# Cuspart vs NoiseAlert

The clearest difference is in-app purchases: NoiseAlert at none against Cuspart's 10. NoiseAlert also leads on ads (none vs shown) and update cadence (every 11 days 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. NoiseAlert asks for nothing beyond the download.

Cuspart ships an update every 2 months, NoiseAlert every 11 days. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Cuspart | NoiseAlert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 79 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## 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 |


### NoiseAlert

[App page](https://appshunter.io/ios/app/noisealert/id6762494482)

**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 NoiseAlert free?

NoiseAlert is free to download, with no in-app purchases.

### Do Cuspart or NoiseAlert have ads?

Cuspart shows ads; NoiseAlert does not.

### Which is updated more often, Cuspart or NoiseAlert?

Cuspart ships an update every 2 months, and NoiseAlert every 11 days. Most recently, Cuspart was updated on September 13, 2026 and NoiseAlert on September 18, 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.*