# MyGreenSpace vs myHPP

The clearest difference is rating: myHPP at 5.0 against MyGreenSpace's 3.3. myHPP also leads on ratings volume (18 vs 6) and iOS requirement (13.0 vs 15.6). MyGreenSpace's advantage is update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

myHPP holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 6 and 18 respectively.

MyGreenSpace ships an update monthly, myHPP every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | MyGreenSpace | myHPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/mygreenspace/id6450016610/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/myhpp/id6451392546/reviews)** |
| Number of ratings | 6 | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 67 MB | 159 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Greenphire](https://appshunter.io/developer/1691582987) | [Curatio Networks Inc.](https://appshunter.io/developer/934541182) |

## What reviewers say

### MyGreenSpace

[App page](https://appshunter.io/ios/app/mygreenspace/id6450016610)

Manage your clinical trial participation with this companion app. Access study payments, submit reimbursement requests, complete eConsent, and fill out surveys. Features available depend on your specific study.

**Highlights:** View study payment details, Upload receipts for reimbursement, Complete eConsent, Fill out study surveys and trackers, Access study insights and resources

**In-app purchases:** none


### myHPP

[App page](https://appshunter.io/ios/app/myhpp/id6451392546)

This app assists patients and caregivers managing Hypophosphatasia (HPP). It facilitates disease management and provides a platform for knowledge sharing within the HPP community.

**Highlights:** Disease management tools, Knowledge sharing platform, Patient and caregiver support, HPP community connection

**In-app purchases:** none


## Frequently asked questions

### Is MyGreenSpace free?

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

### Is myHPP free?

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

### Which has better reviews, MyGreenSpace or myHPP?

myHPP is rated higher. MyGreenSpace averages 3.3 out of 5 from 6 ratings, while myHPP averages 5.0 from 18 ratings.

### Do MyGreenSpace or myHPP have ads?

Neither MyGreenSpace nor myHPP shows ads.

### Which is updated more often, MyGreenSpace or myHPP?

MyGreenSpace ships an update monthly, and myHPP every 4 months. Most recently, MyGreenSpace was updated on November 3, 2026 and myHPP on November 3, 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.*