Comparison

codeSpark vs Otto 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 introduces children aged 3-10 to coding through a variety of fun puzzles, games, and creative tools. Kids can design their own games, participate in contests, and learn computational thinking without needing to read. It offers a safe, ad-free environment with a parent dashboard for progress tracking.

Highlights
  • Hundreds of coding games and activities
  • Create and publish own games
  • Storytelling and creativity tools
  • Monthly coding contests
  • Multiplayer coding games
  • Parent dashboard for progress tracking
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

Otto AR

Features
Read full description

Meet Otto, your owl guide to the Robin and Doug Shore Innovation Center at Kennesaw State University. Otto AR turns a walk through the building into an interactive augmented-reality tour. Explore 18 stops across three floors. At each research lab, scan Otto’s marker and watch 3D models of the work happening inside come to life, from biomedical devices to energy, cybersecurity, and infrastructure. Otto explains what each lab does, quizzes you to test what you learned, and hands out badges as you go. 18 stops to explore across three floors Collect all 9 Otto owls, one at each research lab 3D augmented-reality models at every stop Otto narrates the tour with voice guidance Quick quizzes and mini-games so you actually remember what you saw Complete the Parliament to earn your badge Solo or team modes: explore at your own pace or race a friend No account required and no personally identifying information collected, just anonymous usage data that helps improve the tour. Point your phone and explore. Built for visitors to the Shore Innovation Center at Kennesaw State University.

Screenshots

codeSpark4 screens
Otto AR3 screens

Verdict

The call

The clearest difference is in-app purchases: Otto AR at none against codeSpark's 10. codeSpark's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads 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 8 in-app purchases, starting at $7.99 per month. Otto AR asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
codeSpark versus Otto AR: the parameters behind the verdict, then further details
ParametercodeSparkOtto AR
PriceFreeFree
Rating4.6 (41K ratings) — better—
Positive reviews51.6% of reviews—
Number of ratings41K — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size132 MB418 MB
Age rating4+4+
DeveloperHomerKSURSF

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

Otto AR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

codeSpark

Subscriptions8
  • codeSpark Academy Enrollment7 Days trial$7.991 Month
  • codeSpark Academy Enrollment7 Days trial$9.991 Month
  • codeSpark Academy Enrollment1 Month trial$9.991 Month
Show 5 more
  • codeSpark Academy Enrollment7 Days trial2 variants$12.991 Month
  • codeSpark Academy Enrollment7 Days trial$15.001 Month
  • 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

Otto AR

No in-app purchases

Questions

Is codeSpark free?
codeSpark is free to download, with in-app purchases available.
Is Otto AR free?
Otto AR is free to download, with no in-app purchases.
Do codeSpark or Otto AR have ads?
Neither codeSpark nor Otto AR shows ads.
Which is updated more often, codeSpark or Otto AR?
codeSpark ships an update every 2 weeks, and Otto AR every 2 weeks. Most recently, codeSpark was updated on November 13, 2026 and Otto AR on October 31, 2026.

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