Comparison

Cosmo (formerly ClassUp) vs Kids Learning Lab!

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

Kids Learning Lab!

This app makes learning an adventure with bite-sized lessons in science, math, and more. Earn XP, build streaks, and track progress through interactive games and challenges. Customize your avatar and unlock achievements on a rewarding educational journey.

Highlights
  • Bite-sized lessons
  • Interactive games
  • Progress tracking
  • Avatar customization
  • Achievements and badges
  • Multiplayer challenges
Features
Read full description

Kids Learning Lab turns learning into an adventure. Explore bite-sized lessons across topics like science, math, and more while earning XP, building streaks, and tracking your progress. Whether you're learning something new or strengthening what you already know, Kids Learning Lab makes every lesson engaging, interactive, and rewarding. Reinforce your knowledge with interactive games like Trivia, Maze, Seesaw, and Meltdown, or challenge friends in Duel mode to test your skills. Complete activities, unlock achievements, collect badges, customize your avatar, and build your learning journey one lesson at a time. Discover new topics, stay motivated with daily goals, and add your friends. With fun challenges, progress tracking, and gamified learning experiences, Kids Learning Lab transforms education into something exciting that you can come back to every day. Download Kids Learning Lab and make learning something you look forward to every day.

Screenshots

Cosmo (formerly ClassUp)4 screens
Kids Learning Lab!4 screens

Verdict

The call

The clearest difference is rating: Kids Learning Lab! at 5.0 against Cosmo (formerly ClassUp)'s 4.5. Kids Learning Lab! also leads on update cadence (every 2 days vs every 9 days). Cosmo (formerly ClassUp)'s advantage is ratings volume (879 vs 1). 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 Kids Learning Lab! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Kids Learning Lab! 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.

UpkeepUpdate frequency

Cosmo (formerly ClassUp) ships an update every 9 days, Kids Learning Lab! every 2 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Cosmo (formerly ClassUp) versus Kids Learning Lab!: the parameters behind the verdict, then further details
ParameterCosmo (formerly ClassUp)Kids Learning Lab!
PriceFreeFree
Rating4.5 (879 ratings)5.0 (1 ratings) — better
Positive reviews79.8% of reviews—
Number of ratings879 — better1
Update frequencyEvery 9 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size408 MB89 MB
Age rating4+4+
DeveloperAlgorithm of Learning Inc.Kids Learning Lab

Customer experience

Cosmo (formerly ClassUp)

All ratings879 ratings
Positive86.1%
Neutral1.8%
Negative12.1%
Written reviews168 reviews
Positive79.8%
Neutral3.0%
Negative17.3%

Kids Learning Lab!

All ratings1 ratings
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

Kids Learning Lab!

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
1 purchases

Kids Learning Lab!

One-time1
  • Kids Learning Lab! Premium$2.49

Questions

Is Cosmo (formerly ClassUp) free?
Cosmo (formerly ClassUp) is free to download, with in-app purchases available.
Is Kids Learning Lab! free?
Kids Learning Lab! is free to download, with in-app purchases available.
Which has better reviews, Cosmo (formerly ClassUp) or Kids Learning Lab!?
Kids Learning Lab! is rated higher. Cosmo (formerly ClassUp) averages 4.5 out of 5 from 879 ratings, while Kids Learning Lab! averages 5.0 from 1 ratings.
Do Cosmo (formerly ClassUp) or Kids Learning Lab! have ads?
Neither Cosmo (formerly ClassUp) nor Kids Learning Lab! shows ads.
Which is updated more often, Cosmo (formerly ClassUp) or Kids Learning Lab!?
Cosmo (formerly ClassUp) ships an update every 9 days, and Kids Learning Lab! every 2 days. Most recently, Cosmo (formerly ClassUp) was updated on October 18, 2026 and Kids Learning Lab! on October 7, 2026.

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