# Analytical Chemistry Challenge vs Chemical Engineering+

The clearest difference is rating: Analytical Chemistry Challenge at 5.0 against Chemical Engineering+'s 3.0. Analytical Chemistry Challenge also leads on in-app purchases (none vs 6) and iOS requirement (12.0 vs 17.0). Chemical Engineering+'s advantage is update cadence (every 2 months vs every 8 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Chemical Engineering+ sells 6 in-app purchases, starting at $9.99 per month. Analytical Chemistry Challenge asks for nothing beyond the download.

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

Analytical Chemistry Challenge ships an update every 8 months, Chemical Engineering+ every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Analytical Chemistry Challenge | Chemical Engineering+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/analytical-chemistry-challenge/id1174238448/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chemical-engineering-plus/id6740001145/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Analytical Chemistry Challenge

[App page](https://appshunter.io/ios/app/analytical-chemistry-challenge/id1174238448)

Test your knowledge of analytical sciences with a multiple-choice quiz. It covers core topics from various chemistry courses, offering detailed explanations for correct and incorrect answers. Track your performance and strengthen your understanding of key concepts.

**Highlights:** Multiple-choice quiz format, Covers core analytical science topics, Detailed explanations for all answers, Individual performance tracking, Assess mastery of chemistry concepts

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

**In-app purchases:** none


### Chemical Engineering+

[App page](https://appshunter.io/ios/app/chemical-engineering-plus/id6740001145)

Test your knowledge of chemical engineering with a comprehensive quiz app. It offers thousands of questions across various topics, adaptive difficulty, and detailed explanations to enhance learning. Prepare for exams and boost your industry skills with this interactive tool.

**Highlights:** Extensive question bank, Topic-specific quizzes, Calculations & problem solving, Adaptive difficulty, Interactive learning with explanations, Offline play, Leaderboard competition

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Analytical Chemistry Challenge free?

Analytical Chemistry Challenge is free to download, with no in-app purchases.

### Is Chemical Engineering+ free?

Chemical Engineering+ is free to download, with in-app purchases available.

### Which has better reviews, Analytical Chemistry Challenge or Chemical Engineering+?

Analytical Chemistry Challenge is rated higher. Analytical Chemistry Challenge averages 5.0 out of 5 from 1 ratings, while Chemical Engineering+ averages 3.0 from 2 ratings.

### Do Analytical Chemistry Challenge or Chemical Engineering+ have ads?

Neither Analytical Chemistry Challenge nor Chemical Engineering+ shows ads.

### Which is updated more often, Analytical Chemistry Challenge or Chemical Engineering+?

Analytical Chemistry Challenge ships an update every 8 months, and Chemical Engineering+ every 2 months. Most recently, Analytical Chemistry Challenge was updated on November 2, 2026 and Chemical Engineering+ on November 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.*