Comparison

codeSpark vs Math Worlds AR

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

Head to head
About

codeSpark

This app offers hundreds of interactive coding games and activities for children aged 3-10. Kids can solve puzzles, design their own games and stories, and even participate in coding contests. It focuses on building essential coding concepts and problem-solving skills in a safe, ad-free environment.

Highlights
  • Hundreds of coding games and activities
  • Create your own games and stories
  • Puzzles to master coding concepts
  • Monthly coding contests
  • Multiplayer coding challenges
  • Pre-coding activities for preschoolers
Read full description

codeSpark: The Award-Winning Learn-to-Code App for Kids (Ages 3–10) 100s of coding games & activities—plus tools to create your own! Kids as young as 3 can start coding through play with puzzles, storytelling, and creativity tools designed just for them. Older kids can design and publish their own games, join monthly contests, and explore projects created by other kid coders. Get full access with a monthly or annual subscription—try membership free for 7 days! Annual subscribers can create up to 5 child profiles, making codeSpark perfect for families with multiple learners. OR play limited content through Hour of Code with no credit card required. Learn Coding Through Play - Puzzles – Master core coding and problem-solving concepts level by level - Create – Design and code your own games and interactive stories - Made by Kids – Play and explore games created by other young coders around the world - Monthly Coding Contests – Showcase creativity, code projects, and win prizes - Code Together – Join friends in a multiplayer water balloon fight while practicing coding logic - Pre-Coding for Preschoolers – Activities designed for early learners ages 3–4 - Adventure Maps – Unlock new puzzles and challenges while progressing through fun coding worlds Educational Benefits Backed by Research codeSpark’s curriculum is based on research from MIT, Princeton, and Carnegie Mellon. Kids learn the basics of computer science in a fun, accessible way—without words. - Coding concepts: sequencing, loops, conditionals, events, and debugging - Computational thinking: problem-solving, logic, pattern recognition, and creativity - Reinforces early skills: reading, math, and critical thinking - Builds confidence, perseverance, and collaboration through play - Encourages design thinking by letting kids turn ideas into working games and stories Kid-Safe & Ad-Free - Every game and story is reviewed before publishing to ensure safety - No ads, no micro-transactions, no distractions - Parent dashboard to manage profiles and track progress - A trusted environment for independent learning Praise from Parents & Teachers “My daughters are 6 and 8, and this is their new favorite game. Now they want to be programmers!” – Parent Review “I loved seeing how my children enjoyed working together on the puzzles.” – Parent Review Teachers and parents worldwide use codeSpark to introduce coding in classrooms, after-school programs, and at home. Kids stay motivated because the learning feels like play, and they are proud to share their creations. - Awards & Recognition - The LEGO Foundation – Pioneer in Reimagining Learning & Play - Children’s Technology Review – Editor’s Choice Award - Parent’s Choice Award – Gold Medal - Collision Conference – Kids & Family Silver Winner Why Families Choose codeSpark - Designed for kids ages 3–10 with no reading required - Builds STEM skills through fun, engaging coding challenges - Supports creativity with open-ended game and story design tools - Encourages collaboration through multiplayer games and contests - Trusted by parents, teachers, and schools worldwide - Helps kids see themselves as creators, problem-solvers, and future innovators Subscription & Download Start with a 7-day free membership trial. Subscriptions renew automatically; manage or cancel anytime in Account Settings. Annual subscribers can create up to 5 child profiles, making it easy to support the whole family. Privacy Policy: http://codespark.com/privacy/ Terms of Use: http://codespark.com/terms/ Start your child’s coding journey today with codeSpark—the award-winning learn-to-code app that makes programming fun, safe, and accessible for every kid ages 3–10!

About

Math Worlds AR

This augmented reality game transforms a book cover into an interactive math learning experience for children. It offers various game levels covering core math concepts from kindergarten to sixth grade, encouraging active practice and engagement.

