MRTLE vs KYSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MRTLE
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This is an app for people having epilepsy and participate in the MRTLE-OLE Study. Only participants who've previously given their consent to their study coordinator can participate in the research.
KYSA
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This is an app for participants of the KYSA-6 study. You will use this app to complete participant questionnaires and communicate with your study team.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MRTLE | KYSA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 17 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 136 MB |
| Age rating | 17+ | 17+ |
| Developer | Irody Inc. | Hello Thread |
In-app purchases
MRTLE
No in-app purchases
KYSA
No in-app purchases
