Comparison

LingoAce for Student 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

LingoAce for Student

This platform offers live online classes for children aged 3-15 to learn Mandarin Chinese, English, and Math. It connects students with certified teachers for personalized, engaging instruction to build confidence and academic skills.

Highlights
  • Live 1-on-1 and group classes
  • Certified native-speaking teachers
  • Curriculum aligned with global standards
  • Interactive courseware and gamified practice
  • Personalized learning for all levels
  • Singapore Math method for logic skills
Read full description

Inspire Young Learners with Live Online Classes for Chinese, English, Math & More. LingoAce is an award-winning online learning platform offering engaging, personalized instruction in Mandarin Chinese, English and Math for kids ages 3–15. With 20M+ live classes delivered to students in 110+ countries, we connect young learners with professionally certified teachers – anytime, anywhere. Whether your child is just starting out or aiming for academic excellence, LingoAce helps them build confidence, fluency, and critical thinking skills through immersive, expert-led lessons. LingoAce Chinese The best way for kids to learn Mandarin Chinese Designed for ages 3–15, our research-based curriculum helps children speak, listen, read, and write in Chinese with confidence. Why families love it: - Live 1-on-1 or group classes with native, accredited Chinese teachers - Curriculum aligned with HSK, AP Chinese, and global language standards - Interactive courseware with games, picture books & fun homework - Supports all levels & bilingual backgrounds LingoAce English Build real fluency with native English teachers For learners ages 4–11, our English program combines proven techniques and native-speaking teachers to spark language growth. Program highlights: - TEFL-certified British & American teachers with TPR techniques - Curriculum aligned with CEFR language standards - Engaging storytelling, gamified practice & closed-loop review - Helps children excel in listening, speaking, reading, and writing LingoAce Math Master math with the proven Singapore Math method Ideal for ages 5–15, our Math program strengthens logic and analytical skills in a fun, collaborative way. Why parents choose LingoAce Math: - Developed by the Stanford Doctor - Aligns with US CCSS standards - Small class sizes (max 6 students) for personalized learning - Prepares for Olympiad Math and academic excellence About Us Founded in 2017, LingoAce is a global edtech company headquartered in Singapore with teams across the US, Europe, China, and Southeast Asia. We have over 5,000 certified teachers and are proud to have taught more than 20 million classes to PreK-12 learners worldwide. Recognized by: - Fast Company’s World’s Most Innovative Companies (2023) - GSV EdTech 150 (2022 & 2023) Support & Contact Website: www.lingoace.com Email: welcome@lingoace.com Follow us: - Facebook: LingoAce Global - Instagram: @lingoaceus - Twitter: @LingoAce Love our app? Leave us a review – we’d love to hear from you!

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

LingoAce for Student4 screens
Cosmo (formerly ClassUp)4 screens

Verdict

The call

The clearest difference is rating: Cosmo (formerly ClassUp) at 4.5 against LingoAce for Student's 3.9. Cosmo (formerly ClassUp) also leads on review sentiment (80% vs 59%) and update cadence (every 9 days vs every 3 weeks). LingoAce for Student's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads 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. LingoAce for Student asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Cosmo (formerly ClassUp) holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 792 and 879 respectively. Written reviews point the same way: 59% of LingoAce for Student's written reviews are positive against 80% of Cosmo (formerly ClassUp)'s.

UpkeepUpdate frequency

LingoAce for Student ships an update every 3 weeks, Cosmo (formerly ClassUp) every 9 days. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

Scorecard5 real differences · 5 level
LingoAce for Student versus Cosmo (formerly ClassUp): the parameters behind the verdict, then further details
ParameterLingoAce for StudentCosmo (formerly ClassUp)
PriceFreeFree
Rating3.9 (792 ratings)4.5 (879 ratings) — better
Positive reviews59.1% of reviews80.1% of reviews — better
Number of ratings792879 — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size285 MB408 MB
Age rating4+4+
DeveloperPPLINGO Pte LtdAlgorithm of Learning Inc.

Customer experience

LingoAce for Student

All ratings792 ratings
Positive71.7%
Neutral5.7%
Negative22.6%
Written reviews308 reviews
Positive59.1%
Neutral8.1%
Negative32.8%

Cosmo (formerly ClassUp)

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

User reviews

LingoAce for Student

From 792 App Store ratings

What we love

  • 👍 Nice and caring teachers
  • 🎉 Enjoyable lessons
  • 🤝 Friendly teachers
  • 🏫 Great for kids
  • 🧠 Helps learn Chinese

Room to improve

  • 🐛 Teachers sometimes go off topic
  • 🕰️ Lessons can be boring
  • 📚 Homework is too difficult
  • 🤖 AI grading issues
  • 🤖 Microphone and camera issues

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

LingoAce for Student

Reported bugs

4 issues
  • Frequent app crashes
  • Issues with homework submission
  • Microphone and camera not working properly
  • Inconsistent grading by AI

Requested features

4 requests
  • Add shorter class duration option
  • Improve homework submission process
  • Enhance audio and video quality
  • Provide more engaging lesson content

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

None

LingoAce for Student

No 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

Questions

Is LingoAce for Student free?
LingoAce for Student is free to download, with no in-app purchases.
Is Cosmo (formerly ClassUp) free?
Cosmo (formerly ClassUp) is free to download, with in-app purchases available.
Which has better reviews, LingoAce for Student or Cosmo (formerly ClassUp)?
Cosmo (formerly ClassUp) is rated higher. LingoAce for Student averages 3.9 out of 5 from 792 ratings, while Cosmo (formerly ClassUp) averages 4.5 from 879 ratings.
Do LingoAce for Student or Cosmo (formerly ClassUp) have ads?
Neither LingoAce for Student nor Cosmo (formerly ClassUp) shows ads.
Which is updated more often, LingoAce for Student or Cosmo (formerly ClassUp)?
LingoAce for Student ships an update every 3 weeks, and Cosmo (formerly ClassUp) every 9 days. Most recently, LingoAce for Student was updated on September 22, 2026 and Cosmo (formerly ClassUp) on September 28, 2026.

Other comparisons