Health Data Server vs Trample
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Health Data Server
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.
- 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
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The watch app requires watchOS 8+ This app was built to get heart rate, calories, and more from your watch into a stream overlay. It does this by sending the data to HDS Cloud (or an IP address/port you specify). A website hosted at hds.dev can be used as a browser source in OBS to show the data. This app can save workout data to Apple Health Features: - Show your heart rate on stream with just an Apple Watch. No extra heart rate monitors required. - The app will only affect your Activity Rings if calories are enabled - Heart rate color ranges. Know where your heart rate is at a glance. - The overlay app comes with a plethora of customization options. Make your overlay look however you want. - The overlay comes with a heart beat animation that matches your real heart rate - The overlay can also play sounds to go along with the heart beat animation - Even more data for advanced users: - Motion - Every single HKQuantityTypeIdentifier available in HealthKit (so pretty much anything) Go to https://github.com/Rexios80/hds_overlay for information on how to set up the overlay.
Trample
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Trample is a step counter that lets you compete with your friend. Add a widget to you homescreen to see the latest tally and get a notification when you are behind on steps for the day.
Screenshots
Verdict
The clearest difference is price: Trample at Free against Health Data Server's $4.99. Trample also leads on in-app purchases (none vs 6). Health Data Server's advantage is device support (4 vs 1) and iOS requirement (14.0 vs 26.2). On update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Trample is free to download; Health Data Server costs $4.99 up front. Health Data Server sells 6 in-app purchases, starting at $2.99 per month. Trample asks for nothing beyond the download.
Health Data Server ships an update weekly, Trample every 9 days. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.
| Parameter | Health Data Server | Trample |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.9 (41 ratings) — better | — |
| Positive reviews | 81.8% of reviews | — |
| Number of ratings | 41 — better | — |
| Update frequency | Weekly — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod, Mac, Apple Watch — better | iPhone |
| Requires iOS | 14.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 27 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Aaron DeLory | Fulco Taen |
In-app purchases
Health Data Server
- HDS Cloud Monthly7 Days trial$2.991 Month
- HDS Cloud Yearly$29.991 Year
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
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- Make Up the Difference$49.99
Trample
No in-app purchases
