# KVSWinside vs B.One

The clearest difference is update cadence: KVSWinside at fortnightly against B.One's every 5 weeks. B.One's advantage is iOS requirement (15.0 vs 17.0). 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.

KVSWinside ships an update fortnightly, B.One every 5 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KVSWinside | B.One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 74 MB | 102 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Klinikverbund Suedwest gGmbH](https://appshunter.io/developer/1773267876) | [Evangelische Landeskirche in Wurttemberg](https://appshunter.io/developer/1468141561) |

## What reviewers say

### KVSWinside

[App page](https://appshunter.io/ios/app/kvswinside/id6476274136)

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

**In-app purchases:** none


### B.One

[App page](https://appshunter.io/ios/app/bone/id6740525639)

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

**In-app purchases:** none


## Frequently asked questions

### Is KVSWinside free?

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

### Is B.One free?

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

### Do KVSWinside or B.One have ads?

Neither KVSWinside nor B.One shows ads.

### Which is updated more often, KVSWinside or B.One?

KVSWinside ships an update fortnightly, and B.One every 5 weeks. Most recently, KVSWinside was updated on October 9, 2026 and B.One on October 6, 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.*