# Oventrop vs blossomic

The clearest difference is review sentiment: Oventrop at 44% against blossomic's 23%. 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 September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Oventrop | blossomic |
| --- | --- | --- |
| 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** | 22.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 48 MB | 8 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oventrop GmbH & Co. KG](https://appshunter.io/developer/396298549) | [Jifuh Sheen](https://appshunter.io/developer/1081738889) |

## 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


### blossomic

[App page](https://appshunter.io/ios/app/blossomic/id1081738890)

Control your heating system remotely with this app. It offers three pre-set heating programs and uses motion sensors to automatically adjust temperature based on occupancy, saving energy and enhancing comfort.

**Highlights:** Remote heating control, Three heating programs (Comfort, Economy, Night), Motion sensor integration, Automatic temperature adjustment, Intuitive user interface, Supports various heating systems

**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 blossomic free?

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

### Do Oventrop or blossomic have ads?

Neither Oventrop nor blossomic shows ads.

### Which is updated more often, Oventrop or blossomic?

Oventrop ships an update monthly, and blossomic monthly. Most recently, Oventrop was updated on September 29, 2026 and blossomic on October 12, 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.*