# Heart Analyzer vs Rem

The clearest difference is review sentiment: Heart Analyzer at 84% against Rem's 38%. Heart Analyzer also leads on rating (4.7 vs 4.2) and update cadence (weekly vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Heart Analyzer sells 7 in-app purchases, starting at $3.99 per month and Rem sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Heart Analyzer holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Heart Analyzer has 22K ratings behind it against 2.7K, so its average is the more settled of the two. Written reviews point the same way: 84% of Heart Analyzer's written reviews are positive against 38% of Rem's.

Heart Analyzer ships an update weekly, Rem every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Heart Analyzer | Rem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (22K ratings)](https://appshunter.io/ios/app/heart-analyzer-pulse-tracker/id1006420410/reviews)** | [4.2 (2.7K ratings)](https://appshunter.io/ios/app/rem-auto-sleep-tracker-watch/id1534499292/reviews) |
| Number of ratings | **22K** | 2.7K |
| Positive reviews | **84.2% of reviews** | 37.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 54 MB | 102 MB |
| Requires iOS | 17.5 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Helix Apps LTD](https://appshunter.io/developer/1479527439) | [WELLBEINE TECHNOLOGIES INC](https://appshunter.io/developer/1529157912) |

## What reviewers say

### Heart Analyzer

[App page](https://appshunter.io/ios/app/heart-analyzer-pulse-tracker/id1006420410)

Gain deep insights into your heart health using data from your Apple Watch. Visualize trends, analyze metrics like Cardio Recovery and Heart Rate Zones, and generate detailed PDF reports. Offers advanced features and privacy-focused data handling.

**Highlights:** Dashboard with daily summaries, Visualized heart rate and health data charts, Health vital trend assessment, Cardio Recovery and Heart Rate Zone analysis, Exportable PDF heart reports, ECG data comparison, HRV rMSSD and heart rate calibration

**Features:** Family Sharing, Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $19.99 | per year |
| Data Plus | $9.99 | one-time |
| Reports Plus | $9.99 | one-time |
| Analytics Plus | $9.99 | one-time |
| Complete Premium | $24.99 | one-time |
| Lifetime Access | $49.99 | one-time |

**What reviewers like**

- 🚀 Great app for health monitoring
- 👍 Packed with useful information
- 🚀 Excellent visualizations and charts
- 👍 Easy to use and understand
- 👍 Helpful for monitoring heart conditions

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔋 Drains Apple Watch battery
- 🔍 Needs more explanation of metrics
- 🔍 Visuals could be improved for easier reading
- 🔍 Automatic updates to complications not reliable

**Reported bugs**

- Premium features not working as expected
- Syncing issues between iPhone and Apple Watch
- Oxygen level tracking not functioning properly

**Requested features**

- Add blood pressure monitoring
- Allow generating reports for current month
- Improve ECG interpretation guidance
- Add option to customize Apple Watch complications


### Rem

[App page](https://appshunter.io/ios/app/rem-auto-sleep-tracker-watch/id1534499292)

This app automatically tracks your sleep cycles using your Apple Watch, providing detailed analysis of your sleep patterns. It offers insights into sleep quality, disruptions, and heart rate, helping you understand and improve your rest.

**Highlights:** Automatic sleep tracking, Sleep pattern analysis, Snore detection, Sleep score and breakdown, Heart rate analysis, Smart alarm clock

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| 3 Month Subscription | $19.49 | per 3 months |
| 6 Month Subscription | $25.99 | per 6 months |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Rem Premium | $29.99 | per year |
| Yearly Subscription | $59.99 | per year |
| Lifetime Subscription | $49.99 | one-time |

**What reviewers like**

- 🚀 Accurate sleep tracking
- 📊 Detailed sleep data
- 🔍 Helpful for monitoring sleep issues
- 👍 Simple and intuitive interface
- 💤 Tracks naps

**What reviewers complain about**

- 🐛 Inconsistent data recording
- ⏰ Inaccurate sleep/wake times
- 💰 Expensive subscription
- 🔇 Snoring/noise tracking not working
- 🔄 Changing/inconsistent sleep results

**Reported bugs**

- App crashes or freezes
- Disconnection issues with Apple Watch
- Lack of customer support responsiveness

**Requested features**

- Historical sleep data and trends
- Ability to edit sleep times
- Improved smart alarm functionality
- Better integration with Apple Health
- More customization options


## Frequently asked questions

### Is Heart Analyzer free?

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

### Is Rem free?

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

### Which has better reviews, Heart Analyzer or Rem?

Heart Analyzer is rated higher. Heart Analyzer averages 4.7 out of 5 from 22K ratings, while Rem averages 4.2 from 2.7K ratings.

### Do Heart Analyzer or Rem have ads?

Neither Heart Analyzer nor Rem shows ads.

### Which is updated more often, Heart Analyzer or Rem?

Heart Analyzer ships an update weekly, and Rem every 6 weeks. Most recently, Heart Analyzer was updated on October 25, 2026 and Rem on October 25, 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.*