# Polytropic vs TravelFolio

The clearest difference is in-app purchases: Polytropic at none against TravelFolio's 1. Polytropic also leads on device support (3 vs 1) and iOS requirement (14.2 vs 16.0). On price and ads there is nothing between them.

Both are free to download. TravelFolio sells 1 in-app purchase, starting at $4.99 per year. Polytropic asks for nothing beyond the download.

## The numbers

| Metric | Polytropic | TravelFolio |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 251 MB | 4 MB |
| Requires iOS | **14.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Polytropic](https://appshunter.io/developer/1613713281) | [Kareena Rogers](https://appshunter.io/developer/1708659865) |

## 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


### TravelFolio

[App page](https://appshunter.io/ios/app/travelfolio/id6759146738)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TravelFolio Premium | $4.99 | per year |


## Frequently asked questions

### Is Polytropic free?

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

### Is TravelFolio free?

TravelFolio is free to download, with in-app purchases available.

### Do Polytropic or TravelFolio have ads?

Neither Polytropic nor TravelFolio shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*