# Chemical Elements Practice vs Tier in Balance

The clearest difference is in-app purchases: Tier in Balance at none against Chemical Elements Practice's 1. Chemical Elements Practice's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Chemical Elements Practice | Tier in Balance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (39 ratings)](https://appshunter.io/ios/app/chemical-elements-practice/id1581952820/reviews)** | — |
| Number of ratings | **39** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 30 MB | 15 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Straub](https://appshunter.io/developer/1573167056) | [Natascha & Markus Weiss GbR](https://appshunter.io/developer/1180189863) |

## 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 |


### Tier in Balance

[App page](https://appshunter.io/ios/app/tier-in-balance/id6744536285)

**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 Tier in Balance free?

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

### Do Chemical Elements Practice or Tier in Balance have ads?

Neither Chemical Elements Practice nor Tier in Balance shows ads.

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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.*