# Polytropic vs Bluematic

The clearest difference is iOS requirement: Polytropic at 14.2 against Bluematic'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.

Polytropic ships an update every 3 weeks, Bluematic every 2 weeks. The most recent releases landed on June 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Polytropic | Bluematic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/polytropic/id1613713279/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 4.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 250 MB | 107 MB |
| Requires iOS | **14.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [polytropic](https://appshunter.io/developer/1613713281) | [Blue drops](https://appshunter.io/developer/1682044564) |

## What reviewers say

### Polytropic

[App page](https://appshunter.io/ios/app/polytropic/id1613713279)

This app provides secure remote management for heat pumps, enabling supervision, preventive maintenance, and easy adjustments. It offers an intuitive interface for monitoring machine status, temperatures, and operating modes, with data stored for five years.

**Highlights:** Secure remote heat pump management, Preventive maintenance and diagnostics, Remote parameter adjustment and optimization, Real-time status monitoring, Error code feedback and proactive service, Data storage for 5 years, Remote water treatment management

**In-app purchases:** none


### Bluematic

[App page](https://appshunter.io/ios/app/bluematic/id6447632432)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polytropic free?

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

### Is Bluematic free?

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

### Do Polytropic or Bluematic have ads?

Neither Polytropic nor Bluematic shows ads.

### Which is updated more often, Polytropic or Bluematic?

Polytropic ships an update every 3 weeks, and Bluematic every 2 weeks. Most recently, Polytropic was updated on June 10, 2026 and Bluematic on September 19, 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.*