Number Line Math K2 vs Moose Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Number Line Math K2
This app helps young learners practice addition, subtraction, and comparison skills up to 20 using an interactive number line. Users can customize problems to focus on different unknown quantities and specific math facts.
- Addition and subtraction up to 20
- More Than/Less Than comparisons
- Interactive number line tool
- Customizable unknown quantities
- Selectable math facts to practice
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Practice addition and subtraction facts with sums and minuends to 20. Or work with "More Than" and "Less Than" sentences. For example: What number is 5 more than 6? What number is 3 less than 7? Use a number line as a tool for solving the problems. Adjust the options to include any combination of Result, Change, or Start as the unknown quantity. Select the facts to practice.
Moose Math
This app offers an engaging mathematical adventure for children aged 3-7, teaching core concepts like counting, addition, and subtraction through interactive games. Kids can earn rewards to build and decorate a virtual city while developing essential math skills aligned with early elementary standards.
- Counting, addition, and subtraction practice
- Geometry and sorting activities
- Interactive multi-level games
- Reward system for city building
- Parental progress reporting
- Aligned with Common Core Standards
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Moose Math engages kids in a mathematical adventure and teaches counting, addition, subtraction, sorting, geometry and more. While playing 5 multi-level activities in the Moose Juice Store, Puck’s Pet Shop and Lost & Found, kids can earn rewards to help build their own city and decorate buildings. Moose Math introduces a new whimsical group of Duck Duck Moose characters, The Dust Funnies, who help with mastering math skills. Moose Math is aligned with Common Core State Standards for Kindergarten and 1st Grade and includes a Report Card section where parents and teachers can monitor progress and find additional skill-building activities. AGES: 3-7. CATEGORY: Curriculum ACTIVITIES Moose Math features 5 engaging math activities: 1) MOOSE JUICE: Make smoothies while practicing counting, addition and subtraction 2) PAINT PET: Match the pets by counting the number of dots 3) PET BINGO: Solve addition, subtraction and counting problems to get BINGO 4) LOST & FOUND: Learn and sort through shapes and colors 5) DOT TO DOT: Help the Dust Funny find his way home by joining the dots SKILLS Kids will learn the following math skills based on Common Core State Standards: NUMBERS: - Understand the relationship between numbers and quantities - Solve word problems and algebraic thinking - Practice number pattern recognition COUNTING: - Count by 1’s, 2’s, 5’s and 10’s - Master counting to 100 ADDITION & SUBTRACTION: - Add and subtract by 1’s, 2’s, 5’s and 10’s - Add and subtract up to 20 - Learn to add and subtract with numbers, dice and rekenrek racks GEOMETRY: - Master geometry at Kindergarten and First Grade levels - Learn to identify and recognize shapes MEASUREMENT: - Understand and compare lengths PARENT REPORTING: Includes a Report Card section where parents and teachers can monitor progress for each child and learn about new skill-building activities. DEVELOPED WITH EDUCATORS: - Developed in conjunction with Stanford University Educator, Jennifer DiBrienza, PhD in - Early Elementary Education and former NYC public school teacher (K-Grade 2) COMMON CORE STANDARDS: K.CC.1, K.CC.2, K.CC.4, K.CC.6, K.OA.1, K.OA.2, K.OA.5, K.MD.2, K.MD.3, K.G.2, K.G.3, K.G.4, 1.OA.1, 1.OA.2, 1.OA.6 ABOUT DUCK DUCK MOOSE (A wholly-owned subsidiary of Khan Academy) Duck Duck Moose, an award-winning creator of educational mobile apps for families, is a passionate team of engineers, artists, designers, and educators. Founded in 2008, the company has created 21 top-selling titles and has received 21 Parents’ Choice Awards, 18 Children’s Technology Review Awards, 12 Tech with Kids’ Best Pick App Awards, and a KAPi award for “Best Children’s App” at the International Consumer Electronics Show. Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. Duck Duck Moose is now part of the Khan Academy family. Like all Khan Academy offerings, all Duck Duck Moose apps are now free, without ads or subscriptions. We rely on our community of volunteers and donors. Get involved today at www.duckduckmoose.com/about. Check out the Khan Academy app to learn and practice all kinds of topics for elementary school through college and beyond. We’d love to hear from you! Visit us at www.duckduckmoose.com or drop us a line at support@duckduckmoose.com.
Screenshots
Verdict
The clearest difference is rating: Moose Math at 4.2 against Number Line Math K2's 1.0. Moose Math also leads on update cadence (every 2 months vs every 12 months) and ratings volume (590 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Moose Math holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Moose Math has 590 ratings behind it against 2, so its average is the more settled of the two.
Number Line Math K2 ships an update every 12 months, Moose Math every 2 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.
| Parameter | Number Line Math K2 | Moose Math |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 4.2 (590 ratings) — better |
| Positive reviews | — | 75.6% of reviews |
| Number of ratings | 2 | 590 — better |
| Update frequency | Every 12 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 34 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | Classroom Focused Software | Duck Duck Moose LLC |
Customer experience
Number Line Math K2
Moose Math
Bugs and requests
Number Line Math K2
Not enough reviews yet to summarise bugs or requests.
Moose Math
Reported bugs
3 issues- Compatibility issues with newer devices
- Incorrect answers in fruit blending mini-game
- App crashing when exiting levels
Requested features
4 requests- More levels and locations to explore
- Ability to delete player profiles
- Multiplayer or competitive modes
- Expanded math concepts beyond addition/subtraction
In-app purchases
Number Line Math K2
No in-app purchases
Moose Math
No in-app purchases
Questions
Is Number Line Math K2 free?
Is Moose Math free?
Which has better reviews, Number Line Math K2 or Moose Math?
Do Number Line Math K2 or Moose Math have ads?
Which is updated more often, Number Line Math K2 or Moose Math?
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