# Mateo vs Klangtester

The clearest difference is in-app purchases: Mateo at none against Klangtester's 4. Mateo also leads on update cadence (every 2 weeks vs every 7 months). Klangtester's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 14.0). On price and ads there is nothing between them.

Both are free to download. Klangtester sells 4 one-off in-app purchases. Mateo asks for nothing beyond the download.

Mateo ships an update every 2 weeks, Klangtester every 7 months. The most recent releases landed on October 18, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Mateo | Klangtester |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Size | 33 MB | 24 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pineapple Software GmbH](https://appshunter.io/developer/1395085543) | [Klangspektrum GmbH - Institut fur naturliches HorErleben](https://appshunter.io/developer/1478150383) |

## What reviewers say

### Mateo

[App page](https://appshunter.io/ios/app/mateo/id1112068737)

**Features:** macOS Compatibility

**In-app purchases:** none


### Klangtester

[App page](https://appshunter.io/ios/app/klangtester/id1478150384)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Tickets | $2.99 | one-time |
| 100 Tickets | $19.99 | one-time |
| 500 Tickets | $74.99 | one-time |
| 1000 Tickets | $99.99 | one-time |


## Frequently asked questions

### Is Mateo free?

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

### Is Klangtester free?

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

### Do Mateo or Klangtester have ads?

Neither Mateo nor Klangtester shows ads.

### Which is updated more often, Mateo or Klangtester?

Mateo ships an update every 2 weeks, and Klangtester every 7 months. Most recently, Mateo was updated on October 18, 2026 and Klangtester on October 29, 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.*