Hubble Learning vs Rebel Ninja
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hubble Learning
Embark on a space adventure to develop crucial life skills. This app offers interactive activities and guided conversations for children aged 5-10 and their caregivers, fostering parent-child bonding and real-world social-emotional learning.
- Intergalactic space adventure theme
- Focus on life skills (goal-setting, kindness, etc.)
- Parent-child co-pilot experience
- Guided conversations and interactive activities
- Reward system for progress
- Research-backed by Harvard Graduate School of Education
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Embark on an Intergalactic Learning Adventure with Hubble Learning! In a world where social-emotional skills are more crucial than ever, we present Hubble Learning—a pioneering educational app backed by research and nurtured through a fellowship at the prestigious Harvard Graduate School of Education. Why Hubble Learning Stands Out: - Age-Appropriate Excellence: Tailored for children aged 5 to 10, Hubble Learning ensures an engaging and age-appropriate learning experience. - Thrilling Space Adventure: Dive into a captivating space odyssey where caregivers/parents and children become copilots, unlocking the secrets of life skills in a fun, interactive way. - Real-world Applications: Beyond the pixels, Hubble Learning focuses on crucial life skills—goal-setting, active listening, collaboration, self-advocacy, kindness, and more. - Parent-Child Bonding: Hubble Learning transforms learning into a shared adventure! Parents and children engage in guided conversations, exciting activities, and earn rewards that pave the way for meaningful connections. - Rewards for Real Progress: Exchange earned rewards for fantastic items like new spacesuits, enhancing your intergalactic journey and creating lasting memories. What Sets Us Apart: Research-Backed: Developed with insights from the Harvard Graduate School of Education, Hubble Learning ensures a robust educational foundation. Playful and Purposeful: Blending play and education seamlessly, Hubble Learning makes learning a joyous, shared experience. Ready to Launch into Learning? Try Hubble Learning Today! Terms and Conditions: https://app.termly.io/document/privacy-policy/be6e6d9f-2492-4e64-b246-2cc00a759449
Rebel Ninja
This app helps children aged 4-12 build confidence and learn to prevent and handle bullying. Through fun, interactive lessons, kids can develop self-esteem and reach their full potential. It offers progress tracking and offline sync for a comprehensive learning experience.
- Bullying prevention education
- Confidence building
- Verbal and physical defense techniques
- Progress tracking
- Offline sync
- Community for kids and parents
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Discover how you can prevent bullying for your child while building their confidence. Kids who are victims of bullying have lower self esteem and confidence. Children who learn how to prevent and handle bullying can finally be their true self and reach their full potential. As a Rebel Ninja, your child will have fun learning how to become confident while being armed with the knowledge of verbal and physical bullying defence. We are a community of amazing kids and parents. This app is perfect for kids ages 4 to 12 years old. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of Rebel Ninja is free of charge. Should you use Rebel Ninja to access in-app content via available subscription(s), a payment will be charged to your credit card after the trial period ends and when a subscription renews. A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: Hubble Learning at every 5 days against Rebel Ninja's every 6 weeks. Hubble Learning also leads on iOS requirement (11.0 vs 15.1). On price, rating, review sentiment and ratings volume 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. Hubble Learning sells 2 in-app purchases, starting at $7.99 per month and Rebel Ninja sells 9 in-app purchases, starting at $24.00 per month. Whichever you choose, the download price is not the number that matters.
Rebel Ninja holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 10 and 28 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Hubble Learning ships an update every 5 days, Rebel Ninja every 6 weeks. The most recent releases landed on October 18, 2026 and October 30, 2026 respectively.
| Parameter | Hubble Learning | Rebel Ninja |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (10 ratings) | 5.0 (28 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 10 | 28 — better |
| Update frequency | Every 5 days — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 106 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | Hubble Learning Inc | Rebel Ninja LLC |
Customer experience
Hubble Learning
Rebel Ninja
In-app purchases
Hubble Learning
- Hubble Monthly Subscription7 Days trial$7.991 Month
- Hubble Yearly Subscription7 Days trial$34.991 Year
Rebel Ninja
- Rebelflix Silver7 Days trial$24.001 Month
- Rebel Ninja Membership$48.001 Month
- Rebelflix Gold7 Days trial$49.001 Month
- The Art Of Tongue Fu$18.99
- Confidence Xcelerator$18.99
- 30 Day Challenge 60% Off$97.00
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- 30 Day Challenge$249.00
- 60% OFF 6 Week Challenge$399.00
- 6 Week Kaizen Confidence$999.00
Questions
Is Hubble Learning free?
Is Rebel Ninja free?
Which has better reviews, Hubble Learning or Rebel Ninja?
Do Hubble Learning or Rebel Ninja have ads?
Which is updated more often, Hubble Learning or Rebel Ninja?
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