# Health Data Server vs Stromno

The clearest difference is rating: Health Data Server at 3.9 against Stromno's 3.1. Health Data Server also leads on update cadence (weekly vs every 3 months) and review sentiment (82% vs 57%). Stromno's advantage is in-app purchases (none vs 6). On price, ratings volume, ads and device support there is nothing between them.

Health Data Server costs $4.99 and Stromno $4.99 up front. Health Data Server sells 6 in-app purchases, starting at $2.99 per month. Stromno asks for nothing beyond the download.

Health Data Server holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 41 and 24 respectively. Written reviews point the same way: 82% of Health Data Server's written reviews are positive against 57% of Stromno's.

Health Data Server ships an update weekly, Stromno every 3 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Health Data Server | Stromno |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | **[3.9 (41 ratings)](https://appshunter.io/ios/app/health-data-server/id1496042074/reviews)** | [3.1 (24 ratings)](https://appshunter.io/ios/app/stromno/id1538966480/reviews) |
| Number of ratings | **41** | 24 |
| Positive reviews | **81.8% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 1 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPod, Mac, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Aaron DeLory](https://appshunter.io/developer/1496042073) | [Yaroslav Hryniuk](https://appshunter.io/developer/1538966482) |

## What reviewers say

### Health Data Server

[App page](https://appshunter.io/ios/app/health-data-server/id1496042074)

Stream real-time health data from your Apple Watch to your overlay. Display heart rate, calories, and more with customizable animations and sounds. Save workout data to Apple Health.

**Highlights:** Stream heart rate from Apple Watch, Display calories burned, Customizable overlay appearance, Heartbeat animation and sound, Save workout data to Apple Health, Access extensive HealthKit data

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HDS Cloud Monthly | $2.99 | per month |
| HDS Cloud Yearly | $29.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Make Up the Difference | $49.99 | one-time |


### Stromno

[App page](https://appshunter.io/ios/app/stromno/id1538966480)

Broadcast your real-time heart rate from your Apple Watch to live streams on platforms like Twitch and YouTube. Easily set up a customizable widget or overlay for your stream with a simple login code.

**Highlights:** Heart rate streaming from Apple Watch, Live stream integration (Twitch, YouTube), Customizable widget/overlay designs, Easy 1-minute setup, OBS, Twitch Studio, XSplit, Streamlabs OBS compatible, Integrates with Apple Health

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Health Data Server free?

Health Data Server costs $4.99, and also offers in-app purchases.

### Is Stromno free?

Stromno costs $4.99, with no in-app purchases.

### Which has better reviews, Health Data Server or Stromno?

Health Data Server is rated higher. Health Data Server averages 3.9 out of 5 from 41 ratings, while Stromno averages 3.1 from 24 ratings.

### Do Health Data Server or Stromno have ads?

Neither Health Data Server nor Stromno shows ads.

### Which is updated more often, Health Data Server or Stromno?

Health Data Server ships an update weekly, and Stromno every 3 months. Most recently, Health Data Server was updated on September 24, 2026 and Stromno on September 23, 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.*