# ONE B vs known official

ONE B and known official 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. Neither carries in-app purchases, so what you see is what you pay.

ONE B ships an update fortnightly, known official every 3 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | ONE B | known official |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 87 MB | 49 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bacardi-Martini B.V.](https://appshunter.io/developer/1453095524) | [Andrew Jevin](https://appshunter.io/developer/1828746692) |

## What reviewers say

### ONE B

[App page](https://appshunter.io/ios/app/one-b/id6475880718)

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

**In-app purchases:** none


### known official

[App page](https://appshunter.io/ios/app/known-official/id6749086028)

**In-app purchases:** none


## Frequently asked questions

### Is ONE B free?

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

### Is known official free?

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

### Do ONE B or known official have ads?

Neither ONE B nor known official shows ads.

### Which is updated more often, ONE B or known official?

ONE B ships an update fortnightly, and known official every 3 weeks. Most recently, ONE B was updated on September 23, 2026 and known official on September 23, 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.*