# Mertis vs Klink

The clearest difference is update cadence: Mertis at monthly against Klink's every 20 months. Klink's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mertis ships an update monthly, Klink every 20 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mertis | Klink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 20 months |
| Size | 32 MB | 342 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Klaas Dons](https://appshunter.io/developer/1253103875) | [Klink B.V.](https://appshunter.io/developer/1634769481) |

## What reviewers say

### Mertis

[App page](https://appshunter.io/ios/app/mertis/id1477611953)

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

**In-app purchases:** none


### Klink

[App page](https://appshunter.io/ios/app/klink-smartklink/id1634769479)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mertis free?

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

### Is Klink free?

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

### Do Mertis or Klink have ads?

Neither Mertis nor Klink shows ads.

### Which is updated more often, Mertis or Klink?

Mertis ships an update monthly, and Klink every 20 months. Most recently, Mertis was updated on October 26, 2026 and Klink on October 25, 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.*