# SEI Conferences vs PE Prep Pro

The clearest difference is price: SEI Conferences at Free against PE Prep Pro's $34.99. SEI Conferences also leads on iOS requirement (11.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

SEI Conferences is free to download; PE Prep Pro costs $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SEI Conferences | PE Prep Pro |
| --- | --- | --- |
| Price | **Free** | $34.99 |
| Rating | — | **[2.0 (2 ratings)](https://appshunter.io/ios/app/pe-prep-pro/id6746470072/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Paid |
| Size | 38 MB | 31 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [American Society of Civil Engineers](https://appshunter.io/developer/494066578) | [Examp, LLC](https://appshunter.io/developer/1479303574) |

## What reviewers say

### SEI Conferences

[App page](https://appshunter.io/ios/app/sei-conferences/id1609985578)

**Features:** macOS Compatibility

**In-app purchases:** none


### PE Prep Pro

[App page](https://appshunter.io/ios/app/pe-prep-pro/id6746470072)

This comprehensive exam preparation system offers over 1,400 realistic practice questions across 16 engineering disciplines. It provides detailed performance analytics to pinpoint weak areas and includes essential code summaries for offline study.

**Highlights:** 1,400+ realistic exam questions, 16 major engineering disciplines, Performance analytics, Offline functionality, Essential code summaries

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

**In-app purchases:** none


## Frequently asked questions

### Is SEI Conferences free?

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

### Is PE Prep Pro free?

PE Prep Pro costs $34.99, with no in-app purchases.

### Do SEI Conferences or PE Prep Pro have ads?

Neither SEI Conferences nor PE Prep Pro shows ads.

### Which is updated more often, SEI Conferences or PE Prep Pro?

SEI Conferences ships an update every 3 weeks, and PE Prep Pro every 3 weeks. Most recently, SEI Conferences was updated on October 1, 2026 and PE Prep Pro on October 2, 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.*