# ELFS

> ELFS (iPhone/iPad app by Richard Sinnott.)

- Source: https://appshunter.io/ios/app/elfs/id1585597504 (this page in markdown: same URL + `.md`)
- Developer: [Richard Sinnott](https://appshunter.io/developer/1080236817)
- Category: Health & Fitness
- Price: Free
- Age rating: 12+
- Requires: iOS 12.0 · 76 MB
- Languages: English
- Released: 2021-10-05
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/elfs/id1585597504/reviews.md

## What is ELFS?

The ELFS app is a data collection tool designed specifically for the Endometriosis Longitudinal Fertility Study (ELFS).  The App is designed to collect cyclical menstrual, fertility, and pregnancy data for women with moderate-severe endometriosis. Surveys are sent to study participants at individualized time points to track outcomes relevant to their endometriosis diagnosis. The App also includes a calendar to document pain and fertility data.

Trial registration details: ACTRN12621000431820.


## Version history (last 3 releases)

### 1.2 — 2022-07-04

Added Vietnamese and Hebrew translations

### 1.1 — 2021-10-29

Fixed bugs

### 1.0 — 2021-10-05

No release notes.

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| --- | --- | --- | --- |
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| [Only Tans](https://appshunter.io/ios/app/only-tans/id1636383356) | — | Free | Health & Fitness |
| [Pelvic Floor Exercises](https://appshunter.io/ios/app/pelvic-floor-exercises/id1323737966) | 5.0 (2) | Free | Health & Fitness |
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## More apps by Richard Sinnott

- [NAPACApp](https://appshunter.io/ios/app/napacapp/id1100522972)
- [SWARM Mobile](https://appshunter.io/ios/app/swarm-mobile/id1293016428)
- [SWARM Challenge](https://appshunter.io/ios/app/swarm-challenge/id1400121756)
- [SEMA3](https://appshunter.io/ios/app/sema3/id1427120118)
- [Daisy-PCOS](https://appshunter.io/ios/app/daisy-pcos/id1478379214)
- [My Exercise Messages](https://appshunter.io/ios/app/my-exercise-messages/id1529053965)

All apps by Richard Sinnott: https://appshunter.io/developer/1080236817

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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.*