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.
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.
- Twelve curriculum-aligned math games
- Adaptive difficulty
- Handwritten number input
- Monster character customization
- Unlimited player profiles
- Progress reports
Read full descriptionHide 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
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.
- 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
Read full descriptionHide 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
Verdict
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
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.
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.
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.
| Parameter | Quick Math Jr. | Number Rack, by MLC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (338 ratings) — better | 3.2 (9 ratings) |
| Positive reviews | 43.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 338 — better | 9 |
| Update frequency | Every 3 weeks — better | Every 25 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 7.0 — better | 14.7 |
| Further details — not scored | ||
| Size | 132 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Shiny Things | The Math Learning Center |
Customer experience
Quick Math Jr.
Number Rack, by MLC
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
Quick Math Jr.
- Spooky Town$4.99
- Mad Science Island$4.99
- Medieval Island$4.99
Show 1 moreShow fewer
- Unlock All Islands$9.99
Number Rack, by MLC
No in-app purchases
Questions
Is Quick Math Jr. free?
Is Number Rack, by MLC free?
Which has better reviews, Quick Math Jr. or Number Rack, by MLC?
Do Quick Math Jr. or Number Rack, by MLC have ads?
Which is updated more often, Quick Math Jr. or Number Rack, by MLC?
Other comparisons















