Comparison

Cuemath vs Cosmo (formerly ClassUp)

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

Head to head
About

Cuemath

This app offers daily math practice and engaging games for children in grades 2-9. It focuses on building strong mathematical fitness through conceptual understanding, reasoning, memory, application, and fluency. The platform provides personalized workouts and brain training activities to foster confidence and problem-solving skills.

Highlights
  • Daily math practice
  • Interactive math games
  • Conceptual understanding
  • Reasoning and problem-solving
  • Personalized learning
  • Brain training activities
  • Progress tracking
Features
Read full description

Become MathFit with Cuemath Daily Math Practice and Math Games for Grade 2-9 Kids Cuemath is a leading math learning app designed to build complete mathematical fitness for every child. In today’s AI-powered world, getting answers is easy. Thinking clearly is not. That’s why this educational math app focuses on strong concepts, sharp reasoning, faster recall, and confident problem-solving. More than just a math games app, Cuemath is a complete math learning app that combines structured learning, daily math practice, brain training, and personalized challenges to build strong foundations and confident problem solvers. How We Make Kids MathFit? MathFit means your child can reason clearly, spot patterns, explain their thinking, and solve unfamiliar math problems with confidence - not just calculate fast. Cuemath builds mathematical fitness across five essential dimensions: Fluency: Build speed and accuracy across grade-level math skills through structured daily math practice and interactive math games designed for consistent improvement. Understanding: Develop deep conceptual clarity across core math topics, including number sense, operations, fractions, algebraic thinking, geometry, and problem solving. Memory: Strengthen recall of math facts and strategies using spaced practice, smart repetition, and engaging math practice activities. Application: Apply concepts to mixed practice, word problems, and real-world math challenges that build flexible thinking. Reasoning: Improve logical reasoning and critical thinking through strategy games, logic puzzles, brain games, and math quiz challenges. Together, these skills build strong math foundations, visible progress, and lasting confidence. What Kids Practice Inside the App? Daily Math Workout (Personalized Practice) -Personalized daily math practice -Mixed-skill, topic-based workouts -Adaptive math learning for Grades 2-9 -Master times tables with guided practice -Play fast-paced multiplication games to build speed -Improve mental math speed through quick challenges -Build recall using smart repetition Brain Training and Learning Games Solve engaging logic puzzles Play strategic brain games Take skill-based quiz challenges Strengthen focus and reasoning with brain training Full Curriculum Coverage Complete Grade 2-9 math support Practice fractions, decimals, algebra, and geometry Daily math practice across skills Every session blends structured learning with interactive educational games, making this a powerful math for kids experience. Designed for kids. Trusted by parents. For Students Practice grade-level math at your own pace Improve speed, accuracy, and reasoning Build strong math foundations Gain confidence through visible progress Compete safely in engaging math challenges For Parents Real-time progress tracking Identify learning gaps early Monitor math performance across skills Support effective after-school math learning Cuemath is a safe, ad-free math learning app built with privacy-first protection. Screen time becomes structured math practice time. Trusted Worldwide Families worldwide trust Cuemath as a leading math learning platform combining structured instruction, fun math games, and measurable academic growth. 2.5M+ learners 4.6/5 app rating 4.9/5 Trustpilot rating 80+ countries About Cuemath Cuemath is a global math learning company on a mission to build true mathematical fitness in every child. We go beyond rote practice - we build thinkers. Our 1:1 Online Math Tutoring offers personalized live sessions tailored to your child’s needs, strengthening foundations, accelerating grade-level math, and deepening understanding. Whether your child needs stronger basics or advanced challenges, Cuemath supports every stage of the MathFit journey. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

Screenshots

Cuemath4 screens
Cosmo (formerly ClassUp)4 screens

Verdict

The call

The clearest difference is ads: Cosmo (formerly ClassUp) at none against Cuemath's shown. Cuemath's advantage is ratings volume (3.2K vs 879) and iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and update cadence 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. Cuemath sells 4 in-app purchases, starting at $10.00 per month and Cosmo (formerly ClassUp) sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Cuemath against 4.5 for Cosmo (formerly ClassUp). Both are backed by a comparable volume of ratings — 3.2K and 879 respectively. Written reviews are what separate them: 76% of Cuemath's written reviews are positive against 80% of Cosmo (formerly ClassUp)'s.

