# Techno System vs MUT SELECTION

The clearest difference is update cadence: Techno System at every 19 months against MUT SELECTION's every 39 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.

Techno System ships an update every 19 months, MUT SELECTION every 39 months. The most recent releases landed on June 3, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Techno System | MUT SELECTION |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 19 months** | Every 39 months |
| Monetization | Free | — |
| Size | 10 MB | 99 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TNX srl](https://appshunter.io/developer/460967609) | [MUT MECCANICA TOVO SPA](https://appshunter.io/developer/1675835772) |

## 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


### MUT SELECTION

[App page](https://appshunter.io/ios/app/mut-selection/id6446083794)

**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 MUT SELECTION free?

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

### Do Techno System or MUT SELECTION have ads?

Neither Techno System nor MUT SELECTION shows ads.

### Which is updated more often, Techno System or MUT SELECTION?

Techno System ships an update every 19 months, and MUT SELECTION every 39 months. Most recently, Techno System was updated on June 3, 2026 and MUT SELECTION on May 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.*