# Qaly | ECG Reader vs CarDSScan

The clearest difference is ratings volume: Qaly | ECG Reader at 874 against CarDSScan's 1. Qaly | ECG Reader also leads on update cadence (every 2 weeks vs every 2 months). CarDSScan's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CarDSScan holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Qaly | ECG Reader has 874 ratings behind it against 1, so its average is the more settled of the two.

Qaly | ECG Reader ships an update every 2 weeks, CarDSScan every 2 months. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Qaly | ECG Reader | CarDSScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (874 ratings)](https://appshunter.io/ios/app/qaly-ecg-reader/id1542440769/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardsscan/id6751209518/reviews)** |
| Number of ratings | **874** | 1 |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 94 MB | 231 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Qaly, Inc.](https://appshunter.io/developer/1542398773) | [Rohan Khera](https://appshunter.io/developer/1709545475) |

## What reviewers say

### Qaly | ECG Reader

[App page](https://appshunter.io/ios/app/qaly-ecg-reader/id1542440769)

Get your ECGs analyzed by certified experts within minutes for peace of mind. This app supports various devices like Apple Watch and Fitbit, offering detailed interpretations of palpitations and abnormal heart rhythms. Track heart rate variability to monitor stress and recovery.

**Highlights:** Expert ECG interpretation, Supports Apple Watch, Fitbit, Kardia, and more, Analysis of 30+ heart rhythms, Heart rate variability (HRV) tracking, Shareable reports for doctors, Integration with Health app

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick response times
- 👍 Helpful and reassuring technicians
- 💡 Provides peace of mind
- 👍 Detailed and informative ECG analysis
- 👍 Easy to use app

**What reviewers complain about**

- 🐛 Inconsistent ECG analysis
- 🔍 Lack of transparency around pricing
- 🔍 Difficult to cancel subscription
- 🕰️ Long wait times for ECG reviews
- 🔍 Requires access to Apple Health data

**Reported bugs**

- App crashes on launch
- Issues deleting account and data
- Subscription charges not stopping after cancellation

**Requested features**

- Dark mode option
- Ability to view past ECG history
- Integration with more wearable devices
- Option to request a specific technician review


### CarDSScan

[App page](https://appshunter.io/ios/app/cardsscan/id6751209518)

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

**In-app purchases:** none


## Frequently asked questions

### Is Qaly | ECG Reader free?

Qaly | ECG Reader is free to download, with no in-app purchases.

### Is CarDSScan free?

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

### Which has better reviews, Qaly | ECG Reader or CarDSScan?

CarDSScan is rated higher. Qaly | ECG Reader averages 4.7 out of 5 from 874 ratings, while CarDSScan averages 5.0 from 1 ratings.

### Do Qaly | ECG Reader or CarDSScan have ads?

Neither Qaly | ECG Reader nor CarDSScan shows ads.

### Which is updated more often, Qaly | ECG Reader or CarDSScan?

Qaly | ECG Reader ships an update every 2 weeks, and CarDSScan every 2 months. Most recently, Qaly | ECG Reader was updated on October 25, 2026 and CarDSScan on October 16, 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.*