# P.R.O. vs Heart Rate Variability +

The clearest difference is update cadence: P.R.O. at every 6 days against Heart Rate Variability +'s every 4 months. Heart Rate Variability +'s advantage is iOS requirement (16.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. P.R.O. sells 6 in-app purchases, starting at $2.99 per month and Heart Rate Variability + sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

P.R.O. ships an update every 6 days, Heart Rate Variability + every 4 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | P.R.O. | Heart Rate Variability + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro/id6749865568/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 54 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAOTONG TECHNOLOGY (HK) CO., LIMITED](https://appshunter.io/developer/1876779190) | [MD SOFTWARE SERVICES LTD](https://appshunter.io/developer/1843392499) |

## What reviewers say

### P.R.O.

[App page](https://appshunter.io/ios/app/pro/id6749865568)

This AI-powered fitness app analyzes your Apple Health data to provide clear insights, visual reports, and personalized training guidance. Understand your performance, spot trends, and make smarter decisions to improve your fitness across multiple sports.

**Highlights:** AI-powered fitness insights, Visual reports with charts and diagrams, Personalized recommendations, Multi-sport tracking, Long-term performance trends, Goal and progress tracking, Streak tracking and achievements

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (1 month) | $2.99 | per month |
| Pro+ (1 month) | $3.99 | per month |
| Premium (1 month) | $5.99 | per month |
| Pro | $29.99 | per year |
| Pro+ | $39.99 | per year |
| Premium | $59.99 | per year |


### Heart Rate Variability +

[App page](https://appshunter.io/ios/app/heart-rate-variability-plus/id6753306246)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is P.R.O. free?

P.R.O. is free to download, with in-app purchases available.

### Is Heart Rate Variability + free?

Heart Rate Variability + is free to download, with in-app purchases available.

### Do P.R.O. or Heart Rate Variability + have ads?

Neither P.R.O. nor Heart Rate Variability + shows ads.

### Which is updated more often, P.R.O. or Heart Rate Variability +?

P.R.O. ships an update every 6 days, and Heart Rate Variability + every 4 months. Most recently, P.R.O. was updated on October 8, 2026 and Heart Rate Variability + on October 7, 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.*