# MappasApp vs Sound Meter

The clearest difference is update cadence: Sound Meter at every 2 days against MappasApp's every 4 weeks. Sound Meter also leads on device support (3 vs 1) and iOS requirement (12.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

MappasApp ships an update every 4 weeks, Sound Meter every 2 days. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | MappasApp | Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (36 ratings)](https://appshunter.io/ios/app/sound-meter-simple-detector/id1452030239/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 66.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 2 MB | 13 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mappasystems](https://appshunter.io/developer/934936737) | [GWI JU JO](https://appshunter.io/developer/1332013466) |

## What reviewers say

### MappasApp

[App page](https://appshunter.io/ios/app/mappasapp/id934936738)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Meter

[App page](https://appshunter.io/ios/app/sound-meter-simple-detector/id1452030239)

Measure ambient sound levels with this straightforward application. It displays decibel readings, offers calibration options, and provides historical data with graphical representations. Easily understand noise levels and their potential impact.

**Highlights:** Display decibels, Calibration, Graph view, History log, Noise level reference

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

**In-app purchases:** none


## Frequently asked questions

### Is MappasApp free?

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

### Is Sound Meter free?

Sound Meter is free to download, with no in-app purchases.

### Do MappasApp or Sound Meter have ads?

Neither MappasApp nor Sound Meter shows ads.

### Which is updated more often, MappasApp or Sound Meter?

MappasApp ships an update every 4 weeks, and Sound Meter every 2 days. Most recently, MappasApp was updated on September 13, 2026 and Sound Meter on September 26, 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.*