# Decibel Meter dB Sky vs Cuspart

The clearest difference is update cadence: Cuspart at every 2 months against Decibel Meter dB Sky's every 21 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Decibel Meter dB Sky sells 1 one-off in-app purchase and Cuspart sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Decibel Meter dB Sky ships an update every 21 months, Cuspart every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Decibel Meter dB Sky | Cuspart |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 79 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [春豪 李](https://appshunter.io/developer/1451820891) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## 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 |


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-db-meter/id6477875540)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $0.99 | one-time |
| Espresso | $1.49 | one-time |
| Flat White | $1.99 | one-time |
| Caffè Americano | $2.49 | one-time |
| Caffè Mocha | $2.99 | one-time |
| Classic Hot Chocolate | $3.49 | one-time |
| Special Hot Chocolate | $3.99 | one-time |


## Frequently asked questions

### Is Decibel Meter dB Sky free?

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

### Is Cuspart free?

Cuspart is free to download, with in-app purchases available.

### Do Decibel Meter dB Sky or Cuspart have ads?

Both Decibel Meter dB Sky and Cuspart show ads.

### Which is updated more often, Decibel Meter dB Sky or Cuspart?

Decibel Meter dB Sky ships an update every 21 months, and Cuspart every 2 months. Most recently, Decibel Meter dB Sky was updated on November 2, 2026 and Cuspart on November 4, 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.*