# Bemis Charge Hub vs Knmaster

The clearest difference is update cadence: Knmaster at every 6 days against Bemis Charge Hub's every 2 months. Bemis Charge Hub's advantage is iOS requirement (13.0 vs 15.0). 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.

Bemis Charge Hub ships an update every 2 months, Knmaster every 6 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Bemis Charge Hub | Knmaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 36 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bemis Teknik Elektrik A.Ş.](https://appshunter.io/developer/1771322200) | [Zekai Demir](https://appshunter.io/developer/1861931895) |

## What reviewers say

### Bemis Charge Hub

[App page](https://appshunter.io/ios/app/bemis-charge-hub/id6733216264)

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

**In-app purchases:** none


### Knmaster

[App page](https://appshunter.io/ios/app/knmaster/id6804530125)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bemis Charge Hub free?

Bemis Charge Hub is free to download, with no in-app purchases.

### Is Knmaster free?

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

### Do Bemis Charge Hub or Knmaster have ads?

Neither Bemis Charge Hub nor Knmaster shows ads.

### Which is updated more often, Bemis Charge Hub or Knmaster?

Bemis Charge Hub ships an update every 2 months, and Knmaster every 6 days. Most recently, Bemis Charge Hub was updated on October 7, 2026 and Knmaster on October 4, 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.*