# Optimal HRV vs Hummingbird Biofeedback

Optimal HRV and Hummingbird Biofeedback are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Optimal HRV sells 3 in-app purchases, starting at $9.99 per month and Hummingbird Biofeedback sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Optimal HRV ships an update fortnightly, Hummingbird Biofeedback monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Optimal HRV | Hummingbird Biofeedback |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 25 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Optimal, LLC](https://appshunter.io/developer/1501292205) | [Samantha Chan](https://appshunter.io/developer/1842619270) |

## What reviewers say

### Optimal HRV

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

This app uses heart rate variability (HRV) and biofeedback to help you manage stress and improve your body's ability to calm down. It offers guided sessions, personalized breathing rhythms, and real-time feedback to train your nervous system for better stress resilience.

**Highlights:** Real-time HRV data and biofeedback, Personalized breathing rhythm identification, Guided mindfulness sessions, Daily check-ins and progress tracking, External sensor integration for accuracy, Multi-language support

**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 |


### Hummingbird Biofeedback

[App page](https://appshunter.io/ios/app/hummingbird-biofeedback/id6762854409)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hummingbird Biofeedback | $29.99 | one-time |


## Frequently asked questions

### Is Optimal HRV free?

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

### Is Hummingbird Biofeedback free?

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

### Do Optimal HRV or Hummingbird Biofeedback have ads?

Neither Optimal HRV nor Hummingbird Biofeedback shows ads.

### Which is updated more often, Optimal HRV or Hummingbird Biofeedback?

Optimal HRV ships an update fortnightly, and Hummingbird Biofeedback monthly. Most recently, Optimal HRV was updated on November 3, 2026 and Hummingbird Biofeedback on October 31, 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.*