Comparison

Math Facts Ninja vs Math Facts Fluency Builder

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

Head to head
About

Math Facts Ninja

Master essential math skills with engaging games. Practice addition, subtraction, multiplication, and division through fun, ninja-themed challenges. Progress through belt levels to improve fluency and accuracy.

Highlights
  • Addition, Subtraction, Multiplication, Division practice
  • Three distinct math games
  • Eight belt levels of difficulty
  • Math Facts Dojo for focused practice
  • Improves math fluency
  • Fun alternative to flash cards
Features
Read full description

Math Facts Ninja is a math game for kids (and adults) to improve basic math fact skills including Addition facts, Subtraction facts, Multiplication facts and Division facts. Looking for multiplication games to make learning math facts more fun then simple multiplication flash cards? Not your standard math flash cards game, Math Facts Ninja uses three math games to test your "ninja-like-skills" as you try to earn your black belt in each ninja skill. These skills include Sword, Throwing Stars and Hands. As you progress though the eight belt levels of each skill you are challenged with increasingly difficult math problems designed to improve your mastery of Math Facts in addition, subtraction, multiplication and division (+-x÷). Features in Math Games: • Math Facts, Math Drills and Math Games • Common Core 3.OA.C.7 • Operations & Algebraic Thinking • Multiply and divide within 100 • STEM math basics • More Fun than Math Facts Flash Cards • Learn & Practice Times Tables Game • Learn & Practice Addition Game • Learn & Practice Subtraction Game • Learn & Practice Division Game • Math Facts Dojo to practice your math fluency • Fun ninja math facts games and math drills • Way more fun then simple math flash cards Math Facts Dojo: In the Math Facts Ninja Dojo (practice room), you can practice specific number sets and arithmetic operations. Hone your skills as you focus on the areas you want to improve upon. You get to decide the Math Game and the Number Set as well as the number of math questions you want. Practicing your times tables has never been so much fun! Math Facts Ninja is the perfect study app for students in grades 3 to 6, or anyone wanting to improve their general math facts skills. Math Facts Ninja offers multiple levels of difficulty, represented as belt levels, in a fun game environment. The more you play the more your math facts fluency will improve. Math Facts Ninja helps improve your math fluency in a fun, self—paced, game environment. Three different ninja-like games offer eight stages of difficulty culminating in the ultimate prize, a Black Belt! Earn a black belt for each ninja skill.

About

Math Facts Fluency Builder

Features
Read full description

** Happy Frog Apps is a Mom’s Choice Award Winner! Also featured on FunEducationalApps.com, TeachersWithApps.com, and more! ** Math Facts Fluency: Easy-to-use, built-in rewards and excellent reporting. The only app you'll need to ensure your child is completely fluent in addition and subtraction math facts. What parents say about our awesome apps: *** 5 stars! My son tried other apps, but after using them, I couldn't tell how well he knew his math facts. Was he done? Did he still need practice? With your app, I know exactly how he is doing - and best of all, he LOVES working for the reward game. *** 5 stars! I like how my son can progress independently. The timer feature really ensures fluency. His recall is MUCH improved. Thanks!
 Math Fact fluency is *vital* for math success. Fluency frees up your learner's working memory, allowing more "brain space" for problem solving. Make math easier for your child by ensuring they know their math facts fluently (should be able to answer in about one second!) Math Facts Fluency Builder provides: -- Addition and subtraction math facts introduced in learnable groups. -- Built-in timers to ensure fluency at all levels. Earlier levels allow more time. Final levels require FAST answering! -- Students progress only when mastery of the current skill is demonstrated. -- 'At a glance' reporting shows you instantly how your learner is progressing. -- The fun Reward Center motivates even hesitant learners. 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! Our apps are also suitable for adults dealing with aphasia or learning English as a Second Language. 
To evaluate the app, download the free version, which has four free levels. Additional levels and additional players can be accessed with in-app purchases. (All levels can be purchased for $2.99 -- price may change.) 

If you prefer no in-app purchases, download the School Edition of this app, which includes all levels and up to 10 players. 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 collect NO private information in our app. None! Our apps do not allow unrestricted web or social media access. We conform to the Children's Online Privacy Protection Act.

Screenshots

Math Facts Ninja4 screens
Math Facts Fluency Builder4 screens

Verdict

The call

The clearest difference is update cadence: Math Facts Ninja at every 13 months against Math Facts Fluency Builder's every 38 months. Math Facts Ninja also leads on price ($0.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement 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

Math Facts Ninja costs $0.99 and Math Facts Fluency Builder $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Math Facts Ninja ships an update every 13 months, Math Facts Fluency Builder every 38 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Math Facts Ninja versus Math Facts Fluency Builder: the parameters behind the verdict, then further details
ParameterMath Facts NinjaMath Facts Fluency Builder
Price$0.99 — better$3.99
Rating3.9 (158 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings158 — better—
Update frequencyEvery 13 months — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better12.2
Further details — not scored
Size54 MB17 MB
Age rating4+4+
Developerecom enterprises, inc.Janine Toole

Bugs and requests

Math Facts Ninja

Reported bugs

5 issues
  • Throwing star bug (only goes side to side)
  • Red X appears for correct answers in mini-games
  • App closes when using ninja stars
  • Inaccurate answer recognition when swiping
  • Tap screen is broken

Requested features

13 requests
  • Fix bug on throwing star
  • Allow selection of multiple numbers and operations
  • Add parental control
  • Bigger number problems for older kids
  • Tweak range of math problems (e.g., only multiplication/division for '2s')
Show 8 more
  • Add coins for a shop
  • Set max sum instead of fixed limit
  • More action and variety
  • Character celebration for black belt
  • Option to lessen the amount of problems
  • Change background
  • Improve controls
  • Add more content

Math Facts Fluency Builder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Math Facts Ninja

No in-app purchases

None

Math Facts Fluency Builder

No in-app purchases

Questions

Is Math Facts Ninja free?
Math Facts Ninja costs $0.99, with no in-app purchases.
Is Math Facts Fluency Builder free?
Math Facts Fluency Builder costs $3.99, with no in-app purchases.
Do Math Facts Ninja or Math Facts Fluency Builder have ads?
Neither Math Facts Ninja nor Math Facts Fluency Builder shows ads.
Which is updated more often, Math Facts Ninja or Math Facts Fluency Builder?
Math Facts Ninja ships an update every 13 months, and Math Facts Fluency Builder every 38 months. Most recently, Math Facts Ninja was updated on October 15, 2026 and Math Facts Fluency Builder on October 6, 2026.

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