# TROVIS 55Pro vs Elvaco Evo

The clearest difference is iOS requirement: TROVIS 55Pro at 9.0 against Elvaco Evo's 15.0. On price, update cadence, 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.

TROVIS 55Pro ships an update every 8 months, Elvaco Evo every 7 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TROVIS 55Pro | Elvaco Evo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 7 months** |
| Size | 23 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KT-Elektronik, Klaucke und Partner GmbH](https://appshunter.io/developer/943003350) | [Elvaco AB](https://appshunter.io/developer/1590157446) |

## What reviewers say

### TROVIS 55Pro

[App page](https://appshunter.io/ios/app/trovis-55pro/id943003351)

**Features:** macOS Compatibility

**In-app purchases:** none


### Elvaco Evo

[App page](https://appshunter.io/ios/app/elvaco-evo/id6476615765)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TROVIS 55Pro free?

TROVIS 55Pro is free to download, with no in-app purchases.

### Is Elvaco Evo free?

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

### Do TROVIS 55Pro or Elvaco Evo have ads?

Neither TROVIS 55Pro nor Elvaco Evo shows ads.

### Which is updated more often, TROVIS 55Pro or Elvaco Evo?

TROVIS 55Pro ships an update every 8 months, and Elvaco Evo every 7 months. Most recently, TROVIS 55Pro was updated on October 5, 2026 and Elvaco Evo on October 7, 2026.

---

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