# Proton MDIS vs Datum Connect

The clearest difference is iOS requirement: Datum Connect at 9.0 against Proton MDIS's 17. 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.

Proton MDIS ships an update every 11 months, Datum Connect every 7 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Proton MDIS | Datum Connect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 7 months** |
| Size | 38 MB | 73 MB |
| Requires iOS | 17 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proton Products (Chengdu) Ltd.](https://appshunter.io/developer/1223858548) | [DATUM ELECTRONICS LTD](https://appshunter.io/developer/1368397156) |

## What reviewers say

### Proton MDIS

[App page](https://appshunter.io/ios/app/proton-mdis/id1485695306)

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

**In-app purchases:** none


### Datum Connect

[App page](https://appshunter.io/ios/app/datum-connect/id1515227079)

**In-app purchases:** none


## Frequently asked questions

### Is Proton MDIS free?

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

### Is Datum Connect free?

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

### Do Proton MDIS or Datum Connect have ads?

Neither Proton MDIS nor Datum Connect shows ads.

### Which is updated more often, Proton MDIS or Datum Connect?

Proton MDIS ships an update every 11 months, and Datum Connect every 7 months. Most recently, Proton MDIS was updated on October 26, 2026 and Datum Connect on October 25, 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.*