# Qaly | ECG Reader vs KDNCE

The clearest difference is in-app purchases: Qaly | ECG Reader at none against KDNCE's 2. Qaly | ECG Reader also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. KDNCE sells 2 in-app purchases, starting at $4.99 per month. Qaly | ECG Reader asks for nothing beyond the download.

Qaly | ECG Reader ships an update every 2 weeks, KDNCE monthly. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Qaly | ECG Reader | KDNCE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (871 ratings)](https://appshunter.io/ios/app/qaly-ecg-reader/id1542440769/reviews)** | — |
| Number of ratings | **871** | — |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 94 MB | 6 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Qaly, Inc.](https://appshunter.io/developer/1542398773) | [Bruno Filipe Goncalo Pereira](https://appshunter.io/developer/1885944026) |

## 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


### KDNCE

[App page](https://appshunter.io/ios/app/kdnce/id6760729366)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Qaly | ECG Reader free?

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

### Is KDNCE free?

KDNCE is free to download, with in-app purchases available.

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

Neither Qaly | ECG Reader nor KDNCE shows ads.

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

Qaly | ECG Reader ships an update every 2 weeks, and KDNCE monthly. Most recently, Qaly | ECG Reader was updated on October 22, 2026 and KDNCE on October 15, 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.*