# i Sound Level Meter vs 行動管理室 Lite版

The clearest difference is ads: 行動管理室 Lite版 at none against i Sound Level Meter's shown. i Sound Level Meter's advantage is update cadence (every 2 months vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

i Sound Level Meter ships an update every 2 months, 行動管理室 Lite版 every 5 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | i Sound Level Meter | 行動管理室 Lite版 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/i-sound-level-meter/id912170360/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 7 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [IO SHOP CO., LTD.](https://appshunter.io/developer/1282292604) |

## What reviewers say

### i Sound Level Meter

[App page](https://appshunter.io/ios/app/i-sound-level-meter/id912170360)

Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.

**Highlights:** Measures ambient noise levels, Tracks maximum noise values, Tracks minimum noise values, Displays noise measurements

**Features:** Vision Pro support

**In-app purchases:** none


### 行動管理室 Lite版

[App page](https://appshunter.io/ios/app/lite/id1506533514)

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

**In-app purchases:** none


## Frequently asked questions

### Is i Sound Level Meter free?

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

### Is 行動管理室 Lite版 free?

行動管理室 Lite版 is free to download, with no in-app purchases.

### Do i Sound Level Meter or 行動管理室 Lite版 have ads?

i Sound Level Meter shows ads; 行動管理室 Lite版 does not.

### Which is updated more often, i Sound Level Meter or 行動管理室 Lite版?

i Sound Level Meter ships an update every 2 months, and 行動管理室 Lite版 every 5 months. Most recently, i Sound Level Meter was updated on October 18, 2026 and 行動管理室 Lite版 on October 10, 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.*