# Ellips Access vs BK400

The clearest difference is update cadence: BK400 at weekly against Ellips Access's every 3 weeks. BK400 also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ellips Access ships an update every 3 weeks, BK400 weekly. The most recent releases landed on September 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ellips Access | BK400 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 3 MB | 21 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ellips](https://appshunter.io/developer/1847708680) | [祖策 谢](https://appshunter.io/developer/983519195) |

## What reviewers say

### Ellips Access

[App page](https://appshunter.io/ios/app/ellips-access/id6756549419)

**Features:** macOS Compatibility

**In-app purchases:** none


### BK400

[App page](https://appshunter.io/ios/app/bk400/id6760681499)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ellips Access free?

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

### Is BK400 free?

BK400 is free to download, with no in-app purchases.

### Do Ellips Access or BK400 have ads?

Neither Ellips Access nor BK400 shows ads.

### Which is updated more often, Ellips Access or BK400?

Ellips Access ships an update every 3 weeks, and BK400 weekly. Most recently, Ellips Access was updated on September 16, 2026 and BK400 on October 25, 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.*