MRTLE vs TT420C2308 / FIRST
Price, ratings, monetisation and update history for both apps, side by side โ 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.
TT420C2308 / FIRST
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You are invited to participate in the TransThera Sciences TT420C2308 study. The TransThera Sciences eCOA App is intended for collection of patient-reported outcomes and the completion of patient diaries relating to the TT420C2308 clinical trial. Patients must be given accounts by a participating site in order to log in to the app.
Screenshots
Verdict
The clearest difference is update cadence: TT420C2308 / FIRST at every 3 months against MRTLE's every 17 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท 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, TT420C2308 / FIRST every 3 months. The most recent releases landed on May 15, 2026 and June 21, 2026 respectively.
| Parameter | MRTLE | TT420C2308 / FIRST |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 17 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 13.0 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 10 MB | 69 MB |
| Age rating | 17+ | 12+ |
| Developer | Irody Inc. | ERT, INC |
In-app purchases
MRTLE
No in-app purchases
TT420C2308 / FIRST
No in-app purchases







