# Chemical Elements Learning vs 선생님이 말했다

The clearest difference is in-app purchases: Chemical Elements Learning at none against 선생님이 말했다's 2. 선생님이 말했다's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 선생님이 말했다 sells 2 in-app purchases, starting at $3.99 per month. Chemical Elements Learning asks for nothing beyond the download.

Chemical Elements Learning ships an update every 3 months, 선생님이 말했다 every 3 weeks. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Chemical Elements Learning | 선생님이 말했다 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/chemical-elements-learning/id1671402037/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 103 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [Dinosband Inc](https://appshunter.io/developer/1576150337) |

## 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


### 선생님이 말했다

[App page](https://appshunter.io/ios/app/id1673233206)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 스탠다드 (월간) | $3.99 | per month |
| 프리미엄 (월간) | $6.99 | per month |


## Frequently asked questions

### Is Chemical Elements Learning free?

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

### Is 선생님이 말했다 free?

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

### Do Chemical Elements Learning or 선생님이 말했다 have ads?

Chemical Elements Learning shows ads; 선생님이 말했다 does not.

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

Chemical Elements Learning ships an update every 3 months, and 선생님이 말했다 every 3 weeks. Most recently, Chemical Elements Learning was updated on September 22, 2026 and 선생님이 말했다 on October 6, 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.*