# Cuspart vs iUMS Pro

The clearest difference is in-app purchases: iUMS Pro at none against Cuspart's 10. iUMS Pro also leads on update cadence (every 2 days vs every 2 months) and device support (3 vs 1). On price, ads 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. iUMS Pro asks for nothing beyond the download.

Cuspart ships an update every 2 months, iUMS Pro every 2 days. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Cuspart | iUMS Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 79 MB | 74 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [NADATEL Co.,Ltd.](https://appshunter.io/developer/397619224) |

## 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 |


### iUMS Pro

[App page](https://appshunter.io/ios/app/iums-pro/id6812713251)

**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 iUMS Pro free?

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

### Do Cuspart or iUMS Pro have ads?

Both Cuspart and iUMS Pro show ads.

### Which is updated more often, Cuspart or iUMS Pro?

Cuspart ships an update every 2 months, and iUMS Pro every 2 days. Most recently, Cuspart was updated on October 1, 2026 and iUMS Pro on October 10, 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.*