# GPS Race Timer vs LumoHomeSync

The clearest difference is ads: LumoHomeSync at none against GPS Race Timer's shown. LumoHomeSync also leads on update cadence (every 11 days vs every 7 months). GPS Race Timer's advantage is device support (3 vs 1) and iOS requirement (12.2 vs 18.5). On price and in-app purchases there is nothing between them.

Both are free to download. GPS Race Timer sells 1 one-off in-app purchase and LumoHomeSync sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

GPS Race Timer ships an update every 7 months, LumoHomeSync every 11 days. The most recent releases landed on October 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | GPS Race Timer | LumoHomeSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.8K ratings)](https://appshunter.io/ios/app/gps-race-timer/id1340496243/reviews)** | — |
| Number of ratings | **2.8K** | — |
| Positive reviews | 34.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 93 MB |
| Requires iOS | **12.2** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Hagenau](https://appshunter.io/developer/1340496242) | [James Jowett](https://appshunter.io/developer/1837873831) |

## 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


### LumoHomeSync

[App page](https://appshunter.io/ios/app/lumohomesync/id6754944506)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $34.99 | per year |
| Lifetime Core | $9.99 | one-time |


## Frequently asked questions

### Is GPS Race Timer free?

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

### Is LumoHomeSync free?

LumoHomeSync is free to download, with in-app purchases available.

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

GPS Race Timer shows ads; LumoHomeSync does not.

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

GPS Race Timer ships an update every 7 months, and LumoHomeSync every 11 days. Most recently, GPS Race Timer was updated on October 20, 2026 and LumoHomeSync on September 21, 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.*