Comparison

HF Track vs CarDSScan

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

Head to head
About

HF Track

Features
Read full description

HF Track provides a central hub for your heart failure medications. It can help you keep track of which medications you are on and can help remind you to take your medications through easy to schedule alerts so that fewer doses are missed. It can also help you keep track of blood pressure, weight, heart rate, and upcoming appointments.

About

CarDSScan

This app provides on-device ECG analysis using advanced AI models. It ensures privacy by processing all data locally, with no internet connection or cloud uploads required. Designed for research, it offers two distinct analysis engines for detailed signal understanding.

Highlights
  • On-device AI ECG analysis
  • Offline processing
  • ECG image capture and import
  • Two AI analysis engines (ECG-Vision ATTR, ECG-GPT)
  • Privacy-focused design
  • Secure model downloads
  • Research documentation export
Read full description

CarDSScan delivers research-grade, on-device ECG analysis from the Cardiovascular Data Science (CarDS) Lab. Built for reliability and privacy, CarDSScan runs its machine-learning models entirely on your iPhone - no internet required and no cloud uploads. Two ECG analysis engines ECG-Vision ATTR: Capture or import clear photos of printed or screen-displayed ECGs for fast, fully on-device analysis. ECG-GPT: A transformer-based ECG interpretation model designed for research-grade signal understanding. ECG-GPT runs locally on your device and may require approval for access. Private by design All inference happens locally on your device. ECG images and outputs stay with you unless you explicitly export them. Certain advanced models may be downloaded after approval. Developed by CarDS Lab Models are developed by the Cardiovascular Data Science (CarDS) Lab and have been evaluated across multi-center research datasets. CarDSScan is intended for research use only and is not a medical device. Key Features On-device ML inference (offline; no cloud processing) 12-lead ECG image capture and import ECG-Vision ATTR CNN model and ECG-GPT transformer-based model for research workflows Secure model download for approved users Clean, professional UI designed for study workflows Fast processing with reproducible outputs Optional export for research documentation Who It’s For Research teams, engineers, and clinicians conducting feasibility studies, validation work, and algorithm benchmarking in controlled settings. Privacy at a Glance No automatic data collection No ads, no trackers, no data sale Data stays on device unless you export it Requirements iPhone with camera (iOS 17.6 or later) Important CarDSScan is for research use only. It does not provide medical advice and is not intended for diagnosis or treatment. Do not make clinical decisions based on the app’s outputs.

Screenshots

HF Track4 screens
CarDSScan4 screens

Verdict

The call

The clearest difference is update cadence: HF Track at every 10 days against CarDSScan's every 2 months. HF Track also leads on device support (3 vs 1) and iOS requirement (14.0.0 vs 17.6). On price, ads and in-app purchases 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

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

UpkeepUpdate frequency

HF Track ships an update every 10 days, CarDSScan every 2 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 6 level
HF Track versus CarDSScan: the parameters behind the verdict, then further details
ParameterHF TrackCarDSScan
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0.0 — better17.6
Further details — not scored
Size44 MB231 MB
Age rating17+17+
DeveloperEric YanRohan Khera

In-app purchases

None

HF Track

No in-app purchases

None

CarDSScan

No in-app purchases

Questions

Is HF Track free?
HF Track is free to download, with no in-app purchases.
Is CarDSScan free?
CarDSScan is free to download, with no in-app purchases.
Do HF Track or CarDSScan have ads?
Neither HF Track nor CarDSScan shows ads.
Which is updated more often, HF Track or CarDSScan?
HF Track ships an update every 10 days, and CarDSScan every 2 months. Most recently, HF Track was updated on October 14, 2026 and CarDSScan on October 16, 2026.

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