# PreX Application vs UBAS

The clearest difference is update cadence: PreX Application at every 3 weeks against UBAS's every 5 months. PreX Application also leads on iOS requirement (13.0 vs 15.0). 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.

PreX Application ships an update every 3 weeks, UBAS every 5 months. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PreX Application | UBAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/prex-application/id6624306206/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 40 MB | 46 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yazan Al Kattan](https://appshunter.io/developer/1667734633) | [TheTowerTech](https://appshunter.io/developer/1259751444) |

## What reviewers say

### PreX Application

[App page](https://appshunter.io/ios/app/prex-application/id6624306206)

This application focuses on publishing educational courses online. It provides a platform for educators to share their knowledge and for learners to access a variety of courses.

**Highlights:** Online course publishing, Educational content sharing, Learner access to courses, Platform for educators

**Features:** macOS Compatibility

**In-app purchases:** none


### UBAS

[App page](https://appshunter.io/ios/app/ubas/id6754940869)

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

**In-app purchases:** none


## Frequently asked questions

### Is PreX Application free?

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

### Is UBAS free?

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

### Do PreX Application or UBAS have ads?

Neither PreX Application nor UBAS shows ads.

### Which is updated more often, PreX Application or UBAS?

PreX Application ships an update every 3 weeks, and UBAS every 5 months. Most recently, PreX Application was updated on October 13, 2026 and UBAS on September 30, 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.*