# Optimal HRV vs BrainCalm

The clearest difference is in-app purchases: BrainCalm at none against Optimal HRV's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Optimal HRV sells 3 in-app purchases, starting at $9.99 per month. BrainCalm asks for nothing beyond the download.

Optimal HRV ships an update fortnightly, BrainCalm monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Optimal HRV | BrainCalm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (24 ratings)](https://appshunter.io/ios/app/optimal-hrv-biofeedback/id1501292206/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Optimal, LLC](https://appshunter.io/developer/1501292205) | [Davide Del Vento](https://appshunter.io/developer/1716445402) |

## What reviewers say

### Optimal HRV

[App page](https://appshunter.io/ios/app/optimal-hrv-biofeedback/id1501292206)

Monitor, analyze, and improve your Heart Rate Variability (HRV) scores. This app offers personalized training, biofeedback, and stress-reducing activities to enhance health, reduce stress, and improve mental clarity.

**Highlights:** Real-time HRV monitoring, Personalized training plans, Guided meditation and breathing exercises, Comprehensive data analysis, Stress response insights, Biofeedback optimization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $9.99 | per month |
| 6 Month | $47.99 | per 6 months |
| One Year | $59.99 | per year |


### BrainCalm

[App page](https://appshunter.io/ios/app/braincalm/id6480380910)

**In-app purchases:** none


## Frequently asked questions

### Is Optimal HRV free?

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

### Is BrainCalm free?

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

### Do Optimal HRV or BrainCalm have ads?

Neither Optimal HRV nor BrainCalm shows ads.

### Which is updated more often, Optimal HRV or BrainCalm?

Optimal HRV ships an update fortnightly, and BrainCalm monthly. Most recently, Optimal HRV was updated on October 8, 2026 and BrainCalm 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.*