UpkeepUpdate frequency

Cuemath ships an update every 8 days, Cosmo (formerly ClassUp) every 9 days. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Cuemath versus Cosmo (formerly ClassUp): the parameters behind the verdict, then further details
ParameterCuemathCosmo (formerly ClassUp)
PriceFreeFree
Rating4.6 (3.2K ratings) — better4.5 (879 ratings)
Positive reviews75.5% of reviews80.1% of reviews — better
Number of ratings3.2K — better879
Update frequencyEvery 8 days — betterEvery 9 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size79 MB408 MB
Age rating4+4+
DeveloperCuelearn Pvt. Ltd.Algorithm of Learning Inc.

Customer experience

Cuemath

All ratings3,182 ratings
Positive90.1%
Neutral2.8%
Negative7.1%
Written reviews233 reviews
Positive75.5%
Neutral3.4%
Negative21.0%

Cosmo (formerly ClassUp)

All ratings879 ratings
Positive86.1%
Neutral1.8%
Negative12.1%
Written reviews156 reviews
Positive80.1%
Neutral2.6%
Negative17.3%

User reviews

Cuemath

From 3.2K App Store ratings

What we love

  • 👍 Fun and engaging
  • 🚀 Helps improve math skills
  • 😊 Great for kids
  • 🤓 Challenging and educational
  • 💪 Develops problem-solving abilities

Room to improve

  • 🐛 App crashes and freezes
  • ⏱️ Strict time limits can be stressful
  • 🤔 Some questions not age-appropriate
  • 📞 Aggressive marketing with constant calls/texts

Cosmo (formerly ClassUp)

From 879 App Store ratings

What we love

  • 👍 Awesome teachers
  • 🚀 Personalized learning
  • 💡 Engaging and fun lessons
  • 🚀 Flexible scheduling
  • 👍 Knowledgeable and professional tutors

Room to improve

  • 🐛 Scheduling issues and class cancellations
  • 💰 Expensive pricing
  • 🤯 Poor customer service and communication
  • 🐛 Technical issues with app and connectivity

Bugs and requests

Cuemath

Reported bugs

3 issues
  • Login issues and account setup problems
  • Compatibility problems on certain devices
  • Incorrect answers or feedback in the app

Requested features

4 requests
  • More game options and variety
  • Ability to practice at own pace
  • Clearer performance tracking and progress reports
  • Better customer support and communication

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

In-app purchases

4 purchases

Cuemath

Subscriptions4
  • MathGym Infinite-Individual Monthly3 Days trial$10.001 Month
  • Cuemath Infinite Monthly14 Days trial$15.001 Month
  • MathGym Infinite-Individual Yearly3 Days trial$99.001 Year
Show 1 more
  • Cuemath Infinite Yearly14 Days trial$119.991 Year
3 purchases

Cosmo (formerly ClassUp)

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

Questions

Is Cuemath free?
Cuemath is free to download, with in-app purchases available.
Is Cosmo (formerly ClassUp) free?
Cosmo (formerly ClassUp) is free to download, with in-app purchases available.
Which has better reviews, Cuemath or Cosmo (formerly ClassUp)?
Cuemath is rated higher. Cuemath averages 4.6 out of 5 from 3.2K ratings, while Cosmo (formerly ClassUp) averages 4.5 from 879 ratings.
Do Cuemath or Cosmo (formerly ClassUp) have ads?
Cuemath shows ads; Cosmo (formerly ClassUp) does not.
Which is updated more often, Cuemath or Cosmo (formerly ClassUp)?
Cuemath ships an update every 8 days, and Cosmo (formerly ClassUp) every 9 days. Most recently, Cuemath was updated on September 23, 2026 and Cosmo (formerly ClassUp) on September 22, 2026.

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