# BK01 Secure vs Immo Protokoll

The clearest difference is in-app purchases: BK01 Secure at none against Immo Protokoll's 11. Immo Protokoll's advantage is update cadence (weekly vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Immo Protokoll sells 11 in-app purchases, starting at $12.99 per month. BK01 Secure asks for nothing beyond the download.

BK01 Secure ships an update every 14 months, Immo Protokoll weekly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | BK01 Secure | Immo Protokoll |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 17 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [First Financial Software GmbH](https://appshunter.io/developer/1528505815) | [Primus Vision UG (haftungsbeschrankt)](https://appshunter.io/developer/1548276045) |

## What reviewers say

### BK01 Secure

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

**In-app purchases:** none


### Immo Protokoll

[App page](https://appshunter.io/ios/app/immo-protokoll/id6746203169)

Streamline property handover processes with this app. Easily document every detail of a property, generate official confirmations, and create professional PDF reports. Save time and avoid disputes with clear, digital records for tenants, landlords, and property managers.

**Highlights:** Digital property handover documentation, Generate official confirmations, Detailed room and item tracking, Professional PDF export, Customizable templates and fields, Offline usability, iCloud synchronization

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unternehmenslizenz (1 Monat) | $12.99 | per month |
| Unternehmenslizenz (1 Jahr) | $89.99 | per year |
| Wohnungsgeberbestätigung | $0.49 | one-time |
| 1 Protokoll | $0.49 | one-time |
| 10 Protokolle | $4.99 | one-time |
| 50 Protokolle | $17.99 | one-time |
| Lifetime Willkommensangebot | $22.99 | one-time |
| 100 Protokolle | $29.99 | one-time |
| Lifetime Paket | $44.99 | one-time |
| Unternehmenslizenz Upgrade | $44.99 | one-time |
| Unternehmenslizenz | $89.99 | one-time |


## Frequently asked questions

### Is BK01 Secure free?

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

### Is Immo Protokoll free?

Immo Protokoll is free to download, with in-app purchases available.

### Do BK01 Secure or Immo Protokoll have ads?

Neither BK01 Secure nor Immo Protokoll shows ads.

### Which is updated more often, BK01 Secure or Immo Protokoll?

BK01 Secure ships an update every 14 months, and Immo Protokoll weekly. Most recently, BK01 Secure was updated on September 17, 2026 and Immo Protokoll on September 10, 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.*