# Crassus vs Biral ONE.

The clearest difference is update cadence: Biral ONE. at every 2 months against Crassus's every 15 months. 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.

Crassus ships an update every 15 months, Biral ONE. every 2 months. The most recent releases landed on October 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Crassus | Biral ONE. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Size | 76 MB | 74 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crassus GmbH & Co. KG](https://appshunter.io/developer/1475104093) | [Biral](https://appshunter.io/developer/391078663) |

## What reviewers say

### Crassus

[App page](https://appshunter.io/ios/app/crassus/id538410244)

**Features:** macOS Compatibility

**In-app purchases:** none


### Biral ONE.

[App page](https://appshunter.io/ios/app/biral-one/id1465584793)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crassus free?

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

### Is Biral ONE. free?

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

### Do Crassus or Biral ONE. have ads?

Neither Crassus nor Biral ONE. shows ads.

### Which is updated more often, Crassus or Biral ONE.?

Crassus ships an update every 15 months, and Biral ONE. every 2 months. Most recently, Crassus was updated on October 26, 2026 and Biral ONE. on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*