Comparison

Duck Duck Moose Reading HD vs Osmo Math Buzz

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

Head to head
About

Duck Duck Moose Reading HD

This app offers a zoo-themed adventure to teach phonics and reading skills to young children. It features word and letter activities aligned with Common Core State Standards, along with a parent reporting tool to track progress. Developed with educators, it's designed for ages 3-7.

Highlights
  • Zoo-themed learning adventure
  • Phonics and reading skill development
  • Word and letter activities
  • Common Core State Standards alignment
  • Parent progress reporting tool
  • Developed with educators
Read full description

An award-winning app based on Common Core State Standards, Duck Duck Moose Reading teaches phonics and reading skills in a fun zoo-themed adventure. With word and letter activities, kids learn by playing with flamingos, monkeys, lions and more. Keep track of progress through a new parent reporting tool. AWARDS: Parents’ Choice Gold Award; Children’s Technology Review Editor’s Choice Award. AGES: 3-7. PLAY CATEGORY: Early Learning/Curriculum ACTIVITIES 9 ACTIVITIES BASED ON COMMON CORE STANDARDS 
 - Letter-sound and word activities 
 - Recognizing and naming lowercase letters 
 - Demonstrating knowledge of letter-sound correspondences 
 - Isolating and pronouncing sounds in CVC (consonant-vowel-consonant) words WORDS & LETTERS: Teaches phonics through 9 different activities - Learn the letter sounds for all consonants, short vowels and long vowels - Practice spelling consonant-vowel-consonant (CVC) words PARENT REPORTING: Includes a new reporting tool so parents and teachers can see how a child is progressing 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) - Tested extensively in Kindergarten classrooms COMMON CORE STANDARDS: RF.K.1d, RF.K.2d, RF.K.2e, RF.K.3a, RF.K.3b 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 world-class education for anyone, anywhere. Duck Duck Moose is now part of the Khan Academy family. 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.

About

Osmo Math Buzz

Engage in collaborative math practice with up to four players, solving equations to overcome challenges and collect rewards. Designed for children aged 6-10, this app transforms screen time into hands-on learning through interactive play.

Highlights
  • Team-based math practice
  • Addition, subtraction, multiplication
  • Collaborative play
  • Hands-on learning system
  • Ages 6-10
  • Tangible play with digital learning
Read full description

With your team of up to 4 players, solve math equations to get past unfriendly bugs and collect all of the honey in the garden. TEAM UP TO PRACTICE YOUR MATH SKILLS Practice addition, subtraction, multiplication and teamwork with a friend! EXPLORE CORE LEARNING SUBJECTS THROUGH PLAY Designed for children ages 6-10 to build skills through fun collaborative play. TURN SCREEN TIME INTO LEARNING TIME Osmo’s unique technology transforms your tablet into a hands-on learning system! *Play your favourite Osmo Math Buzz on both iPhone and iPad! Use your iPhone with the Osmo Base for iPad and Numbers tiles - each can be found at playosmo.com. * Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 *Requires the Osmo Base for iPad and Numbers tiles. Each sold separately or as part of Osmo Genius Starter Kit. Learn more by visiting www.playosmo.com. ABOUT OSMO -- 21ST CENTURY PLAY AND LEARNING Osmo combines healthy screen time and tangible play to make learning engaging and fun. Every Osmo game uses physical action and reflective artificial intelligence technology for digital learning in the real world. Help your child become more confident, thoughtful, and creative with Osmo.

Screenshots

Osmo Math Buzz4 screens

Verdict

The call

The clearest difference is rating: Duck Duck Moose Reading HD at 4.1 against Osmo Math Buzz's 3.0. Duck Duck Moose Reading HD also leads on in-app purchases (none vs 2) and review sentiment (43% vs 13%). Osmo Math Buzz's advantage is update cadence (every 2 months vs every 11 months) and ratings volume (143 vs 30). 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. Osmo Math Buzz sells 2 one-off in-app purchases. Duck Duck Moose Reading HD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Duck Duck Moose Reading HD holds the better App Store score, 4.1 against 3.0. Both are backed by a comparable volume of ratings — 30 and 143 respectively. Written reviews point the same way: 43% of Duck Duck Moose Reading HD's written reviews are positive against 13% of Osmo Math Buzz's.

UpkeepUpdate frequency

Duck Duck Moose Reading HD ships an update every 11 months, Osmo Math Buzz every 2 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

Scorecard8 real differences · 2 level
Duck Duck Moose Reading HD versus Osmo Math Buzz: the parameters behind the verdict, then further details
ParameterDuck Duck Moose Reading HDOsmo Math Buzz
PriceFreeFree
Rating4.1 (30 ratings) — better3.0 (143 ratings)
Positive reviews43.5% of reviews — better13.3% of reviews
Number of ratings30143 — better
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size55 MB264 MB
Age rating4+4+
DeveloperDuck Duck Moose LLCTangible Play

Customer experience

Duck Duck Moose Reading HD

All ratings30 ratings
Positive76.7%
Neutral10.0%
Negative13.3%
Written reviews23 reviews
Positive43.5%
Neutral17.4%
Negative39.1%

Osmo Math Buzz

All ratings143 ratings
Positive45.5%
Neutral11.9%
Negative42.7%
Written reviews45 reviews
Positive13.3%
Neutral13.3%
Negative73.3%

Bugs and requests

Duck Duck Moose Reading HD

Not enough reviews yet to summarise bugs or requests.

Osmo Math Buzz

Reported bugs

10 issues
  • App freezes on Osmo logo
  • App does not load
  • App crashes during gameplay
  • Lost progress after crashes
  • Login issues and purchase restoration problems
Show 5 more
  • Reader not recognizing tiles
  • Screen freezes after selecting base
  • App not loading past white Osmo screen
  • Progress data disappeared
  • IAP unlock button not working

Requested features

8 requests
  • Fix the app loading issue
  • Improve app stability
  • Make the game more engaging
  • Provide clearer instructions
  • Ensure progress is saved
Show 3 more
  • Make trial cancellation easier
  • Address wasp behavior randomness
  • Update app for current devices

In-app purchases

None

Duck Duck Moose Reading HD

No in-app purchases

2 purchases

Osmo Math Buzz

One-time2
  • 3-day trial of Math BuzzFree
  • Unlock Math Buzz$24.99

Questions

Is Duck Duck Moose Reading HD free?
Duck Duck Moose Reading HD is free to download, with no in-app purchases.
Is Osmo Math Buzz free?
Osmo Math Buzz is free to download, with in-app purchases available.
Which has better reviews, Duck Duck Moose Reading HD or Osmo Math Buzz?
Duck Duck Moose Reading HD is rated higher. Duck Duck Moose Reading HD averages 4.1 out of 5 from 30 ratings, while Osmo Math Buzz averages 3.0 from 143 ratings.
Do Duck Duck Moose Reading HD or Osmo Math Buzz have ads?
Neither Duck Duck Moose Reading HD nor Osmo Math Buzz shows ads.
Which is updated more often, Duck Duck Moose Reading HD or Osmo Math Buzz?
Duck Duck Moose Reading HD ships an update every 11 months, and Osmo Math Buzz every 2 months. Most recently, Duck Duck Moose Reading HD was updated on October 15, 2026 and Osmo Math Buzz on October 21, 2026.

Other comparisons