# Bivryn Biological Intelligence vs Volo Cardio

The clearest difference is update cadence: Bivryn Biological Intelligence at every 2 weeks against Volo Cardio's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bivryn Biological Intelligence sells 2 in-app purchases, starting at $6.99 per month and Volo Cardio sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Bivryn Biological Intelligence ships an update every 2 weeks, Volo Cardio every 5 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Bivryn Biological Intelligence | Volo Cardio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 24 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Amita Dhand](https://appshunter.io/developer/1437246199) | [Mikkel Kornval Christoffersen](https://appshunter.io/developer/1750194044) |

## What reviewers say

### Bivryn Biological Intelligence

[App page](https://appshunter.io/ios/app/bivryn-biological-intelligence/id6774502017)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bivryn Premium Monthly | $6.99 | per month |
| Bivryn Premium Annual | $39.99 | per year |


### Volo Cardio

[App page](https://appshunter.io/ios/app/volo-cardio/id6787090145)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volo Premium (Monthly) | $1.99 | per month |
| Volo Premium (Yearly) | $14.99 | per year |


## Frequently asked questions

### Is Bivryn Biological Intelligence free?

Bivryn Biological Intelligence is free to download, with in-app purchases available.

### Is Volo Cardio free?

Volo Cardio is free to download, with in-app purchases available.

### Do Bivryn Biological Intelligence or Volo Cardio have ads?

Neither Bivryn Biological Intelligence nor Volo Cardio shows ads.

### Which is updated more often, Bivryn Biological Intelligence or Volo Cardio?

Bivryn Biological Intelligence ships an update every 2 weeks, and Volo Cardio every 5 weeks. Most recently, Bivryn Biological Intelligence was updated on November 5, 2026 and Volo Cardio on November 10, 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.*