Comparison

Hubble Learning vs Wondergrade

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Wondergrade

This app helps parents and children aged 3-8 explore and manage emotions through interactive stories, games, and audio guides. It provides practical advice for emotional well-being and offers tools for self-regulation and restful sleep.

Highlights
  • Read-aloud emotional learning books
  • Interactive games for self-regulation
  • Guided audio stories for sleep
  • Parental guidance and scripts
  • Mindfulness exercises for children
  • Strategies for managing emotions
Features
Read full description

Parents, educators, and children ages 3-8 embark on a journey of emotional discovery with Wondergrade—an interactive early childhood education app. It blends engaging read-alouds, interactive games, and soothing audio stories with practical advice, strategies, and step-by-step guides for nurturing your child's emotions while managing your own, equipping families with the tools for greater emotional well-being. ▶ A WORLD OF EMOTIONAL EXPLORATION ◀ [ EMOTIONAL LEARNING THROUGH STORYTIME ] • Discover read-aloud books that gently guide children through scenarios to understand and work through their emotions. [ PLAYFUL GAMES FOR CALMING AND SELF-REGULATION ] • Discover activities designed to ease minds and foster calm, enabling kids to master self-regulation through play. [ GUIDED AUDIO FOR BEDTIME ROUTINES ] • Mindfulness audios and playlists lull your child into serene sleep, ensuring nights are as restful as they are sweet. [ PARENTAL GUIDANCE AND SUPPORT ] • Access conversational scripts and educational content that equip you with the right words and actions to address your child’s emotional states—from anger to anxiety. [ MAINTAINING CALM AMIDST THE STORM ] • Access quick audio aids and strategies that help parents maintain composure, vital for modeling and teaching effective coping skills. ▶ NURTURING EMOTIONAL INTELLIGENCE ◀ [ WARMTH & GUIDANCE ] • Wondergrade speaks with a nurturing tone, ensuring families feel understood and supported as they learn and grow together. [ ACTIVITIES ROOTED IN RESEARCH ] • From storytime to interactive games, activities are underpinned by neuroscience and psychological research, offering proven methods for nurturing emotional resilience. [ MINDFUL MOMENTS FOR LITTLE ONES ] • Dive into meditations, affirmations, and breathing exercises specially designed for children, helping them find peace and positivity in their daily lives. [ SLEEP, FOCUS, & BEYOND ] • Whether it's achieving restful sleep, improving focus, or managing stress, Wondergrade offers a spectrum of tools for comprehensive emotional support. ▶ CELEBRATING PARENTS AND EDUCATORS ◀ [ BE A MODEL OF EMOTIONAL HEALTH ] • Wondergrade offers the encouragement and resources you need to model healthy emotional behaviors—because teaching by example is powerful. [ JOIN A COMMUNITY OF CARING ] • Connect with a network of like-minded parents who are dedicated to the emotional growth and well-being of their families. [ FOR ALL OF LIFE’S EMOTIONAL MOMENTS ] • Whatever the challenge—be it tantrums or the pursuit of mental well-being—Wondergrade is your family’s companion through every up and down. ▶ SUBSCRIPTION DETAILS ◀ [ START WITH A FREE TRIAL ] • Try Wondergrade free with a 7-day trial. Continue with a monthly or annual subscription. Cancel anytime via App Store settings. [ ACCESS ACROSS DEVICES ] • Enjoy Wondergrade on any device registered with your Apple ID, ensuring your entire family can benefit from its resources wherever you are. Wondergrade is more than an app—it’s a pledge to nurture kinder, emotionally intelligent futures. Should you have questions or need further guidance, our supportive community awaits at hello@wondergrade.com, ready to assist every step of the way.

Screenshots

Hubble Learning4 screens
Wondergrade4 screens

Verdict

The call

The clearest difference is ads: Wondergrade at none against Hubble Learning's shown. Wondergrade also leads on ratings volume (37 vs 10). Hubble Learning's advantage is update cadence (every 5 days vs every 6 weeks) and rating (4.8 vs 4.5). On price, review sentiment, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hubble Learning sells 2 in-app purchases, starting at $7.99 per month and Wondergrade sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Hubble Learning holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 10 and 37 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Hubble Learning ships an update every 5 days, Wondergrade every 6 weeks. The most recent releases landed on September 14, 2026 and June 21, 2026 respectively.

Scorecard4 real differences · 6 level
Hubble Learning versus Wondergrade: the parameters behind the verdict, then further details
ParameterHubble LearningWondergrade
PriceFreeFree
Rating4.8 (10 ratings) — better4.5 (37 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1037 — better
Update frequencyEvery 5 days — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size106 MB207 MB
Age rating4+4+
DeveloperHubble Learning IncWondergrade LLC

Customer experience

Hubble Learning

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Wondergrade

All ratings37 ratings
Positive86.5%
Neutral2.7%
Negative10.8%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Hubble Learning

Subscriptions2
  • Hubble Monthly Subscription7 Days trial$7.991 Month
  • Hubble Yearly Subscription7 Days trial$34.991 Year
2 purchases

Wondergrade

Subscriptions2
  • All Access7 Days trial$9.991 Month
  • All Access$39.991 Year

Questions

Is Hubble Learning free?
Hubble Learning is free to download, with in-app purchases available.
Is Wondergrade free?
Wondergrade is free to download, with in-app purchases available.
Which has better reviews, Hubble Learning or Wondergrade?
Hubble Learning is rated higher. Hubble Learning averages 4.8 out of 5 from 10 ratings, while Wondergrade averages 4.5 from 37 ratings.
Do Hubble Learning or Wondergrade have ads?
Hubble Learning shows ads; Wondergrade does not.
Which is updated more often, Hubble Learning or Wondergrade?
Hubble Learning ships an update every 5 days, and Wondergrade every 6 weeks. Most recently, Hubble Learning was updated on September 14, 2026 and Wondergrade on June 21, 2026.

Other comparisons