# KPL-404-C221

> KPL-404-C221 (iPhone/iPad app by ERT, INC.)

- Source: https://appshunter.io/ios/app/kpl-404-c221/id6503333662 (this page in markdown: same URL + `.md`)
- Developer: [ERT, INC](https://appshunter.io/developer/1160214546)
- Category: Medical
- Price: Free
- Age rating: 12+
- Requires: iOS 12.0 · 84 MB
- Languages: English
- Released: 2024-08-27
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/kpl-404-c221/id6503333662/reviews.md

## What is KPL?

This app is intended for patients participating in the KPL-404-C221 study. The purpose is to collect patient reported outcomes relating to a clinical trial researching Sjögren’s disease


## Version history (last 4 releases)

### 2.18.5 (31) — 2024-12-14

Build update

### 2.18.4 (24) — 2024-11-18

Language release- Czech (Czech Republic) [cs_CZ], English (United Kingdom) [en_GB], French (France) [fr_FR], German (Germany) [de_DE], Hungarian (Hungary) [hu_HU], Polish (Poland) [pl_PL]

### 2.18.3 (21) — 2024-09-11

An update to the Injection Diary 5 Digit Vial Minimum Range

### 2.18.2 (17) — 2024-08-27

No release notes.

## More apps by ERT, INC

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- [Mirum MRX 800 MERGE](https://appshunter.io/ios/app/mirum-mrx-800-merge/id1480858320)

All apps by ERT, INC: https://appshunter.io/developer/1160214546

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*