# ENDO1000 vs Pure

The clearest difference is update cadence: ENDO1000 at every 8 days against Pure's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ENDO1000 ships an update every 8 days, Pure every 7 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ENDO1000 | Pure |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 7 months |
| Monetization | Free | — |
| Size | 42 MB | 56 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The University of Edinburgh](https://appshunter.io/developer/428517240) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### ENDO1000

[App page](https://appshunter.io/ios/app/endo1000/id6752020204)

This app supports endometriosis research by allowing participants to track symptoms and complete study tasks. It also offers educational resources and community insights for anyone seeking information about the condition.

**Highlights:** Symptom and pain tracking, Study questionnaires, Progress tracking, Educational content, Research updates, Secure data handling

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pure

[App page](https://appshunter.io/ios/app/pure-studios/id6753940596)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ENDO1000 free?

ENDO1000 is free to download, with no in-app purchases.

### Is Pure free?

Pure is free to download, with no in-app purchases.

### Do ENDO1000 or Pure have ads?

Neither ENDO1000 nor Pure shows ads.

### Which is updated more often, ENDO1000 or Pure?

ENDO1000 ships an update every 8 days, and Pure every 7 months. Most recently, ENDO1000 was updated on October 9, 2026 and Pure on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*