# AU Portal vs Vortex Mobile App

The clearest difference is in-app purchases: AU Portal at none against Vortex Mobile App's 2. AU Portal also leads on iOS requirement (12.4 vs 15.1). Vortex Mobile App's advantage is update cadence (every 11 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Vortex Mobile App sells 2 in-app purchases, starting at $8.99 per month. AU Portal asks for nothing beyond the download.

AU Portal ships an update every 3 months, Vortex Mobile App every 11 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AU Portal | Vortex Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/au-portal/id1522517712/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 27 MB | 46 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [American Underground LLC](https://appshunter.io/developer/1522517714) | [Vortex App LLC](https://appshunter.io/developer/1866158566) |

## What reviewers say

### AU Portal

[App page](https://appshunter.io/ios/app/au-portal/id1522517712)

Connect with fellow members of American Underground, book rooms, and access exclusive benefits, resources, and events. This app is designed for members to enhance their community experience.

**Highlights:** Connect with other startups, Access room bookings, View member benefits, Discover resources, Find upcoming events

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Vortex Mobile App

[App page](https://appshunter.io/ios/app/vortex-mobile-app/id6757330360)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vortex Omega (billed monthly) | $8.99 | per month |
| Vortex Omega (Billed annually) | $83.90 | per year |


## Frequently asked questions

### Is AU Portal free?

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

### Is Vortex Mobile App free?

Vortex Mobile App is free to download, with in-app purchases available.

### Do AU Portal or Vortex Mobile App have ads?

Neither AU Portal nor Vortex Mobile App shows ads.

### Which is updated more often, AU Portal or Vortex Mobile App?

AU Portal ships an update every 3 months, and Vortex Mobile App every 11 days. Most recently, AU Portal was updated on November 3, 2026 and Vortex Mobile App on October 31, 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.*