# Olsberg OEC vs BRUNNER EAS3

The clearest difference is update cadence: BRUNNER EAS3 at every 5 months against Olsberg OEC's every 11 months. Olsberg OEC's advantage is iOS requirement (12.0 vs 15.0). 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.

Olsberg OEC ships an update every 11 months, BRUNNER EAS3 every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Olsberg OEC | BRUNNER EAS3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 25 MB | 110 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timpex](https://appshunter.io/developer/1186764661) | [Ulrich Brunner GmbH](https://appshunter.io/developer/1150435660) |

## What reviewers say

### Olsberg OEC

[App page](https://appshunter.io/ios/app/olsberg-oec-smart/id1439932928)

This application allows for the remote control of automatic fireplace regulation systems via Bluetooth. It provides seamless communication for managing your fireplace's burning process.

**Highlights:** Bluetooth communication, Automatic regulation control, Fireplace burning management, Remote operation

**Features:** macOS Compatibility

**In-app purchases:** none


### BRUNNER EAS3

[App page](https://appshunter.io/ios/app/brunner-eas3/id1588084582)

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

**In-app purchases:** none


## Frequently asked questions

### Is Olsberg OEC free?

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

### Is BRUNNER EAS3 free?

BRUNNER EAS3 is free to download, with no in-app purchases.

### Do Olsberg OEC or BRUNNER EAS3 have ads?

Neither Olsberg OEC nor BRUNNER EAS3 shows ads.

### Which is updated more often, Olsberg OEC or BRUNNER EAS3?

Olsberg OEC ships an update every 11 months, and BRUNNER EAS3 every 5 months. Most recently, Olsberg OEC was updated on November 2, 2026 and BRUNNER EAS3 on November 3, 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.*