# Chemical Elements Practice vs CBQA

The clearest difference is in-app purchases: CBQA at none against Chemical Elements Practice's 1. Chemical Elements Practice's advantage is update cadence (monthly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Chemical Elements Practice sells 1 one-off in-app purchase. CBQA asks for nothing beyond the download.

Chemical Elements Practice ships an update monthly, CBQA every 2 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Chemical Elements Practice | CBQA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (38 ratings)](https://appshunter.io/ios/app/chemical-elements-practice/id1581952820/reviews)** | — |
| Number of ratings | **38** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 30 MB | 38 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Philipp Straub](https://appshunter.io/developer/1573167056) | [Mariano Pazos Afonso](https://appshunter.io/developer/788547472) |

## What reviewers say

### Chemical Elements Practice

[App page](https://appshunter.io/ios/app/chemical-elements-practice/id1581952820)

Master the periodic table with an adaptive learning system. This app uses spaced repetition and two distinct study modes to build long-term memory of element symbols, names, and relationships. Track your progress with category tests and access a full element browser.

**Highlights:** Adaptive spaced repetition, Multiple Choice mode, Self-Assessment mode, All 118 elements included, Category tests, Full card browser, Customizable study settings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |


### CBQA

[App page](https://appshunter.io/ios/app/cbqa/id6752497070)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Elements Practice free?

Chemical Elements Practice is free to download, with in-app purchases available.

### Is CBQA free?

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

### Do Chemical Elements Practice or CBQA have ads?

Neither Chemical Elements Practice nor CBQA shows ads.

### Which is updated more often, Chemical Elements Practice or CBQA?

Chemical Elements Practice ships an update monthly, and CBQA every 2 months. Most recently, Chemical Elements Practice was updated on October 7, 2026 and CBQA on September 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.*