Comparison

Marble Math Multiplication vs Main Idea

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

Head to head
About

Marble Math Multiplication

Practice multiplication skills by navigating a marble through challenging mazes. Solve problems, collect numbers, and earn bonuses while avoiding obstacles. Customize practice to focus on specific times tables.

Highlights
  • Maze navigation gameplay
  • Multiplication problem solving
  • Collect numbers and bonuses
  • Avoid in-game obstacles
  • Replay incorrect answers
  • Customize specific times tables
Features
Read full description

Solve multiplication problems by collecting numbers as you move your marble through a series of fun mazes. ________________________________ REVIEWERS SAY... "Marble Math Multiplication offers all the great gameplay of Marble Math and Marble Math Junior and the flexibility to customize times tables for specific practice." - Kindertown ________________________________ FUN MATH PRACTICE: Earn new marbles and collect bonuses while practicing multiplication 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 Multiplication gives you the option to replay the question or show the correct answer, before moving on to the next problem. CUSTOMIZE FOR SPECIFIC TIMES TABLES PRACTICE: Customize gameplay to concentrate on specific times tables from 1 to 12 Thanks for playing Marble Math Multiplication! ________________________________ MORE MATH: The award-winning Marble Math Junior and Marble Math are also available for iPhone and iPad to practice a wide range of Common Core math concepts. ________________________________ 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 Multiplication has no in-app purchases or third party advertising.

About

Main Idea

This app helps children in grades 2-5 develop reading comprehension skills by focusing on identifying the main idea of sentences. It uses a fun, game-like approach with step-by-step learning and rewards to keep kids motivated. Designed by educators, it's suitable for both typical and special needs children.

Highlights
  • Step-by-step skill building
  • Game-like environment
  • Frustration-free learning
  • Reward Center for motivation
  • Parental review and reporting
  • Over 600 examples
  • Designed by teachers and researchers
Features
Read full description

** Featured on Appolicious.com & iHeartThisApp.com ** 'Main Idea -Sentences' helps kids who have trouble with reading comprehension. Identifying the main idea is a key part of reading comprehension. 'Main Idea -Sentences' builds this comprehension skill in a fun, game-like environment. The skill is developed step-by-step until mastery. *** Happy Frog Apps is a Mom's Choice Award winner! *** ***** 5 Stars - Thank you for this app! Other software I’ve used has moved too quickly for my son. This one worked! Can’t wait for the next Main Idea app…it’s coming, right? ***** 5 Stars - This app is one the best education apps I have used with my little one. It really helps to improve his reading abilities. He is obsessed with passing the levels and it never let him disappointed. One of the few apps that worth to upgrade to premium version. 'Main Idea - Sentences' is designed for children in Grades 2-5 who can read the words, but don't understand what they read. Beginning readers in earlier grades can also benefit from the targeted skill development. 'Main Idea - Sentences' develops the skill of knowing what a sentence is about. This skill must be firmly established before a child can determine what a paragraph or page is about. Key Benefits: - Builds comprehension skills step-by-step until mastery. - Incremental learning. New levels are unlocked only when your child is ready. - Frustration-free learning. Your child will always be guided to the correct answer. - Fun and engaging Reward Center to increase motivation. - Easy parental review. Just check out the stars to see how your child is doing. - Contains over 600 examples, with content designed by professional teachers and researchers. - Advanced levels include timers to ensure fluency. Research shows fluency in the foundation skills is critical to reading comprehension. - Can be used independently (just hand it over: your child will know what to do!) or with a therapist/parent for reading intervention. - Provides extensive reporting for up to 10 students to suit the needs of parents, teachers and therapists. Our apps are designed for and tested by typical and special needs children. Testers include children with Autism and other special needs. Our apps work for them! To evaluate the app, download the free version, which has 4 free levels. Additional levels and additional players can be accessed with in-app purchase. If you prefer no in-app purchases, download the School Edition of this app. While you're thinking about reading, check out our other apps that target WH questions, inferencing and answer identification skills. Learn more about reading comprehension and research at our website www.HappyFrogApps.com. Drop us a note, we'd love to hear from you! We take customer service very seriously! If you ever have a problem or find that we've missed something, contact us at our website and we will do our best to fix the problem. We are a member of the Moms With Apps program that promotes privacy in children's apps. We collect NO private information in our apps and our apps do not allow unrestricted web access.

Screenshots

Main Idea4 screens

Verdict

The call

The clearest difference is rating: Marble Math Multiplication at 4.7 against Main Idea's 3.7. Marble Math Multiplication also leads on in-app purchases (none vs 3) and review sentiment (95% vs 71%). Main Idea's advantage is device support (3 vs 1). On price 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. Main Idea sells 3 one-off in-app purchases. Marble Math Multiplication asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Marble Math Multiplication holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Marble Math Multiplication has 963 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 95% of Marble Math Multiplication's written reviews are positive against 71% of Main Idea's.

UpkeepUpdate frequency

Marble Math Multiplication ships an update every 2 months, Main Idea every 3 months. The most recent releases landed on November 13, 2026 and November 8, 2026 respectively.

Scorecard8 real differences · 2 level
Marble Math Multiplication versus Main Idea: the parameters behind the verdict, then further details
ParameterMarble Math MultiplicationMain Idea
PriceFreeFree
Rating4.7 (963 ratings) — better3.7 (18 ratings)
Positive reviews94.7% of reviews — better71.4% of reviews
Number of ratings963 — better18
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better12.2
Further details — not scored
Size78 MB22 MB
Age rating4+4+
DeveloperArtgig StudioJanine Toole

Customer experience

Marble Math Multiplication

All ratings912 ratings
Positive92.1%
Neutral3.9%
Negative3.9%
Written reviews38 reviews
Positive94.7%
Neutral0.0%
Negative5.3%

Main Idea

All ratings19 ratings
Positive63.2%
Neutral15.8%
Negative21.1%
Written reviews14 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

Bugs and requests

Marble Math Multiplication

Reported bugs

2 issues
  • Occasional crashes or freezes
  • Compatibility issues on older devices

Requested features

3 requests
  • More difficulty levels
  • Additional math operations
  • Customizable settings for different age groups

Main Idea

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Marble Math Multiplication

No in-app purchases

3 purchases

Main Idea

One-time3
  • Upgrade to 2 Users$1.99
  • Access All Levels$2.99
  • Up to 10 Users$2.99

Questions

Is Marble Math Multiplication free?
Marble Math Multiplication is free to download, with no in-app purchases.
Is Main Idea free?
Main Idea is free to download, with in-app purchases available.
Which has better reviews, Marble Math Multiplication or Main Idea?
Marble Math Multiplication is rated higher. Marble Math Multiplication averages 4.7 out of 5 from 963 ratings, while Main Idea averages 3.7 from 18 ratings.
Do Marble Math Multiplication or Main Idea have ads?
Neither Marble Math Multiplication nor Main Idea shows ads.
Which is updated more often, Marble Math Multiplication or Main Idea?
Marble Math Multiplication ships an update every 2 months, and Main Idea every 3 months. Most recently, Marble Math Multiplication was updated on November 13, 2026 and Main Idea on November 8, 2026.

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