Comparison

Cosmo (formerly ClassUp) vs Bloomster

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

Head to head
About

Cosmo (formerly ClassUp)

This app offers AI-powered, personalized learning experiences guided by real teachers. It provides live 1-on-1 classes, instant homework help, and adaptive learning plans to foster confident and motivated learners.

Highlights
  • Live 1-on-1 classes with AI and human teachers
  • AI-powered personalized learning plans
  • Instant homework help and chat support
  • AI writing tool for assignments
  • Unlimited practice for Math & ELA
  • Progress tracking dashboard
Read full description

Becoming a confident thinker. A curious problem-solver. A joyful, motivated learner who’s ready for whatever the future holds. We’re a future-ready education system—powered by AI, guided by real teachers, and built for how children actually grow. 1. Live 1-on-1 Classes: Human Teachers + Smart AI In every session, real teachers and AI collaborate to create dynamic lessons that drive progress. Our virtual classrooms include interactive tools (whiteboards, quizzes!) to boost engagement. 2. Pick Your Favorite Teacher (or Let Us Choose!) Our experts match students with teachers based on learning style and goals—or you can directly select your preferred instructor from our verified educators. 3. Flex Scheduling: Learn Anytime, Anywhere Book classes 24/7 from your couch, library, or even soccer practice. Reschedule freely with xx-hour notice. 4. Cosmo: The AI Study Buddy Who Gets It 4.1 AI-Powered Personalized Learning Plans Customized weekly roadmaps adapting to your child’s pace and progress. 4.2 Instant Homework Help & Chat "Hey Cosmo, explain algebra!" Get step-by-step solutions, class bookings, or a pep talk with meme reactions. 4.3 AI Writing Tool Snap a photo of writing assignments for: Grammar fixes, Style suggestions, "Aha!" revision tips 4.4 Unlimited Practice for Math & ELA Enjoy endless questions and instant feedback—perfect for all skill levels. Learn anytime, anywhere! 4.5 Progress Tracking Dashboard Track mastered skills and growth areas with color-coded reports updated monthly.

About

Bloomster

This app helps children aged 9-14 develop essential life skills like confidence, focus, and emotional regulation through engaging animated lessons and practical exercises. It provides parents with tools to support their child's growth and track progress in areas academics often miss.

Highlights
  • Expert-designed skill courses
  • Growth plans for challenges
  • Life event support plans
  • Scenario-based knowledge checks
  • Parent lesson guides
  • Reflections and journaling
  • Progress tracking
Features
Read full description

Bloomster is a life skills learning platform that helps kids ages 9–14 build confidence, focus, emotional regulation, resilience, communication, and problem-solving. Through short animated lessons and guided practice, Bloomster teaches skills academics don’t cover — but growing up requires. Designed by educators and learning scientists, Bloomster turns real challenges into teachable moments kids can apply in life and at school. Parents get tools to guide skill-building at home, track growth, and encourage positive habits. If your child needs support staying focused, managing emotions, building confidence, or navigating social situations, Bloomster makes skill-building practical, engaging, and enjoyable. KEY FEATURES • Expert-Designed Skill Courses — Short, animated lessons that teach life skills kids don’t learn in school. • Growth Plans for Challenges — Structured plans for focus, confidence, emotional regulation, and social skills. • Life Event Plans — Support for changing schools, sibling conflict, test anxiety, and sports pressure. • Scenario-Based Knowledge Checks — Interactive scenarios that assess skill application, not memorization. • Parent Lesson Guides — Quick guides showing parents what to say and do to reinforce learning at home. • Reflections & Journaling — Prompts that help kids reflect and internalize skills. • Boosters for Encouragement — Motivational nudges to support progress for kids and parents. • Badges, Challenges & Rewards — Kids earn badges while parents add custom rewards to make learning fun. • Track Growth Across Skills — Follow improvements across focus, confidence, emotional regulation, communication, and resilience.

Screenshots

Cosmo (formerly ClassUp)4 screens
Bloomster4 screens

Verdict

The call

The clearest difference is rating: Bloomster at 5.0 against Cosmo (formerly ClassUp)'s 4.5. Bloomster also leads on review sentiment (100% vs 80%). Cosmo (formerly ClassUp)'s advantage is ratings volume (879 vs 1) and update cadence (every 9 days vs every 3 weeks). On price, ads, 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. Cosmo (formerly ClassUp) sells 3 one-off in-app purchases and Bloomster sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Bloomster holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Cosmo (formerly ClassUp) has 879 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Cosmo (formerly ClassUp)'s written reviews are positive against 100% of Bloomster's.

UpkeepUpdate frequency

Cosmo (formerly ClassUp) ships an update every 9 days, Bloomster every 3 weeks. The most recent releases landed on October 2, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 6 level
Cosmo (formerly ClassUp) versus Bloomster: the parameters behind the verdict, then further details
ParameterCosmo (formerly ClassUp)Bloomster
PriceFreeFree
Rating4.5 (879 ratings)5.0 (1 ratings) — better
Positive reviews79.8% of reviews100.0% of reviews — better
Number of ratings879 — better1
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size408 MB73 MB
Age rating4+9+
DeveloperAlgorithm of Learning Inc.Balanced Tech Inc.

Customer experience

Cosmo (formerly ClassUp)

All ratings879 ratings
Positive86.1%
Neutral1.8%
Negative12.1%
Written reviews163 reviews
Positive79.8%
Neutral3.1%
Negative17.2%

Bloomster

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Cosmo (formerly ClassUp)

Reported bugs

3 issues
  • Frequent class cancellations
  • Billing and refund issues
  • Unreliable internet connectivity during classes

Requested features

4 requests
  • More affordable pricing options
  • Improved scheduling and class management
  • Better communication with parents
  • Enhanced technical stability and reliability

Bloomster

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Cosmo (formerly ClassUp)

One-time3
  • First Class$0.99
  • Test 20 lessons package$0.99
  • 3 one-on-one classes$74.99
4 purchases

Bloomster

Subscriptions4
  • Single Child - Monthly$19.991 Month
  • Family - Monthly$29.991 Month
  • Single Child - Annually$199.991 Year
Show 1 more
  • Family - Annually$299.991 Year

Questions

Is Cosmo (formerly ClassUp) free?
Cosmo (formerly ClassUp) is free to download, with in-app purchases available.
Is Bloomster free?
Bloomster is free to download, with in-app purchases available.
Which has better reviews, Cosmo (formerly ClassUp) or Bloomster?
Bloomster is rated higher. Cosmo (formerly ClassUp) averages 4.5 out of 5 from 879 ratings, while Bloomster averages 5.0 from 1 ratings.
Do Cosmo (formerly ClassUp) or Bloomster have ads?
Neither Cosmo (formerly ClassUp) nor Bloomster shows ads.
Which is updated more often, Cosmo (formerly ClassUp) or Bloomster?
Cosmo (formerly ClassUp) ships an update every 9 days, and Bloomster every 3 weeks. Most recently, Cosmo (formerly ClassUp) was updated on October 2, 2026 and Bloomster on September 17, 2026.

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