# Twin Science vs Derslig

The clearest difference is update cadence: Twin Science at every 2 months against Derslig's every 5 months. Twin Science also leads on ratings volume (77 vs 16). Derslig's advantage is review sentiment (67% vs 57%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Twin Science sells 10 in-app purchases, starting at $2.49 per month and Derslig sells 8 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Twin Science against 4.4 for Derslig. Both are backed by a comparable volume of ratings — 77 and 16 respectively. Written reviews are what separate them: 57% of Twin Science's written reviews are positive against 67% of Derslig's.

Twin Science ships an update every 2 months, Derslig every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Twin Science | Derslig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (77 ratings)](https://appshunter.io/ios/app/twin-science-stem-learning/id1479559635/reviews)** | [4.4 (16 ratings)](https://appshunter.io/ios/app/derslig/id6451071489/reviews) |
| Number of ratings | **77** | 16 |
| Positive reviews | 57.1% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 93 MB | 45 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Twin](https://appshunter.io/developer/1447423866) | [DERSLIG DIJITAL EGITIM VE YAYIMCILIK SANAYI TICARET ANONIM SIRKETI](https://appshunter.io/developer/1696455735) |

## What reviewers say

### Twin Science

[App page](https://appshunter.io/ios/app/twin-science-stem-learning/id1479559635)

This app provides sustainability and environmental education for children aged 7-12 through gamified STEM+A content. It features interactive videos, hands-on projects, trivia, and AI-based skill reports for parents and educators.

**Highlights:** SDG-based sustainability content, Gamified learning experience, AI-based monthly skill reports, Interactive discovery videos, Hands-on DIY projects, STEM+A trivia games, Ad-free and moderated environment

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $2.49 | per month |
| Premium Membership | $2.99 | per month |
| Premium Membership | $3.49 | per month |
| Monthly Premium Plan | $7.99 | per month |
| Premium Membership | $23.99 | per year |
| Premium Membership | $27.99 | per year |
| Premium Membership | $29.99 | per year |
| 6 Months Education Pack | $44.99 | per 6 months |
| Yearly Premium Plan | $79.99 | per year |
| 1 Year Education Pack | $79.99 | per year |


### Derslig

[App page](https://appshunter.io/ios/app/derslig/id6451071489)

This AI-powered platform connects teachers and students with a vast library of educational content. It fosters individual study habits through interactive lessons, AI-driven feedback, and personalized practice, supporting preparation for major exams and school assessments.

**Highlights:** AI-powered learning platform, Interactive lessons and activities, New generation questions, AI-driven reinforcement center, Practice exams and tests, Teacher content sharing, Progress tracking

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aylık Derslig Pro Aboneliği | $29.99 | per month |
| Aylık Derslig Pro Aboneliği | $29.99 | per month |
| 3 Aylık Derslig Pro Aboneliği | $69.99 | per 3 months |
| 3 Aylık Derslig Pro Aboneliği | $69.99 | per 3 months |
| 6 Aylık Derslig Pro Aboneliği | $89.99 | per 6 months |
| 6 Aylık Derslig Pro Aboneliği | $89.99 | per 6 months |
| 1 Yıllık Derslig Pro Aboneliği | $99.99 | per year |
| 1 Yıllık Derslig Pro Aboneliği | $99.99 | per year |


## Frequently asked questions

### Is Twin Science free?

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

### Is Derslig free?

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

### Which has better reviews, Twin Science or Derslig?

Twin Science is rated higher. Twin Science averages 4.4 out of 5 from 77 ratings, while Derslig averages 4.4 from 16 ratings.

### Do Twin Science or Derslig have ads?

Neither Twin Science nor Derslig shows ads.

### Which is updated more often, Twin Science or Derslig?

Twin Science ships an update every 2 months, and Derslig every 5 months. Most recently, Twin Science was updated on November 3, 2026 and Derslig on November 3, 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.*