# 佐鸣物联 vs Launchmeter

The clearest difference is in-app purchases: 佐鸣物联 at none against Launchmeter's 1. 佐鸣物联 also leads on iOS requirement (9.0 vs 17.0). On price there is nothing between them.

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

## The numbers

| Metric | 佐鸣物联 | 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 |
| Update frequency | — | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 2 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [永钦 郑](https://appshunter.io/developer/1671942540) | [耀民 王](https://appshunter.io/developer/1789459947) |

## What reviewers say

### 佐鸣物联

[App page](https://appshunter.io/ios/app/id1671974591)

**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 佐鸣物联 free?

佐鸣物联 is free to download, with no in-app purchases.

### Is Launchmeter free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*