Twin Science vs STEM Discovery Campaign
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
STEM Discovery Campaign
Explore and submit STEM activities worldwide on an interactive map. Discover partner projects, learn about different STEM events, and filter entries to find what interests you. Participate in exciting competitions and win awards.
- Browse STEM activities on a map
- Submit your own STEM activities
- View partner projects
- Discover diverse STEM events
- Filter map and feed entries
- Participate in competitions
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Browse and submit all the STEM activities organized, conducted, participated in and featured on the STEM Discovery Campaign map. View your own and other interested stakeholders’ entries on the map, learn about the partners of the campaign and their projects and discover different types of STEM activities that take place in Europe and beyond. Filter the entries to be displayed on the map and the Feed. Participate in competitions and win awards.
Screenshots
Verdict
The clearest difference is rating: STEM Discovery Campaign at 5.0 against Twin Science's 4.4. STEM Discovery Campaign also leads on in-app purchases (none vs 10) and iOS requirement (11.0 vs 15.0). Twin Science's advantage is ratings volume (77 vs 1). On price, update cadence, ads and device support 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. STEM Discovery Campaign asks for nothing beyond the download.
STEM Discovery Campaign holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Twin Science has 77 ratings behind it against 1, so its average is the more settled of the two.
Twin Science ships an update every 2 months, STEM Discovery Campaign every 6 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | Twin Science | STEM Discovery Campaign |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (77 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 77 — better | 1 |
| Update frequency | Every 2 months | Every 6 weeks — 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 | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 93 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Twin | EUN Partnership AISBL |
Customer experience
Twin Science
STEM Discovery Campaign
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
STEM Discovery Campaign
No in-app purchases
Questions
Is Twin Science free?
Is STEM Discovery Campaign free?
Which has better reviews, Twin Science or STEM Discovery Campaign?
Do Twin Science or STEM Discovery Campaign have ads?
Which is updated more often, Twin Science or STEM Discovery Campaign?
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