# OMR vs iC4

The clearest difference is update cadence: OMR at weekly against iC4's every 2 months. 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.

OMR ships an update weekly, iC4 every 2 months. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OMR | iC4 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 83 MB | 50 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OMR by Ramp106 GmbH](https://appshunter.io/developer/1321891949) | [iChallenge UG haftungsbeschrankt](https://appshunter.io/developer/1579682503) |

## What reviewers say

### OMR

[App page](https://appshunter.io/ios/app/omr/id1461182614)

This app serves as a comprehensive guide for the OMR Festival, providing event schedules, exhibitor and speaker details, and a personalized program builder. Navigate the festival grounds with an interactive floor plan and discover industry leaders.

**Highlights:** Personalized schedule builder, Exhibitor and speaker profiles, Interactive floor plan, Full event timetable, Latest news and information

**Features:** Vision Pro support

**In-app purchases:** none


### iC4

[App page](https://appshunter.io/ios/app/ic4/id1505985073)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OMR free?

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

### Is iC4 free?

iC4 is free to download, with no in-app purchases.

### Do OMR or iC4 have ads?

Neither OMR nor iC4 shows ads.

### Which is updated more often, OMR or iC4?

OMR ships an update weekly, and iC4 every 2 months. Most recently, OMR was updated on October 19, 2026 and iC4 on October 6, 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.*