# MRTLE vs KYSA

The clearest difference is update cadence: KYSA at every 3 months against MRTLE's every 17 months. MRTLE'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.

MRTLE ships an update every 17 months, KYSA every 3 months. The most recent releases landed on May 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | MRTLE | KYSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Size | 10 MB | 136 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Irody Inc.](https://appshunter.io/developer/362460645) | [Hello Thread](https://appshunter.io/developer/996237890) |

## What reviewers say

### MRTLE

[App page](https://appshunter.io/ios/app/mrtle-ole-study/id1537635694)

**Features:** macOS Compatibility

**In-app purchases:** none


### KYSA

[App page](https://appshunter.io/ios/app/kysa-6/id6504346623)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MRTLE free?

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

### Is KYSA free?

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

### Do MRTLE or KYSA have ads?

Neither MRTLE nor KYSA shows ads.

### Which is updated more often, MRTLE or KYSA?

MRTLE ships an update every 17 months, and KYSA every 3 months. Most recently, MRTLE was updated on May 15, 2026 and KYSA on September 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.*