# App.in.den.OP® vs Pedbone

The clearest difference is price: App.in.den.OP® at Free against Pedbone's $1.99. Pedbone's advantage is update cadence (every 8 months vs every 17 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

App.in.den.OP® is free to download; Pedbone costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

App.in.den.OP® ships an update every 17 months, Pedbone every 8 months. The most recent releases landed on December 6, 2025 and September 18, 2026 respectively.

## The numbers

| Metric | App.in.den.OP® | Pedbone |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pedbone/id832444399/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 8 months** |
| Monetization | — | Paid |
| Size | 5 MB | 261 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [BDC Service GmbH](https://appshunter.io/developer/627452862) | [Christian Schramm](https://appshunter.io/developer/372862438) |

## What reviewers say

### App.in.den.OP®

[App page](https://appshunter.io/ios/app/appindenop/id500191527)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pedbone

[App page](https://appshunter.io/ios/app/pedbone/id832444399)

This app serves as an online reference database for pediatric plain film radiography. It includes illustrative cases of various diseases as seen on radiographic films. Future updates plan to add a positioning guide for children.

**Highlights:** Paediatric plain film radiography database, Illustrative disease case examples, Radiographic film analysis, Future positioning guide

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

**In-app purchases:** none


## Frequently asked questions

### Is App.in.den.OP® free?

App.in.den.OP® is free to download, with no in-app purchases.

### Is Pedbone free?

Pedbone costs $1.99, with no in-app purchases.

### Do App.in.den.OP® or Pedbone have ads?

Neither App.in.den.OP® nor Pedbone shows ads.

### Which is updated more often, App.in.den.OP® or Pedbone?

App.in.den.OP® ships an update every 17 months, and Pedbone every 8 months. Most recently, App.in.den.OP® was updated on December 6, 2025 and Pedbone on September 18, 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.*