# myHPP vs Darwin

The clearest difference is in-app purchases: myHPP at none against Darwin's 2. myHPP also leads on ratings volume (9 vs 3) and iOS requirement (13.0 vs 16.4). Darwin's advantage is update cadence (every 3 days vs every 4 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Darwin sells 2 in-app purchases, starting at $9.99 per month. myHPP asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for myHPP against 5.0 for Darwin. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

myHPP ships an update every 4 months, Darwin every 3 days. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | myHPP | Darwin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/myhpp/id6451392546/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/darwin-adaptive-training/id6790443867/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 159 MB | 55 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Curatio Networks Inc.](https://appshunter.io/developer/934541182) | [Darwin Endurance LLC](https://appshunter.io/developer/6790443869) |

## What reviewers say

### 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


### Darwin

[App page](https://appshunter.io/ios/app/darwin-adaptive-training/id6790443867)

This app creates personalized weekly training plans for endurance athletes, adapting to your actual performance, sleep, and well-being. It rebuilds your schedule each week, offering clear explanations for adjustments and incorporating race-specific training and fueling targets.

**Highlights:** Weekly plan rebuilding, Adaptive volume and intensity, Race-specific session shaping, Carbohydrate fueling targets, Readiness tracking from health data, Plain-language explanations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Darwin | $9.99 | per month |
| Darwin | $79.99 | per year |


## Frequently asked questions

### Is myHPP free?

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

### Is Darwin free?

Darwin is free to download, with in-app purchases available.

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

myHPP and Darwin are both rated 5.0 out of 5 on the App Store, from 9 and 3 ratings respectively.

### Do myHPP or Darwin have ads?

Neither myHPP nor Darwin shows ads.

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

myHPP ships an update every 4 months, and Darwin every 3 days. Most recently, myHPP was updated on September 15, 2026 and Darwin on September 19, 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.*