Comparison

Coding Galaxy vs SignMaster

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

Head to head
About

Coding Galaxy

This app offers an award-winning platform for K-12 students to develop computational thinking and coding skills through engaging lessons and games. It provides over 200 missions, various learning modes, and detailed progress tracking to foster problem-solving and critical thinking.

Highlights
  • Over 200 learning missions
  • Multiple learning modes (Self-Learning, Collaborative, eSports)
  • Scaffolding learning process with hints
  • Adventurous storyline and heroic tasks
  • User performance tracking
  • In-app learning reports
  • Aligned with International Computer Science Education Standard
Features
Read full description

Hour of Code - Adventure Planet • 10 free learning missions for beginners as you to experience the exciting coding puzzles • Teaching plans and worksheets are available for in-class teaching ------------------------------- Coding Galaxy is an award-winning learning solution designed for K–12 students to develop computational thinking skills and get familiar with concepts in coding and innovative technologies. With engaging lessons, learning games and projects for 21st century technology education, we foster and shape next generation innovators. Coding Galaxy - Computational Thinking learning series has been qualified by Education Alliance Finland, recognized by SIIA CODiE Award, Asia Smart App Awards and Hong Kong ICT Awards. As a passionate team in education, we will continue to enhance teaching and learning with technologies Coding Galaxy is a platform for learning computational thinking, designed for students aged 5 or above. The complete teaching package includes learning software, unplugged activities, teaching plans and tools, and learning reports. The course content is designed and written by experienced teachers and educational technology specialists, integrating learning design and curriculum from across the globe, including Europe, America and Asia. Through over 200 missions and a variety of learning activities, the course develops students with problem-solving, critical thinking, communication and leadership skills. With the comprehensive teaching package, the teacher will deliver quality lessons of these skills and knowledge of the 21st century with ease, fostering the next generation of talents. **Learning Objectives** 1. Develop computational thinking skill and problem-solving skills (Induction and deduction, Decomposition, Pattern Recognition, Abstraction, Algorithmic Thinking, Testing and Debugging) 2. Master basic computer science concepts: Sequence, Looping, Conditional Logic, Function, and Parallelism 3. Broaden essential life skills with the 4Cs (Critical Thinking, Communication, Collaboration, Creativity) and leadership skills **Highlighted Features** - More than 200 missions - Multiple Learning modes (Self-Learning, Collaborative and eSports mode) for different learning environments - Scaffolding learning process with in-game instructions and hints - Engaging learning experience with adventurous storyline and heroic tasks - Users performance tracking - In-app learning report - Well aligns with the International Computer Science Education Standard, by building up fundamental computational thinking skills

About

SignMaster

Master signed number operations with this free educational app. It offers guided solutions, diverse challenges, and progress tracking for students of all levels. Learn addition, subtraction, multiplication, and division of signed numbers interactively.

Highlights
  • Addition, subtraction, multiplication, division of signed numbers
  • Step-by-step guided solutions
  • Beginner to expert skill levels
  • Progress tracking
  • Offline learning capability
  • User-friendly interface
Read full description

Unlock the power of mathematical mastery with "SignMaster", a free app designed to revolutionize the way students learn essential operations with signed numbers: addition, subtraction, multiplication and division. Whether you're a beginner navigating the basics or an expert seeking to overcome challenges, this app is your ultimate companion on the journey to mathematical excellence. - Empower Your Math Journey: Embark on a dynamic learning experience designed to elevate your math skills through engaging and interactive exercises tailored just for you. - Guided Solutions: Each exercise is accompanied by step-by-step solutions, meticulously crafted to eliminate confusion and seamlessly guide you through the enchanting world of mathematics. - Diverse Challenges: Explore the magic of math with a delightful variety of operations and skill levels, ensuring a captivating and enriching learning journey. - Tailored for Students: * Beginner-Friendly: Perfect for students initiating their exploration of signed numbers, providing a smooth transition from basic operations to conquering complex challenges. * Expert Recommended: Highly endorsed for students grappling with signed numbers, offering a pathway to unlock a wealth of knowledge and boost confidence with every solved exercise. - User-Friendly Interface: Enjoy a stress-free learning adventure with our app's intuitive interface and thoughtfully designed features, making math practice an enjoyable and accessible experience. - Learn Anywhere, Anytime: Take the joy of learning with you, even without an internet connection. Our app ensures that the pursuit of knowledge knows no bounds! - Practice and Progress: Unleash your mathematical potential in our dedicated practice section! From simple calculations to intricate problem-solving, track your progress, and witness your skills soar. Each correct answer propels you closer to math mastery, turning learning into a rewarding and enjoyable experience. Privacy Assurance: Your privacy is our priority! Immerse yourself in a secure learning environment, where your focus is solely on conquering mathematical challenges. **Ready to level up your math knowledge? Download now and embark on an epic adventure of mastering the incredible world of signed numbers with different operations. Be the math hero you were meant to be!

Screenshots

Coding Galaxy4 screens
SignMaster4 screens

Verdict

The call

The clearest difference is review sentiment: SignMaster at 100% against Coding Galaxy's 0%. Coding Galaxy's advantage is update cadence (every 2 months vs every 15 months) and iOS requirement (11.0 vs 16.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Coding Galaxy ships an update every 2 months, SignMaster every 15 months. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 7 level
Coding Galaxy versus SignMaster: the parameters behind the verdict, then further details
ParameterCoding GalaxySignMaster
PriceFreeFree
Rating3.6 (5 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings5 — better—
Update frequencyEvery 2 months — betterEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size323 MB16 MB
Age rating4+4+
DeveloperTangor Technology LimitedBelaid Ouharrou Alrais

Customer experience

Coding Galaxy

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SignMaster

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Coding Galaxy

No in-app purchases

None

SignMaster

No in-app purchases

Questions

Is Coding Galaxy free?
Coding Galaxy is free to download, with no in-app purchases.
Is SignMaster free?
SignMaster is free to download, with no in-app purchases.
Do Coding Galaxy or SignMaster have ads?
Neither Coding Galaxy nor SignMaster shows ads.
Which is updated more often, Coding Galaxy or SignMaster?
Coding Galaxy ships an update every 2 months, and SignMaster every 15 months. Most recently, Coding Galaxy was updated on September 29, 2026 and SignMaster on September 15, 2026.

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