# MI WHOLE vs Decibel Meter A+

The clearest difference is in-app purchases: MI WHOLE at none against Decibel Meter A+'s 3. MI WHOLE also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Decibel Meter A+'s advantage is update cadence (every 6 weeks vs every 15 months). On price and device support there is nothing between them.

Both are free to download. Decibel Meter A+ sells 3 one-off in-app purchases. MI WHOLE asks for nothing beyond the download.

MI WHOLE ships an update every 15 months, Decibel Meter A+ every 6 weeks. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MI WHOLE | Decibel Meter A+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 89.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 196 MB | 5 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HANYI TRADING (SHANGHAI) CO.LTD](https://appshunter.io/developer/1613468281) | [BO YOUNG PARK](https://appshunter.io/developer/1291813217) |

## What reviewers say

### MI WHOLE

[App page](https://appshunter.io/ios/app/mi-whole/id1613468279)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Meter A+

[App page](https://appshunter.io/ios/app/decibel-meter-a-plus/id6450104699)

This app measures and analyzes environmental noise in real time, providing accurate dB levels and statistical data. It features a simple interface for detecting subtle noises, with recording and sharing capabilities to manage noise data effectively and promote a safer environment.

**Highlights:** Real-time dB level monitoring, Environmental noise analysis, Noise measurement recording, Data sharing capabilities, Intuitive user interface, Statistical data generation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Coffee for App Developers | $1.99 | one-time |
| Coffee + Cake for App Devs | $3.99 | one-time |


## Frequently asked questions

### Is MI WHOLE free?

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

### Is Decibel Meter A+ free?

Decibel Meter A+ is free to download, with in-app purchases available.

### Do MI WHOLE or Decibel Meter A+ have ads?

Decibel Meter A+ shows ads; MI WHOLE does not.

### Which is updated more often, MI WHOLE or Decibel Meter A+?

MI WHOLE ships an update every 15 months, and Decibel Meter A+ every 6 weeks. Most recently, MI WHOLE was updated on October 27, 2026 and Decibel Meter A+ on November 3, 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.*