# Velix Mobility vs IDD / IADS

The clearest difference is update cadence: Velix Mobility at monthly against IDD / IADS's every 4 months. Velix Mobility also leads on iOS requirement (12.0 vs 15.6). 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.

Velix Mobility ships an update monthly, IDD / IADS every 4 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Velix Mobility | IDD / IADS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 67 MB | 31 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Locaventure NV](https://appshunter.io/developer/1382661958) | [Professional Dive Association Holding B.V.](https://appshunter.io/developer/1673748453) |

## What reviewers say

### Velix Mobility

[App page](https://appshunter.io/ios/app/velix-mobility/id1583939099)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### IDD / IADS

[App page](https://appshunter.io/ios/app/idd-iads/id1673748451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Velix Mobility free?

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

### Is IDD / IADS free?

IDD / IADS is free to download, with no in-app purchases.

### Do Velix Mobility or IDD / IADS have ads?

Neither Velix Mobility nor IDD / IADS shows ads.

### Which is updated more often, Velix Mobility or IDD / IADS?

Velix Mobility ships an update monthly, and IDD / IADS every 4 months. Most recently, Velix Mobility was updated on October 7, 2026 and IDD / IADS on October 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.*