# Oventrop vs Buderus ProLibrary

The clearest difference is review sentiment: Buderus ProLibrary at 100% against Oventrop's 44%. Buderus ProLibrary also leads on iOS requirement (12.0 vs 15.6). Oventrop's advantage is update cadence (monthly vs every 22 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Oventrop ships an update monthly, Buderus ProLibrary every 22 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Oventrop | Buderus ProLibrary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oventrop/id396320655/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 22 months |
| Monetization | Free | Free |
| Size | 48 MB | 12 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oventrop GmbH & Co. KG](https://appshunter.io/developer/396298549) | [Bosch Thermotechnik GmbH](https://appshunter.io/developer/456233209) |

## What reviewers say

### Oventrop

[App page](https://appshunter.io/ios/app/oventrop/id396320655)

This app assists with the design, calculation, and documentation of hydronic balancing for heating systems. It supports various standards and regulations, enabling users to calculate valve presets, heating loads, and radiator sizes. Documentation can be generated in PDF format or printed wirelessly.

**Highlights:** Project design with calculations (VdZ, BEG), Heating check according to EnSimiMaV and DIN SPEC 15378, OV-DMC 3 measuring system integration, Simplified heating load calculation (DIN 12831), DIN radiator and thermostatic valve sizing, ErP energy efficiency label creation, PDF documentation and wireless printing

**Features:** macOS Compatibility

**In-app purchases:** none


### Buderus ProLibrary

[App page](https://appshunter.io/ios/app/buderus-prolibrary/id1454663798)

This app offers systematic support for installing and maintaining Buderus systems. Scan product data plates to access specific, comprehensive information and view concise videos detailing processes.

**Highlights:** Systematic installation and maintenance support, Concise instructional videos, Product data plate scanning, Specific product information retrieval, Comprehensive application details

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

**In-app purchases:** none


## Frequently asked questions

### Is Oventrop free?

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

### Is Buderus ProLibrary free?

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

### Do Oventrop or Buderus ProLibrary have ads?

Neither Oventrop nor Buderus ProLibrary shows ads.

### Which is updated more often, Oventrop or Buderus ProLibrary?

Oventrop ships an update monthly, and Buderus ProLibrary every 22 months. Most recently, Oventrop was updated on September 10, 2026 and Buderus ProLibrary on September 17, 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.*