# Cuspart vs Decibel Meter X

The clearest difference is in-app purchases: Decibel Meter X at none against Cuspart's 10. Decibel Meter X also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cuspart sells 10 in-app purchases, starting at $1.99 per month. Decibel Meter X asks for nothing beyond the download.

Cuspart ships an update every 2 months, Decibel Meter X every 4 weeks. The most recent releases landed on October 1, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Cuspart | Decibel Meter X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (49 ratings)](https://appshunter.io/ios/app/decibel-meter-x/id6478142605/reviews)** |
| Number of ratings | — | **49** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 79 MB | 6 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [永超 侯](https://appshunter.io/developer/906391544) |

## What reviewers say

### 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 |


### Decibel Meter X

[App page](https://appshunter.io/ios/app/decibel-meter-x/id6478142605)

This application precisely measures sound levels and analyzes audio spectrums. It can also generate specific frequency sounds for testing, research, or therapeutic purposes. Its intuitive interface makes sound exploration accessible to all users.

**Highlights:** Precise decibel level measurement, Audio spectrum analysis, Spectrogram display, Generate specific frequency sounds, Intuitive user interface, Detailed usage instructions

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

**In-app purchases:** none


## Frequently asked questions

### Is Cuspart free?

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

### Is Decibel Meter X free?

Decibel Meter X is free to download, with no in-app purchases.

### Do Cuspart or Decibel Meter X have ads?

Cuspart shows ads; Decibel Meter X does not.

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

Cuspart ships an update every 2 months, and Decibel Meter X every 4 weeks. Most recently, Cuspart was updated on October 1, 2026 and Decibel Meter X on October 20, 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.*