Comparison

Number Run vs Math Duel School

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

Head to head
About

Number Run

Embark on an adventure to recover stolen crystals by solving math problems. This game offers engaging practice for all ages, from children learning arithmetic to adults seeking mental stimulation. It features multiple game modes and educational alignment.

Highlights
  • 52 math levels
  • Addition, subtraction, multiplication, division
  • Endless Mode
  • Common Core aligned
  • Unlockable outfits
  • Developed by graduate students
Features
Read full description

Baron von Count has stolen the 4 Mathemagical crystals of the land. Chase him down and bring him to justice or humanity will be forced to count on their fingers forever! Number Run is great practice for boys & girls learning math and adults who just want to stay sharp. Finally, a FUN math game: -Features 52 levels across addition, subtraction, multiplication, and division -Test your skills in Endless Mode -Aligned to Common Core state standards -Unlock new outfits and show your style -Developed by graduate students from Stanford and USC -Retina support for iPhone and iPad -Did we mention it's actually fun? We're gamers, we're developers, we're educators--talk to us at www.facebook.com/numberrun

About

Math Duel School

Engage in fun math competitions with friends or siblings, improving arithmetic skills for kids in grades K-5. Offers multiplayer modes and detailed progress tracking for parents and teachers.

Highlights
  • Multiplayer math duels
  • Grade K-5 skill coverage
  • Addition, subtraction, multiplication, division practice
  • Nearby and split-screen modes
  • Progress reports for parents
  • Customizable skill difficulty
Read full description

Kids! Now you can enjoy competing with your friends in class or with siblings at home with our brand new Monster Math - Multiplayer! Have fun and improve your math at the same time. We built an intelligent multiplayer game in which you can compete with kids of your own grade as well as with kids from completely different grades; on a single iPad or, across different devices! Parents and Teachers! Choose between Grades K - 5 and over 60 skills to help your kids do some good old arithmetic practice in a refreshingly new way. Our algorithm allows pairing of kids across different grades while keeping the difficulty level of the problems aligned to each kids’ grade level Monster Math - Duels gives kids 3 modes to engage in math duels with friends at school or at home, to practice math and do homework in an effective and a refreshingly new way! The 3 modes in Monster Math Duels are: Nearby Mode - Use this mode to let your kid play against other kids over a wi-fi or bluetooth connection. Split Screen Mode - This is one of the most loved features of the first Monster Math. And, it just got better! Use this mode to let your kids challenge each other or yourself in a game of math. Get to know your kids some more and have some quality family time together. (note: this mode is available only in iPads) vs. Computer Mode - Use this mode to hone your kids’ skills against self-adjusting difficulty levels at anytime of the day, even when there are no human opponents. Like Monster Math, Monster Math - Duels helps your child practice and learn over 40 skills within addition, subtraction, multiplication, division, like times tables as well as factors, multiples and also, prime numbers. It is suited for Grades 1 – 5, with all skills aligned to the Common Core Math standards. These skills are also fully customisable, thanks to standard skill presets, to suit your kids’ aptitude.A simple and intuitive toggle switch allows you to select advanced or basic skills which are presented as a neat progression within the parents section of the game.. You can also choose to get detailed reports and weekly emails to track how your kids are progressing in specific math topics. Unlike flash cards or simple quiz based apps, which only ask one question at a time. Monster Math is a great way to practice mental math and doing math drills, in a fun game environment. Regular play will lead to faster recall and use of Math facts. See the skills your child could be learning with Monster Math - Duels - Basic Geometry • Identify shapes on various attributes • Symmetry Addition & Subtraction • Addition up to 20 • Subtraction up to 20 • Two-digit addition without carry over • Two-digit subtraction without borrowing Multiplication & Division • Times Tables of 1 to 12 • Divide by numbers 1 to 12 • Multiply single-digit numbers by multiples of 10 Primes, Factors and Multiples Fractions • Visual representations (1/b, a/b) • Equivalence • Whole numbers as Fractions • Comparing fractions • Basic fraction addition Decimals • Decimal equivalents to given fractions and vice-versa Monster Math concentrates on following Common Core Standards: K.G.A.2, K.G.A.3, K.G.A.4, K.OA.A.5, 1.G.A.1, 1.G.A.3, 1.NBT.C.4, 1.OA.B.3, 2.G.A.1, 2.G.A.3, 2.NBT.B.5, 2.OA.B.2, 3.G.A.1, 3.OA.C.7, 3.NBT.A.2, 3.NBT.A.3, 3.NF.A.1, 3.NF.A.3, 4.G.A.3, 4.OA.A.1, 4.NF.A.2, 4.NF.B.3, 4.NF.C.6. Let your kids practice all of their basic math skills and problem solving while they have fun. Download Monster Math - Multiplayer now! For support, questions or comments, write to us at: support@makkajai.com Privacy policy: http://www.makkajai.com/privacy-policy Terms of Use: http://www.makkajai.com/terms

Screenshots

Number Run4 screens
Math Duel School4 screens

Verdict

The call

The clearest difference is price: Number Run at $2.99 against Math Duel School's $9.99. Number Run also leads on ratings volume (1.1K vs 99). Math Duel School's advantage is update cadence (monthly vs every 3 months) and iOS requirement (9.0 vs 12.0). On rating, review sentiment, ads and in-app purchases 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

Number Run costs $2.99 and Math Duel School $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Number Run against 4.6 for Math Duel School. That said, the two scores are not equally well evidenced: Number Run has 1.1K ratings behind it against 99, so its average is the more settled of the two. Written reviews are what separate them: 91% of Number Run's written reviews are positive against 86% of Math Duel School's.

UpkeepUpdate frequency

Number Run ships an update every 3 months, Math Duel School monthly. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Number Run versus Math Duel School: the parameters behind the verdict, then further details
ParameterNumber RunMath Duel School
Price$2.99 — better$9.99
Rating4.5 (1.1K ratings)4.6 (99 ratings) — better
Positive reviews90.9% of reviews — better86.4% of reviews
Number of ratings1.1K — better99
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size39 MB181 MB
Age rating4+4+
DeveloperIgnacio SchiefelbeinMakkajai Edu Tech Private Limited

Customer experience

Number Run

All ratings1,111 ratings
Positive88.3%
Neutral5.2%
Negative6.5%
Written reviews88 reviews
Positive90.9%
Neutral3.4%
Negative5.7%

Math Duel School

All ratings99 ratings
Positive87.9%
Neutral5.1%
Negative7.1%
Written reviews22 reviews
Positive86.4%
Neutral4.5%
Negative9.1%

Bugs and requests

Number Run

Reported bugs

2 issues
  • Occasional crashes or freezes
  • Issues with number entry on certain devices

Requested features

3 requests
  • Ability to adjust difficulty/speed settings
  • Progress tracking for parents/teachers
  • More variety of skins/characters

Math Duel School

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Number Run

No in-app purchases

None

Math Duel School

No in-app purchases

Questions

Is Number Run free?
Number Run costs $2.99, with no in-app purchases.
Is Math Duel School free?
Math Duel School costs $9.99, with no in-app purchases.
Which has better reviews, Number Run or Math Duel School?
Math Duel School is rated higher. Number Run averages 4.5 out of 5 from 1.1K ratings, while Math Duel School averages 4.6 from 99 ratings.
Do Number Run or Math Duel School have ads?
Neither Number Run nor Math Duel School shows ads.
Which is updated more often, Number Run or Math Duel School?
Number Run ships an update every 3 months, and Math Duel School monthly. Most recently, Number Run was updated on September 28, 2026 and Math Duel School on September 19, 2026.

Other comparisons