# EE Calculators and Notes vs REO Engineering Reviewer

The clearest difference is update cadence: REO Engineering Reviewer at every 2 weeks against EE Calculators and Notes's every 4 months. EE Calculators and Notes's advantage is iOS requirement (12.0 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.

EE Calculators and Notes ships an update every 4 months, REO Engineering Reviewer every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EE Calculators and Notes | REO Engineering Reviewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ee-calculators-and-notes/id6642680188/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 463 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Muhammad Faizan Ali Khan](https://appshunter.io/developer/1734026777) | [Rex Banggawan](https://appshunter.io/developer/1516403954) |

## What reviewers say

### EE Calculators and Notes

[App page](https://appshunter.io/ios/app/ee-calculators-and-notes/id6642680188)

This app provides electrical engineering students and professionals with comprehensive notes, exam preparation MCQs, essential books, IQ tests, and powerful calculators. It offers offline access and regular updates to enhance learning and problem-solving skills in the field.

**Highlights:** Comprehensive electrical engineering notes, MCQs for exam preparation, Curated library of essential books, IQ tests for problem-solving, Powerful electrical engineering calculators, Offline access to content

**Features:** macOS Compatibility

**In-app purchases:** none


### REO Engineering Reviewer

[App page](https://appshunter.io/ios/app/reo-engineering-reviewer/id6790460998)

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

**In-app purchases:** none


## Frequently asked questions

### Is EE Calculators and Notes free?

EE Calculators and Notes is free to download, with no in-app purchases.

### Is REO Engineering Reviewer free?

REO Engineering Reviewer is free to download, with no in-app purchases.

### Do EE Calculators and Notes or REO Engineering Reviewer have ads?

Neither EE Calculators and Notes nor REO Engineering Reviewer shows ads.

### Which is updated more often, EE Calculators and Notes or REO Engineering Reviewer?

EE Calculators and Notes ships an update every 4 months, and REO Engineering Reviewer every 2 weeks. Most recently, EE Calculators and Notes was updated on October 30, 2026 and REO Engineering Reviewer 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.*