# ChemSpark vs AP Physics Practice Pro

The clearest difference is price: ChemSpark at Free against AP Physics Practice Pro's $0.49. AP Physics Practice Pro's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

ChemSpark is free to download; AP Physics Practice Pro costs $0.49 up front. ChemSpark sells 5 one-off in-app purchases. AP Physics Practice Pro asks for nothing beyond the download.

## The numbers

| Metric | ChemSpark | AP Physics Practice Pro |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/chemspark-chemistry-practice/id6746169230/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 20 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Lojas Software Corp](https://appshunter.io/developer/1799458054) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### ChemSpark

[App page](https://appshunter.io/ios/app/chemspark-chemistry-practice/id6746169230)

Master chemistry concepts and prepare for exams with this comprehensive study tool. It offers a dynamic way to test knowledge across various topics, featuring diverse question types, visual learning aids, and detailed feedback to track progress and improve understanding.

**Highlights:** Extensive question bank with varying difficulty, Multiple question types (multiple-choice, fill-in-the-blank), Visual learning aids with images and diagrams, Detailed feedback and answer explanations, Structured learning by subject and topic, Progress tracking and score monitoring, Interactive testing interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Test Tube of Hints (25) | $0.99 | one-time |
| Combustion Skips (5) | $0.99 | one-time |
| Atomic Skips (15) | $1.99 | one-time |
| Beaker of Hints (60) | $2.99 | one-time |
| Flask of Hints (150) | $4.99 | one-time |


### AP Physics Practice Pro

[App page](https://appshunter.io/ios/app/ap-physics-practice-pro/id6756355105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChemSpark free?

ChemSpark is free to download, with in-app purchases available.

### Is AP Physics Practice Pro free?

AP Physics Practice Pro costs $0.49, with no in-app purchases.

### Do ChemSpark or AP Physics Practice Pro have ads?

ChemSpark shows ads; AP Physics Practice Pro does not.

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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.*