# Contech vs PROMEI

The clearest difference is update cadence: PROMEI at every 3 weeks against Contech's every 3 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.

Contech ships an update every 3 months, PROMEI every 3 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Contech | PROMEI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 34 MB | 18 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Contech Automação Comercial](https://appshunter.io/developer/1742981883) | [PROMEI](https://appshunter.io/developer/1780202698) |

## What reviewers say

### Contech

[App page](https://appshunter.io/ios/app/contech/id6499268721)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PROMEI

[App page](https://appshunter.io/ios/app/promei/id6738321362)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Contech free?

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

### Is PROMEI free?

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

### Do Contech or PROMEI have ads?

Neither Contech nor PROMEI shows ads.

### Which is updated more often, Contech or PROMEI?

Contech ships an update every 3 months, and PROMEI every 3 weeks. Most recently, Contech was updated on October 2, 2026 and PROMEI on October 1, 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.*