Twin Science vs Okumanya
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Twin Science
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.
- 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
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Twin is providing sustainability & environmental education! ► What Sets Twin Apart in 3Ps: • PURPOSE-LED: SDG-BASED CONTENT Twin provides sustainability and environmental education for children by introducing children to STEM+A solutions for complex problems. Content is linked to the United Nations Sustainable Development Goals. • PLAYFUL: GAMIFIED TWIN APP Twin app provides a playful learning experience for children so that they can learn complex topics while having fun. Engagement rates are 4X higher than average education applications. • PERSONALIZED: SKILL REPORTING With the Twin App's AI-based monthly skills report, teachers and parents can learn about children's unique skills and interests. ► What does Twin offer for educators? • Twin is the #1 app for playful sustainability & environmental education for 7-12 year olds • We cover a wide range of STEM+A topics with a special focus on science and technology. • Twin app demonstrates how STEM+A knowledge can be used for the good of our planet. • Skill report for each child via the teacher dashboard: Teachers get insight into their student's most frequently used 21st century skills such as creativity and problem solving, as well as their interest areas. • Example Activity Journey: Climate Change 1. Watch an Interactive video: Children observe climate change in Antarctica with interactive videos featuring a real explorer. 2. Create a Hands-on Project: Children complete global warming experiments, challenges and projects. 3. Solve Trivia Questions: Children play climate change trivia with friends and grow their knowledge together. 4. Play a STEM+A Game: Children collect trash from the ocean and compete with friends to get the highest points. ► What does Twin offer to parents? • Gamified Platform: Twin offers a unique gamified experience. With Twin, children will unleash their potential in Science, Technology, Engineering, Mathematics and the Arts (STEM+A) in a fully-moderated & safe environment. • Interactive Discovery Videos: Children discover actively & playfully with experts while developing their critical thinking and problem-solving skills. • Challenges: Unleash children's creativity & apply knowledge through 300+ DIY projects! • STEM Trivia: Time to challenge friends! With thousands of cool STEM+A questions, Twin offers one of the best trivia experiences out there. • Adventures: Ready for storified journeys? Turn learning into a true adventure with mini-games, DIY projects, and interactive videos. ► What are Twin Discovery Videos? • Discovery videos are interactive STEM videos that stimulate curiosity. • Content explained by real-life professionals makes learning relatable again! How about learning about climate change. ► Is Twin safe? • Children's safety is our priority! No bullies are allowed in the Twin app! Twin is a fully-moderated and ad-free social platform. ► Why Twin? * Our mission is to empower the next generation of curious minds & creative thinkers to build a better future for everyone. This is why we adopt a skill-based approach that develop conscience and competence in STEM at the same time. Our STEM4Good approach differentiates us from the other apps! ► Stay up to date • LIKE US – facebook.com/twinscience • FOLLOW US – instagram.com/twinscience ► Need help? • We love hearing from our community. Contact us any time: hello@twinscience.com ► Policies • Terms of Use: https://twinarcadiamedia.twinscience.com/app-files/onboarding-files/agreements_as_html/en_term_of_use.html • Privacy Policy: https://twinarcadiamedia.twinscience.com/app-files/onboarding-files/agreements_as_html/en_privacy_notice.html
Okumanya
An intelligent library app designed to improve reading habits with fun, educational, and interactive content. It offers a safe, ad-free environment with a wide collection of books for different age groups.
- AI-based smart library
- Improve reading habits
- Fun and educational content
- Interactive stories
- Wide book collection
- Safe and ad-free environment
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Okumanya : Yapay Zeka Tabanlı Akıllı Kütüphane Okumanya, okuma alışkanlıklarını geliştirmek için tasarlanmış, yenilikçi bir akıllı kütüphane uygulamasıdır. Eğlenceli, eğitici ve etkileşimli içerikleri sayesinde hem öğrenir hem de keyifli vakit geçirir. Okumanya ile Neler Yapabilirsiniz? Sınıfa Göre Kitap Önerileri Eğlenceli ve Eğitici İçerikler Etkileşimli hikayeler, renkli görseller ve eğitici temalarla okuma deneyimini zenginleştirin. Neden Okumanya? Geniş Kitap Koleksiyonu: Farklı yaş grupları için hazırlanmış kitaplar. Güvenli ve Reklamsız: Güvenle öğrenip eğlenebileceği bir ortam. Kimler İçin Uygun? Okumanya'yı Şimdi Keşfedin! Okuma sevgisini artırmak ve öğrenimlerini desteklemek için Okumanya'yı hemen indirin. Eğitici, eğlenceli ve güvenli bir okuma yolculuğuna adım atın. Okumanya ile kitapların büyülü dünyasını keşfetmek bir tık uzağınızda!
Screenshots
Verdict
The clearest difference is rating: Twin Science at 4.5 against Okumanya's 3.3. Twin Science also leads on ratings volume (76 vs 4). Okumanya's advantage is in-app purchases (none vs 10) and update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Twin Science sells 10 in-app purchases, starting at $2.49 per month. Okumanya asks for nothing beyond the download.
Twin Science holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Twin Science has 76 ratings behind it against 4, so its average is the more settled of the two.
Twin Science ships an update every 2 months, Okumanya weekly. The most recent releases landed on August 8, 2026 and September 13, 2026 respectively.
| Parameter | Twin Science | Okumanya |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (76 ratings) — better | 3.3 (4 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 76 — better | 4 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 99 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | TWIN YAZILIM MUHENDISLIK SANAYI VE TICARET ANONIM SIRKETI | EDUMIND EGITIM YAYINCILIK DANISMANLIK VE TICARET ANONIM SIRKETI |
Customer experience
Twin Science
Okumanya
In-app purchases
Twin Science
- Premium Membership$2.491 Month
- Premium Membership$2.991 Month
- Premium Membership7 Days trial$3.491 Month
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- Monthly Premium Plan7 Days trial$7.991 Month
- Premium Membership$23.991 Year
- Premium Membership$27.991 Year
- Premium Membership7 Days trial$29.991 Year
- 6 Months Education Pack$44.996 Months
- Yearly Premium Plan7 Days trial$79.991 Year
- 1 Year Education Pack$79.991 Year
Okumanya
No in-app purchases









