# Electrical Engineering Review vs John Orr Engineering School

The clearest difference is update cadence: John Orr Engineering School at every 2 weeks against Electrical Engineering Review's every 18 months. Electrical Engineering Review's advantage is iOS requirement (14.0 vs 16.0). 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.

Electrical Engineering Review ships an update every 18 months, John Orr Engineering School every 2 weeks. The most recent releases landed on September 5, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Electrical Engineering Review | John Orr Engineering School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Size | 446 MB | 53 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Rex Banggawan](https://appshunter.io/developer/1516403954) | [Nextnow Group (Pty) Ltd](https://appshunter.io/developer/1550928706) |

## What reviewers say

### Electrical Engineering Review

[App page](https://appshunter.io/ios/app/electrical-engineering-review/id6502630073)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### John Orr Engineering School

[App page](https://appshunter.io/ios/app/john-orr-engineering-school/id6741505975)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Engineering Review free?

Electrical Engineering Review is free to download, with no in-app purchases.

### Is John Orr Engineering School free?

John Orr Engineering School is free to download, with no in-app purchases.

### Do Electrical Engineering Review or John Orr Engineering School have ads?

Neither Electrical Engineering Review nor John Orr Engineering School shows ads.

### Which is updated more often, Electrical Engineering Review or John Orr Engineering School?

Electrical Engineering Review ships an update every 18 months, and John Orr Engineering School every 2 weeks. Most recently, Electrical Engineering Review was updated on September 5, 2026 and John Orr Engineering School on September 4, 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.*