# Techno System vs myCoolblue

The clearest difference is update cadence: myCoolblue at every 3 months against Techno System's every 19 months. myCoolblue also leads on iOS requirement (8.0 vs 13.0). Techno System's advantage is device support (3 vs 1). On price, review sentiment, 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.

Techno System ships an update every 19 months, myCoolblue every 3 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Techno System | myCoolblue |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 10 MB | 201 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [TNX srl](https://appshunter.io/developer/460967609) | [Condair GmbH](https://appshunter.io/developer/903871077) |

## What reviewers say

### Techno System

[App page](https://appshunter.io/ios/app/techno-system/id1083928221)

This application assists users in identifying suitable plate heat exchangers for standard civilian uses. It also facilitates contact with technical support for industrial applications and helps locate nearby suppliers. Additional features include a unit converter and a comparison tool for exchangers.

**Highlights:** Identify heat exchangers for civilian applications, Contact tech support for industrial applications, Find closest supplier, Technical measurement unit conversion, Compare Techno System exchangers

**Features:** macOS Compatibility

**In-app purchases:** none


### myCoolblue

[App page](https://appshunter.io/ios/app/mycoolblue/id1129809444)

This simulation tool helps estimate annual energy needs for cooling and dehumidifying ventilation system supply air. It allows for early project planning by calculating potential energy savings from indirect evaporative cooling based on local weather data.

**Highlights:** Energy use simulation for evaporative cooling, Estimate annual cooling and dehumidification energy, Calculate potential energy savings, Utilize location-specific weather data, Export results via email or AirPrint

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Techno System free?

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

### Is myCoolblue free?

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

### Do Techno System or myCoolblue have ads?

Neither Techno System nor myCoolblue shows ads.

### Which is updated more often, Techno System or myCoolblue?

Techno System ships an update every 19 months, and myCoolblue every 3 months. Most recently, Techno System was updated on October 9, 2026 and myCoolblue on October 11, 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.*