# b vs Kinzelle

The clearest difference is update cadence: Kinzelle at every 2 weeks against b's every 16 months. b's advantage is iOS requirement (10.0 vs 15.6). 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.

b ships an update every 16 months, Kinzelle every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | b | Kinzelle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 53 MB | 46 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RHT INDUSTRIES LIMITED](https://appshunter.io/developer/1494989445) | [Christian Limanto](https://appshunter.io/developer/1480543015) |

## What reviewers say

### b

[App page](https://appshunter.io/ios/app/b-mola/id1494989446)

Control and monitor your smart air purifiers remotely. Manage power, set timers, and adjust fan speed for optimal indoor air quality. Requires compatible device connection.

**Highlights:** Connect/disconnect mobile device, Switch air purifier on/off, Control turbo power, Set automatic timer, Remote monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Kinzelle

[App page](https://appshunter.io/ios/app/kinzelle/id6475570125)

**In-app purchases:** none


## Frequently asked questions

### Is b free?

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

### Is Kinzelle free?

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

### Do b or Kinzelle have ads?

Neither b nor Kinzelle shows ads.

### Which is updated more often, b or Kinzelle?

b ships an update every 16 months, and Kinzelle every 2 weeks. Most recently, b was updated on October 24, 2026 and Kinzelle on October 30, 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.*