Highlights
  • Augmented reality book cover scanning
  • Interactive math game levels
  • Covers K-6 math curriculum
  • Encourages active learning
  • Homework activity option
  • No personal data collection
Features
Read full description

Welcome to Math Worlds AR! Math Worlds AR is an augmented reality game that turns your kids’ book cover into a fun, unique learning experience. To play, open the app and scan either the Student Activity Book or the Teacher’s Edition cover from any grade using a smartphone or tablet. Then watch an augmented reality game pop right out of it! There’s one game level for every unit in every grade (K–6). Math Worlds AR gets students out of their seats and practicing the math they’re learning. It can also serve as a short, fun homework activity. In order to access this app’s content, you will need any book cover from HMH’s Math Expressions 2018 program, or download complete list of levels, associated lessons and target images for free at: https://www.hmhco.com/~/media/sites/home/education/disciplines/mathematics/elementary/math-expressions/math-worlds-levels.pdf Game levels include… Counting and cardinality Number partners Addition, subtraction, multiplication, and division Geometry Place value Money, time, and measurement Fractions, decimals, and integers Graphing Expressions and equations Gameplay Find the spheres hidden throughout the map. Move your device around the cover and even move the cover itself to get the full experience. Earn bonus points for finding spheres quickly. The game lends itself well to students working in pairs. App Info This app does not collect any personally identifiable information. This app contains no social media sharing or links to websites. This app does not track the user’s location. For users age 6 or younger, we recommend child-safe device covers. Avoid pressing buttons or controls outside the main screen area when holding the device as doing so may minimize or close the game.

Screenshots

codeSpark4 screens
Math Worlds AR4 screens

Verdict

The call

The clearest difference is rating: codeSpark at 4.6 against Math Worlds AR's 3.5. codeSpark also leads on update cadence (fortnightly vs every 13 months) and ratings volume (41K vs 2). Math Worlds AR's advantage is in-app purchases (none vs 14) and iOS requirement (9.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. codeSpark sells 11 in-app purchases, starting at $3.99 per month. Math Worlds AR asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

codeSpark holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: codeSpark has 41K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

codeSpark ships an update fortnightly, Math Worlds AR every 13 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

Scorecard6 real differences · 4 level
codeSpark versus Math Worlds AR: the parameters behind the verdict, then further details
ParametercodeSparkMath Worlds AR
PriceFreeFree
Rating4.6 (41K ratings) — better3.5 (2 ratings)
Positive reviews51.6% of reviews—
Number of ratings41K — better2
Update frequencyFortnightly — betterEvery 13 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size126 MB201 MB
Age rating4+4+
DeveloperHomerHoughton Mifflin Harcourt

Customer experience

codeSpark

All ratings40,564 ratings
Positive89.0%
Neutral2.8%
Negative8.1%
Written reviews1,434 reviews
Positive51.6%
Neutral6.3%
Negative42.1%

Math Worlds AR

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

codeSpark

Reported bugs

5 issues
  • Disappearing progress and lost stories
  • Inconsistent performance and crashes
  • Incorrect item purchases and coin deductions
  • Inability to access drafts and profiles
  • Incompatibility issues with newer devices

Requested features

5 requests
  • Add more pet foos and customization options
  • Improve story sharing and collaboration features
  • Introduce more puzzles and challenges
  • Allow custom character and block creation
  • Implement better communication between coders

Math Worlds AR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

codeSpark

Subscriptions11
  • codeSpark Academy Enrollment7 Days trial$3.991 Month
  • codeSpark Academy Enrollment7 Days trial$7.991 Month
  • codeSpark Academy Enrollment7 Days trial$9.991 Month
Show 8 more
  • codeSpark Academy Enrollment1 Month trial$9.991 Month
  • codeSpark Academy Enrollment7 Days trial2 variants$12.991 Month
  • codeSpark Academy Enrollment7 Days trial$15.001 Month
  • codeSpark Academy Enrollment7 Days trial$23.993 Months
  • codeSpark Holiday Annual Membership7 Days trial$63.001 Year
  • codeSpark Academy Enrollment7 Days trial2 variants$79.991 Year
  • codeSpark Academy Enrollment7 Days trial$90.001 Year
  • codeSpark Academy Enrollment7 Days trial$99.991 Year
None

Math Worlds AR

No in-app purchases

Questions

Is codeSpark free?
codeSpark is free to download, with in-app purchases available.
Is Math Worlds AR free?
Math Worlds AR is free to download, with no in-app purchases.
Which has better reviews, codeSpark or Math Worlds AR?
codeSpark is rated higher. codeSpark averages 4.6 out of 5 from 41K ratings, while Math Worlds AR averages 3.5 from 2 ratings.
Do codeSpark or Math Worlds AR have ads?
Neither codeSpark nor Math Worlds AR shows ads.
Which is updated more often, codeSpark or Math Worlds AR?
codeSpark ships an update fortnightly, and Math Worlds AR every 13 months. Most recently, codeSpark was updated on October 14, 2026 and Math Worlds AR on October 10, 2026.

Other comparisons