# Polytropic vs Stûv Pellets

Polytropic and Stûv Pellets are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Stûv Pellets monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Polytropic | Stûv Pellets |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free | — |
| Size | 251 MB | 42 MB |
| Requires iOS | **14.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polytropic](https://appshunter.io/developer/1613713281) | [Atlanse Portugal App. Development Services](https://appshunter.io/developer/1369910851) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Stûv Pellets

[App page](https://appshunter.io/ios/app/stuv-pellets/id1640676391)

**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 Stûv Pellets free?

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

### Do Polytropic or Stûv Pellets have ads?

Neither Polytropic nor Stûv Pellets shows ads.

### Which is updated more often, Polytropic or Stûv Pellets?

Polytropic ships an update every 3 weeks, and Stûv Pellets monthly. Most recently, Polytropic was updated on November 3, 2026 and Stûv Pellets 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.*