Cosmo (formerly ClassUp) vs Code Ninjas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Code Ninjas
This app allows members to manage their accounts and communicate with their local Code Ninjas. Users can receive important notifications and easily register for programs, events, and classes.
- Account management
- Enhanced messaging
- Receive notifications
- Register for programs
- Register for events
- Register for classes
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Easily manage your account with enhanced messaging with your Code Ninjas location. Receive important notifications. Easily register for programs, events, classes.
Screenshots
Verdict
The clearest difference is review sentiment: Cosmo (formerly ClassUp) at 80% against Code Ninjas's 39%. Cosmo (formerly ClassUp) also leads on update cadence (every 9 days vs every 5 months). Code Ninjas's advantage is in-app purchases (none vs 3) and rating (4.8 vs 4.5). On price, ratings volume, ads and device support 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
Both are free to download. Cosmo (formerly ClassUp) sells 3 one-off in-app purchases. Code Ninjas asks for nothing beyond the download.
Code Ninjas holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 879 and 1.2K respectively. Written reviews complicate that: 80% of Cosmo (formerly ClassUp)'s written reviews are positive against 39% of Code Ninjas's, so the app with the better star average is not the one people write more warmly about.
Cosmo (formerly ClassUp) ships an update every 9 days, Code Ninjas every 5 months. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.
| Parameter | Cosmo (formerly ClassUp) | Code Ninjas |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (879 ratings) | 4.8 (1.2K ratings) — better |
| Positive reviews | 79.8% of reviews — better | 39.0% of reviews |
| Number of ratings | 879 | 1.2K — better |
| Update frequency | Every 9 days — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.4 — better |
| Further details — not scored | ||
| Size | 408 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Algorithm of Learning Inc. | CODE NINJAS, LLC |
Customer experience
Cosmo (formerly ClassUp)
Code Ninjas
User reviews
Cosmo (formerly ClassUp)
From 879 App Store ratingsWhat 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
Code Ninjas
From 1.2K App Store ratingsWhat we love
- 👍 Friendly and knowledgeable staff
- 👍 Supportive environment for children
- 👍 Children enjoy the coding classes
- 👍 Helps build strong foundations in coding
Room to improve
- 🐛 App issues (crashes, not loading, etc.)
- 🕰️ Limited scheduling flexibility
- 💰 Unfair charges even after quitting the program
- 🙍♀️ Poor customer service and management
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
Code Ninjas
Reported bugs
3 issues- App not loading or crashing
- Scheduling issues and unreliable class information
- Billing problems and unexpected charges
Requested features
4 requests- Calendar integration for class scheduling
- Ability to view session usage and carry-over hours
- Improved app design and user experience
- Removal of unnecessary features (e.g., Studio Code)
In-app purchases
Cosmo (formerly ClassUp)
- First Class$0.99
- Test 20 lessons package$0.99
- 3 one-on-one classes$74.99
Code Ninjas
No in-app purchases
Questions
Is Cosmo (formerly ClassUp) free?
Is Code Ninjas free?
Which has better reviews, Cosmo (formerly ClassUp) or Code Ninjas?
Do Cosmo (formerly ClassUp) or Code Ninjas have ads?
Which is updated more often, Cosmo (formerly ClassUp) or Code Ninjas?
Other comparisons
