# LED System vs Launchmeter

The clearest difference is in-app purchases: LED System at none against Launchmeter's 1. LED System also leads on update cadence (weekly vs every 7 months) and iOS requirement (15 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Launchmeter sells 1 one-off in-app purchase. LED System asks for nothing beyond the download.

LED System ships an update weekly, Launchmeter every 7 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | LED System | Launchmeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/launchmeter-0-60-drag-timer/id6740311655/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 2 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [深圳市流明电子有限公司](https://appshunter.io/developer/1031986405) | [耀民 王](https://appshunter.io/developer/1789459947) |

## What reviewers say

### LED System

[App page](https://appshunter.io/ios/app/led-system/id6670427885)

**Features:** macOS Compatibility

**In-app purchases:** none


### Launchmeter

[App page](https://appshunter.io/ios/app/launchmeter-0-60-drag-timer/id6740311655)

Measure your car's acceleration performance with precise timing and G-force logging. It uses GPS and motion sensors for accurate readings, saving all your runs and routes locally for later review. Optional pro features offer weather correction and data export.

**Highlights:** 0-60 mph acceleration timing, GPS and motion sensor fusion for accuracy, G-force and friction circle logging, Run and route saving, Weather-corrected times (Pro), CSV and GPX data export (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Launchmeter Pro | $4.99 | one-time |


## Frequently asked questions

### Is LED System free?

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

### Is Launchmeter free?

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

### Do LED System or Launchmeter have ads?

Neither LED System nor Launchmeter shows ads.

### Which is updated more often, LED System or Launchmeter?

LED System ships an update weekly, and Launchmeter every 7 months. Most recently, LED System was updated on November 4, 2026 and Launchmeter on October 30, 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.*