# ESSENTIAL3 — For Essential3 participants

> For Essential3 participants (iPhone/iPad app by Hello Thread.)

- Source: https://appshunter.io/ios/app/essential3/id6471818938 (this page in markdown: same URL + `.md`)
- Developer: [Hello Thread](https://appshunter.io/developer/996237890)
- Category: Medical, Health & Fitness
- Price: Free
- Age rating: 17+
- Requires: iOS 15.0 · 136 MB
- Languages: Afrikaans, Amharic, Arabic, Belarusian, Bulgarian, Croatian, Czech, Danish, Dutch, English and 37 more
- Released: 2023-11-28
- Data updated: 2026-02-25
- User reviews in markdown: https://appshunter.io/ios/app/essential3/id6471818938/reviews.md

## What is ESSENTIAL3?

The Essential3 study app will be used by participants through the study to complete study activities


## Version history (last 4 releases)

### 4.0 — 2024-12-30

On-Demand Activity Improvement

### 3.0 — 2024-09-26

iOS 18 compatibility

### 2.0 — 2024-01-25

Updates to notifications

### 1.0 — 2023-11-28

No release notes.

## Apps similar to ESSENTIAL3

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Kardia](https://appshunter.io/ios/app/kardia/id579769143) | 4.8 (206,059) | Free | Medical |
| [Inspire Sleep](https://appshunter.io/ios/app/inspire-sleep/id1496382762) | 3.1 (224) | Free | Medical |
| [KardiaStation Professional](https://appshunter.io/ios/app/kardiastation-professional/id1506760797) | 3.0 (42) | Free | Medical |
| [KardiaRx](https://appshunter.io/ios/app/kardiarx/id1571374454) | 4.2 (19) | Free | Medical |

## More apps by Hello Thread

- [The Duchenne Registry](https://appshunter.io/ios/app/the-duchenne-registry/id1473205578)
- [IED Log](https://appshunter.io/ios/app/ied-log/id1500234267)
- [HELIOS-A](https://appshunter.io/ios/app/helios/id1528146060)
- [FINEARTS-HF #20103](https://appshunter.io/ios/app/finearts/id1536715345)
- [Abbott SMBG Study](https://appshunter.io/ios/app/abbott-smbg-study/id1536721001)
- [T1D Trial](https://appshunter.io/ios/app/t1d-trial/id1540940479)

All apps by Hello Thread: https://appshunter.io/developer/996237890

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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 2026-02-25.*