Comparison

Quick Math Jr. vs Number Rack, by MLC

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

Head to head
About

Quick Math Jr.

This app offers engaging math games for young children aged 3-7, covering essential foundational skills like counting, addition, subtraction, and number writing. It features adaptive difficulty to suit individual learning paces and allows for personalized monster character creation.

Highlights
  • Twelve curriculum-aligned math games
  • Adaptive difficulty
  • Handwritten number input
  • Monster character customization
  • Unlimited player profiles
  • Progress reports
Features
Read full description

*Featured on the App Store* *Children’s Tech Review Parents’ Choice Award* *Top Rated by Balefire Labs* *REVERE Awards Finalist* Loved by teachers... and kids! Quick Math Jr. is an award winning app that covers the essential foundations of mathematics, including counting, addition and subtraction, place value, writing numbers and much more! “...excellent for teaching kids about number sense.” - Graphite by Common Sense Media Perfect for children aged 3 - 7, Quick Math Jr learns as kids play and adjusts the difficulty of the questions to make sure each individual player is always at a level that is just right for them! From the creators of the award-winning Quick Math series, Quick Math Jr. is a fun way to develop mathematics skills and confidence. FEATURES • Twelve games aligned with international maths curriculums, including US Common Core and the Australian National Curriculum • Adaptive difficulty to quickly place each player at their appropriate level • Write answers directly on-screen! Progress from multiple-choice to handwritten answers. • Create your own monster characters by winning new features, then see your creations appear in the game! • Unlimited player profiles for easy device sharing • View your child’s report card and see their progress through the app or on your Apple Watch EDUCATIONAL CONTENT • Develop number sense • Name numbers • Practice number sequence up to 100 • Connect number names, numerals and quantities up to 30, including zero • Model numbers up to 20 • Subitize small collections of objects in dice patterns, ten-frames and random patterns • Conceptually subitize larger collections of objects in two or more dice patterns or ten frames • Start counting from numbers other than one • Count on and back • Skip count by twos, threes, fives and tens • Count and skip-count forwards and backwards • Practice place value by composing numbers to 99 using tens and ones • Create equality using balance • Add to and subtract from a hidden total to practice mental arithmetic and counting on and back • Solve simple addition and subtraction questions up to 20 • Practice writing numerals • Continue two, three and four-part patterns • Fill in missing elements in two, three and four part patterns • Practise number bonds within twenty • Practise greater than and less than on a number line • Solve addition and subtraction story problems within 10 • Practise counting and arithmetic using both continuous and discrete quantities • Locate hidden numbers on a number line • Estimate the position of numbers on a number line

About

Number Rack, by MLC

This virtual manipulative tool helps children develop number sense through interactive bead groupings. It supports exploration of addition and subtraction strategies with customizable rows and colors. Ideal for elementary classrooms, it includes annotation and sharing features.

Highlights
  • 1-10 rows of 10 beads
  • Resizable bead covers for subtraction
  • Color-coded bead rows
  • Annotation and drawing tools
  • Math text and writing tools
  • Shareable work via image or code
Features
Read full description

Number Rack facilitates the natural development of children’s number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction strategies. This virtual version of the manipulative is an open-ended educational tool, ideal for elementary classrooms and other learning environments. FEATURES • Display 1 to 10 rows of beads, 10 beads per row. • Hide beads with resizable covers, which allows teachers or learners to model subtraction or difference problems. • Reverse the colors of rows 6 to 10 to distinguish (or not) groupings of 25 beads. • Use the drawing tools to annotate work and show understanding. • Add equations, expressions, and descriptions with the math text and writing tools. • Share work by saving an image or providing a share code to others. Great for creating the initial setup of an activity, then sharing it with students so they can explore it further.

Screenshots

Quick Math Jr.4 screens

Verdict

The call

The clearest difference is review sentiment: Number Rack, by MLC at 100% against Quick Math Jr.'s 43%. Number Rack, by MLC also leads on in-app purchases (none vs 4). Quick Math Jr.'s advantage is update cadence (every 3 weeks vs every 25 months) and rating (3.6 vs 3.2). 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. Quick Math Jr. sells 4 one-off in-app purchases. Number Rack, by MLC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quick Math Jr. holds the better App Store score, 3.6 against 3.2. That said, the two scores are not equally well evidenced: Quick Math Jr. has 338 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 43% of Quick Math Jr.'s written reviews are positive against 100% of Number Rack, by MLC's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Quick Math Jr. ships an update every 3 weeks, Number Rack, by MLC every 25 months. The most recent releases landed on September 22, 2026 and June 24, 2026 respectively.

Scorecard8 real differences · 2 level
Quick Math Jr. versus Number Rack, by MLC: the parameters behind the verdict, then further details
ParameterQuick Math Jr.Number Rack, by MLC
PriceFreeFree
Rating3.6 (338 ratings) — better3.2 (9 ratings)
Positive reviews43.0% of reviews100.0% of reviews — better
Number of ratings338 — better9
Update frequencyEvery 3 weeks — betterEvery 25 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS7.0 — better14.7
Further details — not scored
Size132 MB4 MB
Age rating4+4+
DeveloperShiny ThingsThe Math Learning Center

Customer experience

Quick Math Jr.

All ratings338 ratings
Positive63.3%
Neutral4.4%
Negative32.2%
Written reviews370 reviews
Positive43.0%
Neutral6.2%
Negative50.8%

Number Rack, by MLC

All ratings9 ratings
Positive55.6%
Neutral0.0%
Negative44.4%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Quick Math Jr.

Reported bugs

3 issues
  • App crashes on launch
  • Audio not working
  • Inability to restore in-app purchases

Requested features

3 requests
  • More advanced math levels and content
  • Ability to sync progress across devices
  • Better parental controls and account management

Number Rack, by MLC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Quick Math Jr.

One-time4
  • Spooky Town$4.99
  • Mad Science Island$4.99
  • Medieval Island$4.99
Show 1 more
  • Unlock All Islands$9.99
None

Number Rack, by MLC

No in-app purchases

Questions

Is Quick Math Jr. free?
Quick Math Jr. is free to download, with in-app purchases available.
Is Number Rack, by MLC free?
Number Rack, by MLC is free to download, with no in-app purchases.
Which has better reviews, Quick Math Jr. or Number Rack, by MLC?
Quick Math Jr. is rated higher. Quick Math Jr. averages 3.6 out of 5 from 338 ratings, while Number Rack, by MLC averages 3.2 from 9 ratings.
Do Quick Math Jr. or Number Rack, by MLC have ads?
Neither Quick Math Jr. nor Number Rack, by MLC shows ads.
Which is updated more often, Quick Math Jr. or Number Rack, by MLC?
Quick Math Jr. ships an update every 3 weeks, and Number Rack, by MLC every 25 months. Most recently, Quick Math Jr. was updated on September 22, 2026 and Number Rack, by MLC on June 24, 2026.

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