# Twin Science vs Bil Learn Dijital

The clearest difference is in-app purchases: Bil Learn Dijital at none against Twin Science's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Twin Science sells 10 in-app purchases, starting at $2.49 per month. Bil Learn Dijital asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Twin Science | Bil Learn Dijital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (77 ratings)](https://appshunter.io/ios/app/twin-science-stem-learning/id1479559635/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 51 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Twin](https://appshunter.io/developer/1447423866) | [HUESEYIN SUAT CEZKAN](https://appshunter.io/developer/1769944914) |

## 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 |


### Bil Learn Dijital

[App page](https://appshunter.io/ios/app/bil-learn-dijital/id6747361206)

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

**In-app purchases:** none


## Frequently asked questions

### Is Twin Science free?

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

### Is Bil Learn Dijital free?

Bil Learn Dijital is free to download, with no in-app purchases.

### Do Twin Science or Bil Learn Dijital have ads?

Neither Twin Science nor Bil Learn Dijital shows ads.

### Which is updated more often, Twin Science or Bil Learn Dijital?

Twin Science ships an update every 2 months, and Bil Learn Dijital every 2 months. Most recently, Twin Science was updated on October 25, 2026 and Bil Learn Dijital on October 24, 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.*