# HRV4Training vs SweetBeat HRV

The clearest difference is monetization model: SweetBeat HRV at free against HRV4Training's paid. HRV4Training's advantage is ratings volume (290 vs 24) and chart position (#22 vs unranked). On price, rating, review sentiment and ads there is nothing between them.

HRV4Training costs $9.99 and SweetBeat HRV $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SweetBeat HRV holds the better App Store score, 3.8 against 3.6. That said, the two scores are not equally well evidenced: HRV4Training has 290 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 61% of HRV4Training's written reviews are positive against 65% of SweetBeat HRV's.

HRV4Training ships an update every 6 weeks, SweetBeat HRV every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | HRV4Training | SweetBeat HRV |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [3.6 (290 ratings)](https://appshunter.io/ios/app/hrv4training/id686923970/reviews) | **[3.8 (24 ratings)](https://appshunter.io/ios/app/sweetbeat-hrv/id861966073/reviews)** |
| Number of ratings | **290** | 24 |
| Positive reviews | 60.9% of reviews | **64.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#22** | — |
| Size | 35 MB | 240 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [A.S.M.A. B.V.](https://appshunter.io/developer/1066843463) | [SweetWater Health](https://appshunter.io/developer/492588715) |

## What reviewers say

### HRV4Training

[App page](https://appshunter.io/ios/app/hrv4training/id686923970)

**Currently charting:** #22 Top Paid · Health & Fitness (US App Store)

Quantify stress, balance training and lifestyle, and improve performance with scientifically validated heart rate variability insights. This app accurately assesses HRV using your phone's camera or compatible devices, offering actionable interpretations for optimizing your training plan.

**Highlights:** HRV-based stress quantification, Training and lifestyle balance, Performance improvement insights, Camera-based HRV assessment, Integration with wearables, Training load analysis, VO2max and Lactate Threshold estimation

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate HRV measurements
- 🚀 Straightforward and easy to use
- 💡 Provides valuable insights for training and recovery
- 👍 Integrates well with other fitness apps
- 👍 Responsive and helpful developer support

**What reviewers complain about**

- 🐛 Inconsistent readings and technical issues
- 🔒 Requires user account and data sharing
- 🔒 Concerns about data privacy
- 🔋 Drains battery when using camera for measurements

**Reported bugs**

- App crashes frequently, especially with iOS updates
- Syncing issues with Strava, TrainingPeaks, and Apple Health
- Camera-based measurements often unreliable or inconsistent

**Requested features**

- Allow multiple measurements per day
- Improve integration with Apple Watch and other wearables
- Add more customization options and data visualization
- Expand support for non-athletic use cases


### SweetBeat HRV

[App page](https://appshunter.io/ios/app/sweetbeat-hrv/id861966073)

This app analyzes heart rate variability (HRV) and stress levels to provide insights into your health and how your activities impact it. It requires external hardware for accurate HRV measurement and offers features for stress monitoring, training recommendations, and data export.

**Highlights:** HRV and stress analysis, Real-time stress monitoring, HRV for training recommendations, KardiaMobile 6L integration, RR interval data export, Apple Health data import, Customizable relax screen

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 📊 Extensive and accurate data
- 📈 Detailed HRV metrics (HF, LF, VLF)
- 💨 Respiration rate & heart capacity
- ✨ Beautiful graphics
- 🤝 Fantastic support

**What reviewers complain about**

- 🐛 App is buggy
- 📱 UI issues on specific devices (iPhone SE, iPad)
- 🔄 Upgrade issues
- ❌ Won't pair with devices
- 💸 Redundant hardware required

**Reported bugs**

- App no longer usable on iPhone SE
- App useless on mini iPad
- App no longer functions after upgrade
- Cannot see HRV after upgrade
- New reading shows everything but HRV

**Requested features**

- Improve UI for iPad
- Add swipe functionality for charts
- Customizable HR zones and alarms
- Integrate with workout monitoring apps
- Update app for stability


## Frequently asked questions

### Is HRV4Training free?

HRV4Training costs $9.99, with no in-app purchases.

### Is SweetBeat HRV free?

SweetBeat HRV costs $9.99, with no in-app purchases.

### Which has better reviews, HRV4Training or SweetBeat HRV?

SweetBeat HRV is rated higher. HRV4Training averages 3.6 out of 5 from 290 ratings, while SweetBeat HRV averages 3.8 from 24 ratings.

### Do HRV4Training or SweetBeat HRV have ads?

Neither HRV4Training nor SweetBeat HRV shows ads.

### Which is updated more often, HRV4Training or SweetBeat HRV?

HRV4Training ships an update every 6 weeks, and SweetBeat HRV every 3 months. Most recently, HRV4Training was updated on November 1, 2026 and SweetBeat HRV on November 1, 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.*