# Learn Chemical Engineering vs QuantumNote

The clearest difference is price: QuantumNote at Free against Learn Chemical Engineering's $3.99. QuantumNote also leads on rating (5.0 vs 3.0) and update cadence (every 2 months vs every 17 months). Learn Chemical Engineering's advantage is iOS requirement (13.0 vs 16.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

QuantumNote is free to download; Learn Chemical Engineering costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QuantumNote holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Learn Chemical Engineering ships an update every 17 months, QuantumNote every 2 months. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Learn Chemical Engineering | QuantumNote |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/learn-chemical-engineering/id6444441890/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 28 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Saqib Masood](https://appshunter.io/developer/1555852546) | [Dinesh Malla](https://appshunter.io/developer/1838122307) |

## What reviewers say

### Learn Chemical Engineering

[App page](https://appshunter.io/ios/app/learn-chemical-engineering/id6444441890)

This app provides a comprehensive guide to chemical engineering principles, covering essential concepts, calculations, and diagrams. It aims to help students and aspiring engineers understand the field's fundamentals for a successful career.

**Highlights:** Chemical engineering principles explained, Understanding of physics, chemistry, and math applications, Information on safety procedures and environmental regulations, Details on industrial demand and career opportunities, Explanation of block flow diagrams and unit balances, Coverage of mass transfer, heat transfer, and thermodynamics

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

**In-app purchases:** none


### QuantumNote

[App page](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805)

Master quantum computing with a comprehensive learning companion covering fundamentals to advanced algorithms. Explore topics with clear explanations, code examples, and progress tracking. Designed for students, developers, and enthusiasts.

**Highlights:** Comprehensive curriculum with 66 topics, Beginner to advanced content, Code examples with Python/Qiskit, Formula reference with LaTeX, Progress tracking and practice mode, Offline access, Dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Chemical Engineering free?

Learn Chemical Engineering costs $3.99, with no in-app purchases.

### Is QuantumNote free?

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

### Which has better reviews, Learn Chemical Engineering or QuantumNote?

QuantumNote is rated higher. Learn Chemical Engineering averages 3.0 out of 5 from 2 ratings, while QuantumNote averages 5.0 from 1 ratings.

### Do Learn Chemical Engineering or QuantumNote have ads?

Neither Learn Chemical Engineering nor QuantumNote shows ads.

### Which is updated more often, Learn Chemical Engineering or QuantumNote?

Learn Chemical Engineering ships an update every 17 months, and QuantumNote every 2 months. Most recently, Learn Chemical Engineering was updated on September 23, 2026 and QuantumNote on September 27, 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.*