# Chemical Engineering+ vs Conquer The Board Exam

The clearest difference is price: Chemical Engineering+ at Free against Conquer The Board Exam's $2.99. Conquer The Board Exam's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Chemical Engineering+ is free to download; Conquer The Board Exam costs $2.99 up front. Chemical Engineering+ sells 6 in-app purchases, starting at $9.99 per month and Conquer The Board Exam sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Chemical Engineering+ ships an update every 2 months, Conquer The Board Exam every 3 days. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chemical Engineering+ | Conquer The Board Exam |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/chemical-engineering-plus/id6740001145/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 74 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Gary Chris Lacdang](https://appshunter.io/developer/1839488041) |

## What reviewers say

### 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 |


### Conquer The Board Exam

[App page](https://appshunter.io/ios/app/conquer-the-board-exam/id6770008619)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Mayari AI Credits | $1.99 | one-time |
| Unlock an Exam | $2.99 | one-time |
| 350 Mayari AI Credits | $4.99 | one-time |
| 650 Mayari AI Credits | $7.99 | one-time |
| 1,500 Mayari AI Credits | $14.99 | one-time |


## Frequently asked questions

### Is Chemical Engineering+ free?

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

### Is Conquer The Board Exam free?

Conquer The Board Exam costs $2.99, and also offers in-app purchases.

### Do Chemical Engineering+ or Conquer The Board Exam have ads?

Neither Chemical Engineering+ nor Conquer The Board Exam shows ads.

### Which is updated more often, Chemical Engineering+ or Conquer The Board Exam?

Chemical Engineering+ ships an update every 2 months, and Conquer The Board Exam every 3 days. Most recently, Chemical Engineering+ was updated on October 23, 2026 and Conquer The Board Exam on October 28, 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.*