# Mobiess vs Door Data Systems

The clearest difference is iOS requirement: Mobiess at 11.0 against Door Data Systems's 15.1. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Mobiess | Door Data Systems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 131 MB | 40 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobiess Ltd.](https://appshunter.io/developer/1082335596) | [Door Data Systems](https://appshunter.io/developer/1530827741) |

## What reviewers say

### Mobiess

[App page](https://appshunter.io/ios/app/mobiess/id1082335597)

**In-app purchases:** none


### Door Data Systems

[App page](https://appshunter.io/ios/app/door-data-systems/id1538987604)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mobiess free?

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

### Is Door Data Systems free?

Door Data Systems is free to download, with no in-app purchases.

### Do Mobiess or Door Data Systems have ads?

Neither Mobiess nor Door Data Systems shows ads.

### Which is updated more often, Mobiess or Door Data Systems?

Mobiess ships an update every 2 months, and Door Data Systems every 2 months. Most recently, Mobiess was updated on September 17, 2026 and Door Data Systems on September 18, 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.*