# Chorus RF Laptimer vs GT Launch

The clearest difference is rating: Chorus RF Laptimer at 5.0 against GT Launch's 4.0. Chorus RF Laptimer also leads on review sentiment (80% vs 50%) and iOS requirement (10.0 vs 15.6). GT Launch's advantage is update cadence (every 5 days vs every 2 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chorus RF Laptimer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 80% of Chorus RF Laptimer's written reviews are positive against 50% of GT Launch's.

Chorus RF Laptimer ships an update every 2 months, GT Launch every 5 days. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Chorus RF Laptimer | GT Launch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chorus-rf-laptimer/id1296647206/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/gt-launch/id6466036825/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 23 MB | 69 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hypercube DOO](https://appshunter.io/developer/825819632) | [Blueberry Technology LLC](https://appshunter.io/developer/1706838110) |

## What reviewers say

### Chorus RF Laptimer

[App page](https://appshunter.io/ios/app/chorus-rf-laptimer/id1296647206)

This application is a time tracking solution for small drone racing events. It is part of an open-source DIY project that provides hardware and software for accurate lap timing.

**Highlights:** DIY drone racing time tracking, Open-source project, Lap timing solution, Hardware and software integration, GitHub source code available

**Features:** macOS Compatibility

**In-app purchases:** none


### GT Launch

[App page](https://appshunter.io/ios/app/gt-launch/id6466036825)

This application acts as a GPS performance meter, integrated with drag and track modes. It provides highly accurate satellite data for measuring speed, acceleration, and lap times. Users can also share their driving data with a community.

**Highlights:** GPS performance meter, Drag and Track modes, Accurate satellite data, Customizable speed/distance ranges, Built-in track database, Lap time and trace analysis, Community data sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chorus RF Laptimer free?

Chorus RF Laptimer is free to download, with no in-app purchases.

### Is GT Launch free?

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

### Which has better reviews, Chorus RF Laptimer or GT Launch?

Chorus RF Laptimer is rated higher. Chorus RF Laptimer averages 5.0 out of 5 from 1 ratings, while GT Launch averages 4.0 from 4 ratings.

### Do Chorus RF Laptimer or GT Launch have ads?

Neither Chorus RF Laptimer nor GT Launch shows ads.

### Which is updated more often, Chorus RF Laptimer or GT Launch?

Chorus RF Laptimer ships an update every 2 months, and GT Launch every 5 days. Most recently, Chorus RF Laptimer was updated on September 17, 2026 and GT Launch on September 15, 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.*