# KM行動維修 vs Decibel Sound Level Meter

The clearest difference is in-app purchases: KM行動維修 at none against Decibel Sound Level Meter's 3. KM行動維修 also leads on iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Decibel Sound Level Meter sells 3 in-app purchases, starting at $3.99 per 7 days. KM行動維修 asks for nothing beyond the download.

## The numbers

| Metric | KM行動維修 | Decibel Sound Level Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (86 ratings)](https://appshunter.io/ios/app/decibel-sound-level-meter/id6479290470/reviews)** |
| Number of ratings | — | **86** |
| Positive reviews | — | 3.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 22 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [SHI-LONG LIAO](https://appshunter.io/developer/1233637221) | [溪 黄](https://appshunter.io/developer/1834459204) |

## What reviewers say

### KM行動維修

[App page](https://appshunter.io/ios/app/km/id1451179356)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Sound Level Meter

[App page](https://appshunter.io/ios/app/decibel-sound-level-meter/id6479290470)

This utility app measures ambient sound levels in real-time, providing precise decibel readings. It offers features like location tagging, a decibel camera, and the ability to record, export measurement history, and audio data.

**Highlights:** Real-time decibel measurement, Location information, Decibel camera, Record measurement history, Export measurement reports, Export audio data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $3.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Annual membership | $14.99 | per year |


## Frequently asked questions

### Is KM行動維修 free?

KM行動維修 is free to download, with no in-app purchases.

### Is Decibel Sound Level Meter free?

Decibel Sound Level Meter is free to download, with in-app purchases available.

### Do KM行動維修 or Decibel Sound Level Meter have ads?

Neither KM行動維修 nor Decibel Sound Level Meter shows ads.

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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.*