# BK01 Secure vs Energie Preise

The clearest difference is update cadence: BK01 Secure at every 14 months against Energie Preise's every 45 months. Energie Preise's advantage is iOS requirement (12.4 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.

BK01 Secure ships an update every 14 months, Energie Preise every 45 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | BK01 Secure | Energie Preise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 45 months |
| Size | 1 MB | 16 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [First Financial Software GmbH](https://appshunter.io/developer/1528505815) | [Energie Revision GmbH](https://appshunter.io/developer/1616504827) |

## What reviewers say

### BK01 Secure

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

**In-app purchases:** none


### Energie Preise

[App page](https://appshunter.io/ios/app/energie-preise/id1616504585)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BK01 Secure free?

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

### Is Energie Preise free?

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

### Do BK01 Secure or Energie Preise have ads?

Neither BK01 Secure nor Energie Preise shows ads.

### Which is updated more often, BK01 Secure or Energie Preise?

BK01 Secure ships an update every 14 months, and Energie Preise every 45 months. Most recently, BK01 Secure was updated on October 27, 2026 and Energie Preise on October 27, 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.*