# Decibel Reader vs Cuspart

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

Both are free to download. Decibel Reader sells 6 in-app purchases, starting at $3.99 per 7 days and Cuspart sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Decibel Reader ships an update every 2 weeks, Cuspart every 2 months. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Decibel Reader | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/decibel-reader/id6451411046/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 79 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### Decibel Reader

[App page](https://appshunter.io/ios/app/decibel-reader/id6451411046)

Measure ambient noise levels with real-time readings, tracking minimum, average, and maximum decibels. Offers calibration for accuracy and a dark mode for comfortable viewing. This tool helps you understand your sound environment.

**Highlights:** Real-time decibel measurement, Calibration for accuracy, Track min, average, and max noise levels, Dark mode for low-light use, Simple and intuitive interface

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter Pro - 1 Week | $3.99 | per 7 days |
| Decibel Meter Pro - 1 Month | $7.99 | per month |
| Sound Level Meter - 6 Months | $19.99 | per 6 months |
| Noise Level Meter - 1 Year | $29.99 | per year |
| Decibel Meter Pro - 1Y 2 | $29.99 | per year |
| dB Meter Pro | $49.99 | one-time |


### Cuspart

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

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cuspart: Sound Level | $1.99 | per month |
| Cuspart: Sound Level | $5.99 | per 3 months |
| Cuspart: Sound Level | $12.99 | per year |
| 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 Reader free?

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

### Is Cuspart free?

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

### Do Decibel Reader or Cuspart have ads?

Both Decibel Reader and Cuspart show ads.

### Which is updated more often, Decibel Reader or Cuspart?

Decibel Reader ships an update every 2 weeks, and Cuspart every 2 months. Most recently, Decibel Reader was updated on September 18, 2026 and Cuspart on September 13, 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.*