# Chemical Elements Learning vs 더블랙에듀학원

The clearest difference is ads: 더블랙에듀학원 at none against Chemical Elements Learning's shown. 더블랙에듀학원 also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chemical Elements Learning ships an update every 3 months, 더블랙에듀학원 every 3 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Chemical Elements Learning | 더블랙에듀학원 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/chemical-elements-learning/id1671402037/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 36 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [Bnz Inc](https://appshunter.io/developer/1602520806) |

## What reviewers say

### Chemical Elements Learning

[App page](https://appshunter.io/ios/app/chemical-elements-learning/id1671402037)

Learn chemical element symbols and atomic numbers with interactive quizzes. Customize quiz settings for effective memorization. Ideal for science and chemistry test preparation.

**Highlights:** List of elements 1-118, Element symbol quiz, Customizable quiz settings, Memorization aid, Test preparation tool

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

**In-app purchases:** none


### 더블랙에듀학원

[App page](https://appshunter.io/ios/app/id6762287933)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemical Elements Learning free?

Chemical Elements Learning is free to download, with no in-app purchases.

### Is 더블랙에듀학원 free?

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

### Do Chemical Elements Learning or 더블랙에듀학원 have ads?

Chemical Elements Learning shows ads; 더블랙에듀학원 does not.

### Which is updated more often, Chemical Elements Learning or 더블랙에듀학원?

Chemical Elements Learning ships an update every 3 months, and 더블랙에듀학원 every 3 weeks. Most recently, Chemical Elements Learning was updated on October 24, 2026 and 더블랙에듀학원 on October 7, 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.*