# Qaly | ECG Reader vs BIDSleep

The clearest difference is review sentiment: Qaly | ECG Reader at 76% against BIDSleep's 25%. Qaly | ECG Reader also leads on rating (4.7 vs 2.0) and ratings volume (861 vs 4). 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.

Qaly | ECG Reader holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Qaly | ECG Reader has 861 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 76% of Qaly | ECG Reader's written reviews are positive against 25% of BIDSleep's.

## The numbers

| Metric | Qaly | ECG Reader | BIDSleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (861 ratings)](https://appshunter.io/ios/app/qaly-ecg-reader/id1542440769/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/bidsleep/id6747012248/reviews) |
| Number of ratings | **861** | 4 |
| Positive reviews | **75.8% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | Free |
| Size | 96 MB | 3 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Qaly, Inc.](https://appshunter.io/developer/1542398773) | [Joyita Dutta](https://appshunter.io/developer/1819386876) |

## 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


### BIDSleep

[App page](https://appshunter.io/ios/app/bidsleep/id6747012248)

This app records heart rate, blood oxygen, and motion data from your Apple Watch for personal wellness tracking. It does not offer analysis or diagnostics, focusing solely on data collection and export.

**Highlights:** Heart rate recording, Blood oxygen (SpO₂) logging, Motion data collection, Optional sleep stage tracking, Data export, Personal self-monitoring

**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 BIDSleep free?

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

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

Qaly | ECG Reader is rated higher. Qaly | ECG Reader averages 4.7 out of 5 from 861 ratings, while BIDSleep averages 2.0 from 4 ratings.

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

Neither Qaly | ECG Reader nor BIDSleep shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*