# BioForce HRV vs Haiijo

The clearest difference is update cadence: Haiijo at every 3 weeks against BioForce HRV's every 9 months. BioForce HRV's advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BioForce HRV ships an update every 9 months, Haiijo every 3 weeks. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BioForce HRV | Haiijo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (8 ratings)](https://appshunter.io/ios/app/bioforce-hrv/id490419670/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 33 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Performance Sports Inc.](https://appshunter.io/developer/490419673) | [Jonas Smith](https://appshunter.io/developer/1593204250) |

## What reviewers say

### BioForce HRV

[App page](https://appshunter.io/ios/app/bioforce-hrv/id490419670)

This training application helps athletes optimize their performance by measuring heart rate variability. It provides feedback to personalize training volume and intensity for maximum results. Requires a BioForce HRV system purchase and valid account to use.

**Highlights:** Heart rate variability measurement, Training optimization, Personalized training volume, Personalized training intensity, Feedback for training adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


### Haiijo

[App page](https://appshunter.io/ios/app/haiijo/id6544806250)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BioForce HRV free?

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

### Is Haiijo free?

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

### Do BioForce HRV or Haiijo have ads?

Neither BioForce HRV nor Haiijo shows ads.

### Which is updated more often, BioForce HRV or Haiijo?

BioForce HRV ships an update every 9 months, and Haiijo every 3 weeks. Most recently, BioForce HRV was updated on October 23, 2026 and Haiijo on October 12, 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.*