# Polytropic vs Visual.ID

The clearest difference is update cadence: Polytropic at every 3 weeks against Visual.ID's every 4 months. 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.

Polytropic ships an update every 3 weeks, Visual.ID every 4 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Polytropic | Visual.ID |
| --- | --- | --- |
| 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 4 months |
| Monetization | Free | — |
| Size | 251 MB | 5 MB |
| Requires iOS | **14.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polytropic](https://appshunter.io/developer/1613713281) | [ID x LAB](https://appshunter.io/developer/1659449434) |

## 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


### Visual.ID

[App page](https://appshunter.io/ios/app/visualid/id1659827550)

**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 Visual.ID free?

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

### Do Polytropic or Visual.ID have ads?

Neither Polytropic nor Visual.ID shows ads.

### Which is updated more often, Polytropic or Visual.ID?

Polytropic ships an update every 3 weeks, and Visual.ID every 4 months. Most recently, Polytropic was updated on October 11, 2026 and Visual.ID on October 2, 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.*