)** |
| Number of ratings | **2.8K** | 70 |
| Positive reviews | 34.4% of reviews | **95.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 13 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Hagenau](https://appshunter.io/developer/1340496242) | [Dooplicator Special Technologies Inc.](https://appshunter.io/developer/1585564249) |

## 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


### dooplicator

[App page](https://appshunter.io/ios/app/dooplicator/id1585564247)

Create a digital backup of your physical key to avoid the stress of losing it. This utility eliminates the need for costly dealer programming, offering a convenient solution for emergencies or as a spare.

**Highlights:** Digital key backup, No dealer programming, Emergency key solution, Spare key creation

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast shipping and delivery
- 👍 Easy to use app and process
- 💰 Cost-effective compared to dealers
- 💡 Innovative key duplication service
- 🛠️ Great customer support

**What reviewers complain about**

- ⏳ Shipping can take a while (customs)
- 🇨🇳 Some items ship from China
- 🐛 Key not working initially (resolved)
- ❓ Compatibility with older models unclear

**Reported bugs**

- First key lost in mail (resolved by reshipment)
- One instance of a broken key received
- One instance of a wrong key received (resolved)

**Requested features**

- App for older Skidoo models (pre-2015)
- Include a split ring with the key


## Frequently asked questions

### Is GPS Race Timer free?

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

### Is dooplicator free?

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

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

dooplicator is rated higher. GPS Race Timer averages 4.5 out of 5 from 2.8K ratings, while dooplicator averages 4.8 from 70 ratings.

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

GPS Race Timer shows ads; dooplicator does not.

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

GPS Race Timer ships an update every 7 months, and dooplicator every 3 months. Most recently, GPS Race Timer was updated on November 2, 2026 and dooplicator on November 3, 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.*