# IDS Cologne vs Osteology App

The clearest difference is iOS requirement: IDS Cologne at 15.5 against Osteology App's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IDS Cologne | Osteology App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ids-cologne/id1173512659/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 79 MB | 61 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Koelnmesse GmbH](https://appshunter.io/developer/388127984) | [Osteology Stiftung](https://appshunter.io/developer/1880034371) |

## What reviewers say

### IDS Cologne

[App page](https://appshunter.io/ios/app/ids-cologne/id1173512659)

This event guide helps attendees navigate a major dental industry trade show. It provides exhibitor and product directories, a floor plan, and program information. Users can plan their visits, network with other attendees, and schedule meetings.

**Highlights:** Exhibitor and product directory, Interactive floor plan, Event program information, Visit planning with favorites and notes, Networking suggestions and profile management, Meeting scheduling, Real-time notifications for program changes

**In-app purchases:** none


### Osteology App

[App page](https://appshunter.io/ios/app/osteology-app/id6759652837)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDS Cologne free?

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

### Is Osteology App free?

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

### Do IDS Cologne or Osteology App have ads?

Neither IDS Cologne nor Osteology App shows ads.

### Which is updated more often, IDS Cologne or Osteology App?

IDS Cologne ships an update monthly, and Osteology App monthly. Most recently, IDS Cologne was updated on October 21, 2026 and Osteology App on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*