# PAAI Windows vs Vortex Express

The clearest difference is update cadence: PAAI Windows at fortnightly against Vortex Express's every 5 weeks. Vortex Express's advantage is iOS requirement (15.1 vs 17.2). 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.

PAAI Windows ships an update fortnightly, Vortex Express every 5 weeks. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PAAI Windows | Vortex Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vortex-express/id6756391280/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 97 MB | 96 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PAAI Metrics, LLC](https://appshunter.io/developer/1770429769) | [Vortex Express LLC](https://appshunter.io/developer/1860421829) |

## What reviewers say

### PAAI Windows

[App page](https://appshunter.io/ios/app/paai-windows/id6717581911)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vortex Express

[App page](https://appshunter.io/ios/app/vortex-express/id6756391280)

Manage your car wash membership, purchase single washes, or buy gift cards. Find locations, track your wash history, and get exclusive deals. Enjoy fast, secure, and contactless payments for a hassle-free experience.

**Highlights:** Manage car wash membership, Purchase single washes and gift cards, Track wash history, Find locations, Real-time updates and deals, Secure payments

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

**In-app purchases:** none


## Frequently asked questions

### Is PAAI Windows free?

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

### Is Vortex Express free?

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

### Do PAAI Windows or Vortex Express have ads?

Neither PAAI Windows nor Vortex Express shows ads.

### Which is updated more often, PAAI Windows or Vortex Express?

PAAI Windows ships an update fortnightly, and Vortex Express every 5 weeks. Most recently, PAAI Windows was updated on October 16, 2026 and Vortex Express on October 11, 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.*