Comparison

Marble Math Junior vs STEMWerkz

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

Head to head
About

Marble Math Junior

Practice essential math skills with a fun maze game. Collect numbers, solve problems, and earn rewards while navigating through challenging levels. Audio questions are available for emerging readers.

Highlights
  • Maze-based math problem solving
  • Audio questions for emerging readers
  • Customizable math concepts and difficulty
  • Unlimited user profiles
  • Progress tracking and high score pursuit
  • Reinforces Common Core Curriculum concepts
Features
Read full description

Solve math problems by collecting numbers as you move your marble through a series of fun mazes (with audio questions for emerging readers). * Common Sense Media Award Winner * Parents Magazine Best Math App ________________________________ REVIEWERS SAY... "One of the most fun, customizable, and effective math games available for early elementary school-age kids." - Common Sense Media "This is not your standard skill and drill, but a much more sophisticated game of mental math" - Teachers With Apps ________________________________ FUN MATH PRACTICE: Based on the Common Core Curriculum, Marble Math Junior is an engaging way for early elementary students to practice mental math. Earn new marbles and collect bonuses while reinforcing key concepts in pursuit of a high score. But watch out math whizzes! You’ll need to be focused and nimble to avoid the obstacles in your path. WRONG ANSWER? NO PROBLEM: Marble Math Junior gives you the option to replay the question or show the correct answer, before moving on to the next problem. UNLIMITED USER ACCOUNTS: Add as many custom profiles as you like. Individual game settings and progress are saved in each player profile. Create different profiles, each tailored for specific practice and abilities. CUSTOMIZE FOR SPECIFIC CONCEPTS AND ABILITY: Parents and teachers can customize gameplay to focus on specific math concepts by selecting problem types for each player and level. MARBLE MATH JUNIOR CONCEPTS INCLUDE: • shape recognition/matching • sequencing number values and ordinals • addition, subtraction and multiplication to 100 • identifying fractions • counting money (USD, AUD, CAD, EUR or GBP) • telling time • completing addition equations And more... Additionally, early learners who may not be reading yet can tap on a problem to hear it spoken. Thanks for playing Marble Math Junior! ________________________________ MADE BY EDUCATIONAL GAME DESIGNERS We're a small team of educational game designers who care deeply about crafting fun learning experiences for kids. We include kids, parents and teachers in our game development and testing to make sure our apps are exceptional tools that kids want to use again and again. ________________________________ Website: www.artgigapps.com Follow us: twitter.com/artgigapps Like us: Facebook.com/artgigapps Please reach out: hello@artgigapps.com ________________________________ PRIVACY We hold your privacy and the privacy of your child in the highest regard and we do not collect or share any personal information. Read our complete privacy policy at artgigapps.com. Marble Math Junior has no in-app purchases or third party advertising.

About

STEMWerkz

This app offers interactive STEM learning experiences for children aged 5-12. It features game-based learning, guided lessons, and live sessions with certified educators to develop problem-solving and critical-thinking skills.

Highlights
  • Multimodal learning activities
  • Game-based learning zone
  • Guided learning journey
  • Library of interactive lessons
  • Live interactive lessons with certified educators
  • Progress tracking and quizzes
Features
Read full description

Helping your child develop problem-solving and critical-thinking life skills through STEM Learning. Designed for children ages 5 to 12 years old, STEMWerkz provides: → Multimodal Learning: Different interactive activity zones in STEMWerkz to cater to different kids → Designed by Experts: Developed in consultation with leading international experts in pedagogy and STEM education → Great Value: Hundreds of engaging mini-lessons spanning more than 4000 minutes of learning at an affordable price → Progress Tracking: Check your child’s knowledge with our curated quiz or review the lesson topics with the summary provided. ◆ Our universal contents illustrate various topics and concepts for learners of all ages. Our multimodal platform includes zones like: → Game-based Learning: An online game and adventure for your child to build a virtual city, problem-solve, and restore peace in STEAMValley. They do this by engaging characters and applying their knowledge and practice of STEAM to reach achievements. → A Guided Learning Journey: Explore our mini interactive lessons tailored to your child’s grade level! Check your child’s knowledge with our curated quiz or review the lesson topics with the summary provided. → Library of Mini Interactive Lessons: Over 800 learning stories made for your child, at their own learning pace or to assist them with learning their school homework! → Live Interactive Lessons: Live enrichment lessons conducted by AMDON’s dynamic group of certified educators, using an inquiry-based curriculum designed by pedagogy experts. ◆ Get ALL these with your STEMWerkz subscription!

Screenshots

Marble Math Junior4 screens
STEMWerkz4 screens

Verdict

The call

The clearest difference is price: STEMWerkz at Free against Marble Math Junior's $3.99. STEMWerkz also leads on update cadence (fortnightly vs every 4 months) and rating (5.0 vs 4.6). Marble Math Junior's advantage is in-app purchases (none vs 2) and ratings volume (1.9K vs 4). On review sentiment, 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

STEMWerkz is free to download; Marble Math Junior costs $3.99 up front. STEMWerkz sells 2 in-app purchases, starting at $11.99 per month. Marble Math Junior asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

STEMWerkz holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Marble Math Junior has 1.9K ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 77% and 77% positive.

UpkeepUpdate frequency

Marble Math Junior ships an update every 4 months, STEMWerkz fortnightly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

Scorecard7 real differences · 3 level
Marble Math Junior versus STEMWerkz: the parameters behind the verdict, then further details
ParameterMarble Math JuniorSTEMWerkz
Price$3.99Free — better
Rating4.6 (1.9K ratings)5.0 (4 ratings) — better
Positive reviews76.9% of reviews76.9% of reviews
Number of ratings1.9K — better4
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size79 MB40 MB
Age rating4+4+
DeveloperArtgig StudioAmdon Consulting Pte Ltd

Customer experience

Marble Math Junior

All ratings1,939 ratings
Positive89.9%
Neutral5.6%
Negative4.5%
Written reviews65 reviews
Positive76.9%
Neutral7.7%
Negative15.4%

STEMWerkz

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews13 reviews
Positive76.9%
Neutral0.0%
Negative23.1%

Bugs and requests

Marble Math Junior

Reported bugs

4 issues
  • Marble getting stuck in corners
  • Next level button not working
  • Scoring system not functioning properly
  • Compatibility issues on older devices

Requested features

4 requests
  • More avatar customization options
  • Ability to create custom levels
  • Multiplayer or competitive modes
  • Expanded math concepts beyond basic arithmetic

STEMWerkz

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Marble Math Junior

No in-app purchases

2 purchases

STEMWerkz

Subscriptions2
  • STEMWerkz Monthly7 Days trial$11.991 Month
  • Stemwerkz Yearly Sub7 Days trial$119.991 Year

Questions

Is Marble Math Junior free?
Marble Math Junior costs $3.99, with no in-app purchases.
Is STEMWerkz free?
STEMWerkz is free to download, with in-app purchases available.
Which has better reviews, Marble Math Junior or STEMWerkz?
STEMWerkz is rated higher. Marble Math Junior averages 4.6 out of 5 from 1.9K ratings, while STEMWerkz averages 5.0 from 4 ratings.
Do Marble Math Junior or STEMWerkz have ads?
Neither Marble Math Junior nor STEMWerkz shows ads.
Which is updated more often, Marble Math Junior or STEMWerkz?
Marble Math Junior ships an update every 4 months, and STEMWerkz fortnightly. Most recently, Marble Math Junior was updated on October 16, 2026 and STEMWerkz on October 5, 2026.

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