# Decibel Meter dB Sky vs 安信可配网助手

The clearest difference is in-app purchases: 安信可配网助手 at none against Decibel Meter dB Sky's 1. 安信可配网助手 also leads on ads (none vs shown) and update cadence (every 9 months vs every 21 months). On price and device support there is nothing between them.

Both are free to download. Decibel Meter dB Sky sells 1 one-off in-app purchase. 安信可配网助手 asks for nothing beyond the download.

Decibel Meter dB Sky ships an update every 21 months, 安信可配网助手 every 9 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Decibel Meter dB Sky | 安信可配网助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/decibel-meter-db-sky/id1451820892/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Every 9 months** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 17 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [春豪 李](https://appshunter.io/developer/1451820891) | [AI-Thinker Co.,Ltd](https://appshunter.io/developer/1135339915) |

## What reviewers say

### Decibel Meter dB Sky

[App page](https://appshunter.io/ios/app/decibel-meter-db-sky/id1451820892)

Measure ambient sound levels with a clear dial and record audio to understand sound changes. Save and replay moments, with advanced features available through a one-time purchase.

**Highlights:** Live sound-level estimates and curves, Local audio recording and playback, Screen-locked recording, Photo sound cards, Scene archives, Timed recording stops, Sound timeline and recap

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime Unlock | $2.99 | one-time |


### 安信可配网助手

[App page](https://appshunter.io/ios/app/id6475955443)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter dB Sky free?

Decibel Meter dB Sky is free to download, with in-app purchases available.

### Is 安信可配网助手 free?

安信可配网助手 is free to download, with no in-app purchases.

### Do Decibel Meter dB Sky or 安信可配网助手 have ads?

Decibel Meter dB Sky shows ads; 安信可配网助手 does not.

### Which is updated more often, Decibel Meter dB Sky or 安信可配网助手?

Decibel Meter dB Sky ships an update every 21 months, and 安信可配网助手 every 9 months. Most recently, Decibel Meter dB Sky was updated on November 2, 2026 and 安信可配网助手 on October 30, 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.*
