Comparison

STEM Quest vs Code Playground

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

Head to head
About

STEM Quest

Features
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STEM Quest is the educational adventure where kids defeat bosses by solving math, science, and coding challenges. No ads. No tracking. Just learning that feels like winning. Your child will battle: Numbra, Decimo, and Algorath in the Math World Bunsen, Cryo, and the Element Demon in the Science World Bug Hydra, Stack Overflow, and the Compiler King in the Coding World Each boss requires real problem-solving to defeat. Get an answer right, deal damage. Get one wrong, the boss strikes back. Suddenly, math homework looks like a video game. WHAT KIDS LOVE - Five unique bosses per realm, with hand-drawn art that gets more epic as you level up - Difficulty scales from early counting through middle-school algebra - Earn coins, unlock gear, and level up your hero - A growing roster of evolving characters (from Magma Pup to Inferno Drake) - Endless Tower mode for kids who refuse to stop playing WHAT PARENTS LOVE - No ads. No in-app purchases pushed at kids. No behavioral tracking. - COPPA-compliant by design โ€” we collect the minimum data needed and never sell anything - Content automatically scales to your child's age (5-7, 8-11, 12-14, or 15+) - Real curriculum-aligned questions across math, science, and coding - A privacy policy you can actually read: https://stemquest.valosinmedia.com/privacy/ Designed for kids 6-11, fun through 14+, and built by a parent who wanted something he'd actually be happy to put on his own kid's iPad. Welcome to STEM Quest. Let's go defeat a dragon.

About

Code Playground

Read full description

Code Playground: Data Structures for Kids is an interactive coding learning app made for kids, students, and beginner programmers. The app turns beginner computer science topics into fun games and simple lessons. Kids learn coding step by step through colorful activities, real-life examples, JavaScript snippets, quizzes, and rewards. Instead of memorizing difficult definitions, learners explore coding concepts using playful examples such as toy boxes, school lines, train cars, stickers, cards, and treasure hunts. What learners can explore: Variables Data Types Operators Conditions Loops Functions Arrays Objects Data Structures Stack Queue Set Map Linked List Sorting Searching Each topic includes: Short concept overview Real-life analogy Simple JavaScript example Interactive activity Mini game Practice questions Quiz Progress unlock system Interactive games include: Array Builder Stack Plate Game Queue Line Game Object Card Maker Set Duplicate Finder Map Match Game Linked List Train Sorting Cards Treasure Search App highlights: Designed for kids and beginners Simple JavaScript learning Colorful and playful interface Game-based coding practice Stars, XP points, badges, and progress Short lessons with easy examples Great for home learning and classroom support No advanced coding knowledge needed Code Playground makes coding feel like an adventure. Kids complete levels, unlock new topics, earn rewards, and build confidence while learning important programming foundations. Perfect for: Kids starting coding Beginner JavaScript learners Parents looking for coding education apps Teachers introducing programming concepts Students preparing for computer science basics Start learning, playing, and coding today!

Screenshots

STEM Quest4 screens
Code Playground4 screens

Verdict

The call

The clearest difference is in-app purchases: Code Playground at none against STEM Quest's 8. Code Playground also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. STEM Quest sells 8 one-off in-app purchases. Code Playground asks for nothing beyond the download.

UpkeepUpdate frequency

STEM Quest ships an update every 2 months, Code Playground fortnightly. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

Scorecard2 real differences ยท 4 level
STEM Quest versus Code Playground: the parameters behind the verdict, then further details
ParameterSTEM QuestCode Playground
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac โ€” better
Requires iOS15.015.0
Further details โ€” not scored
Size38 MB6 MB
Age rating4+4+
DeveloperShawn ValosinGeekpoint Technologies Private Limited

In-app purchases

8 purchases

STEM Quest

One-time8
  • Inferno Guard$2.99
  • Volcanic Core$2.99
  • Storm Bringer$4.99
Show 5 more
  • Shadow Realm$6.99
  • Cyber Mainframe$7.99
  • System Overload$9.99
  • Apex Predator$14.99
  • Master of Elements$19.99
None

Code Playground

No in-app purchases

Questions

Is STEM Quest free?
STEM Quest is free to download, with in-app purchases available.
Is Code Playground free?
Code Playground is free to download, with no in-app purchases.
Do STEM Quest or Code Playground have ads?
Neither STEM Quest nor Code Playground shows ads.
Which is updated more often, STEM Quest or Code Playground?
STEM Quest ships an update every 2 months, and Code Playground fortnightly. Most recently, STEM Quest was updated on October 25, 2026 and Code Playground on October 12, 2026.

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