# BDK vs InsideX

The clearest difference is update cadence: InsideX at fortnightly against BDK's every 6 months. BDK's advantage is iOS requirement (15.6 vs 17.0). 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.

BDK ships an update every 6 months, InsideX fortnightly. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | BDK | InsideX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 36 MB | 83 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bund Deutscher Kriminalbeamter](https://appshunter.io/developer/1737796676) | [FitX Verwaltung GmbH](https://appshunter.io/developer/1641136360) |

## What reviewers say

### BDK

[App page](https://appshunter.io/ios/app/bdk/id6479994884)

**Features:** macOS Compatibility

**In-app purchases:** none


### InsideX

[App page](https://appshunter.io/ios/app/insidex/id6747344984)

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

**In-app purchases:** none


## Frequently asked questions

### Is BDK free?

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

### Is InsideX free?

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

### Do BDK or InsideX have ads?

Neither BDK nor InsideX shows ads.

### Which is updated more often, BDK or InsideX?

BDK ships an update every 6 months, and InsideX fortnightly. Most recently, BDK was updated on September 9, 2026 and InsideX on September 15, 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.*