# e vs BK01 Secure

The clearest difference is update cadence: e at every 6 months against BK01 Secure's every 14 months. e also leads on iOS requirement (12.0 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.

e ships an update every 6 months, BK01 Secure every 14 months. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | e | BK01 Secure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 14 months |
| Size | 10 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BayernLB](https://appshunter.io/developer/968664470) | [First Financial Software GmbH](https://appshunter.io/developer/1528505815) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/eclient/id968664471)

**Features:** macOS Compatibility

**In-app purchases:** none


### BK01 Secure

[App page](https://appshunter.io/ios/app/bk01-secure/id1576480359)

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is BK01 Secure free?

BK01 Secure is free to download, with no in-app purchases.

### Do e or BK01 Secure have ads?

Neither e nor BK01 Secure shows ads.

### Which is updated more often, e or BK01 Secure?

e ships an update every 6 months, and BK01 Secure every 14 months. Most recently, e was updated on September 13, 2026 and BK01 Secure on September 17, 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.*