# Science vs Yena

The clearest difference is price: Yena at Free against Science's $1.99. Yena also leads on update cadence (every 3 days vs every 39 months). Science's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 17.0). On ads and device support there is nothing between them.

Yena is free to download; Science costs $1.99 up front. Yena sells 3 in-app purchases, starting at $4.99 per 7 days. Science asks for nothing beyond the download.

Science ships an update every 39 months, Yena every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Science | Yena |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 22 MB | 51 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Coskun CAKIR](https://appshunter.io/developer/482066275) | [Toan Tran Bao](https://appshunter.io/developer/1876890592) |

## What reviewers say

### Science

[App page](https://appshunter.io/ios/app/science-learn-geography/id1386723092)

Master world geography with interactive quizzes and flashcards covering 12 high school curriculum subjects. Practice and diagnostic modes help assess learning levels and reinforce knowledge. Access all content offline on any mobile device.

**Highlights:** Diagnostic and practice quiz modes, Answer explanations provided, Flashcard study method, Offline content access, Detailed quiz performance tracking, Covers 12 major geography subjects

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

**In-app purchases:** none


### Yena

[App page](https://appshunter.io/ios/app/yena-daily-micro-learning/id6760986897)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yena Premium – Weekly | $4.99 | per 7 days |
| Yena Premium – Monthly | $15.99 | per month |
| Yena Premium – Yearly | $99.99 | per year |


## Frequently asked questions

### Is Science free?

Science costs $1.99, with no in-app purchases.

### Is Yena free?

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

### Do Science or Yena have ads?

Neither Science nor Yena shows ads.

### Which is updated more often, Science or Yena?

Science ships an update every 39 months, and Yena every 3 days. Most recently, Science was updated on October 24, 2026 and Yena on October 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.*