Comparison

Health Data Server vs eCareMD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

eCareMD

Read full description

eCareMD is a chronic care management platform, eCareMD Patient App helps patients to stay connected with their care managers and improve their adherence to programs like CCM, RPM, etc. Disclaimer:- The measurement results given by this APP is not a diagnosis. ALWAYS consult your doctor for evaluation of the results and treatment. DO NOT adjust medication based on readings from this APP. Take medication as prescribed by your physician.

Screenshots

Health Data Server1 screens
eCareMD4 screens

Verdict

The call

The clearest difference is price: eCareMD at Free against Health Data Server's $4.99. eCareMD also leads on in-app purchases (none vs 6). Health Data Server's advantage is update cadence (weekly vs every 3 weeks). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

eCareMD 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. eCareMD asks for nothing beyond the download.

UpkeepUpdate frequency

Health Data Server ships an update weekly, eCareMD every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Health Data Server versus eCareMD: the parameters behind the verdict, then further details
ParameterHealth Data ServereCareMD
Price$4.99Free — better
Rating4.0 (42 ratings) — better—
Positive reviews81.8% of reviews—
Number of ratings42 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size27 MB62 MB
Age rating4+17+
DeveloperAaron DeLoryMedarch Inc

Bugs and requests

Health Data Server

Reported bugs

9 issues
  • Doesn’t work with new Obs
  • Update was not working
  • Bought the app and don't work
  • Purchased app and cannot download it
  • Doesn’t let me set up
Show 4 more
  • The “start” batch file only showed connected and didn’t show any numbers from the Apple Watch
  • Force press then settings comes up but does not let me enter the info to connect
  • When I will install the app on my watch don't work
  • The app is for only series 3+ ??

Requested features

3 requests
  • Ability to have sharper, less compressed icons when uploaded
  • Dark mode option
  • Advanced analytics dashboard

eCareMD

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Health Data Server

Subscriptions2
  • HDS Cloud Monthly7 Days trial$2.991 Month
  • HDS Cloud Yearly$29.991 Year
One-time4
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
Show 1 more
  • Make Up the Difference$49.99
None

eCareMD

No in-app purchases

Questions

Is Health Data Server free?
Health Data Server costs $4.99, and also offers in-app purchases.
Is eCareMD free?
eCareMD is free to download, with no in-app purchases.
Do Health Data Server or eCareMD have ads?
Neither Health Data Server nor eCareMD shows ads.
Which is updated more often, Health Data Server or eCareMD?
Health Data Server ships an update weekly, and eCareMD every 3 weeks. Most recently, Health Data Server was updated on November 7, 2026 and eCareMD on October 30, 2026.

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