Comparison

Duck Duck Moose Reading HD vs Math Clock, by MLC

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

Math Clock, by MLC

This app helps students master telling time and understanding fractions using interactive analog clocks. It offers tools for visualizing time intervals, solving story problems, and exploring fractional parts of an hour with various denominators. Students can also use drawing and annotation features to demonstrate their understanding.

Highlights
  • Interactive analog clocks with geared or free-moving hands
  • Live clock with second hand and digital time display
  • Elapsed time tool for interval problems
  • Fraction overlays for visualizing parts of an hour
  • Drawing and annotation tools
  • Save and share work via image or code
Features
Read full description

Math Clock helps students become fluent working with time. Learners use analog clocks with geared or free-moving hands to learn how to tell time, explore jumps with count by numbers, and visualize story problems involving intervals of time. By placing and shading fraction overlays, students use the clock to contextualize fractions with frequently used denominators. FEATURES • Add clocks with geared or free-moving hands. • Set the time and run a live clock with a second hand. • Display equivalent digital time. • Add minute and hour hand labels. • Jump the minute hand on geared clocks by intervals 1-60. • Use the elapsed time tool to solve problems involving intervals of time. • Overlay and shade circle fractions to explore fractional parts of an hour and fractions with denominators of 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. • Duplicate and resize clocks to work with multiple clocks at once. • Hide and reveal clocks with resizable covers to create your own problems and model strategies. • Use the drawing tools to annotate work and show understanding. • Add equations, expressions, and descriptions with the math text and writing tools. • Share your work by saving an image or providing a share code to others. MORE APPS For more Math Clock resources and other apps, visit: www.mathlearningcenter.org/apps LEARN MORE To learn about Bridges in Mathematics, an elementary curriculum that employs an array of visual models, visit: www.mathlearningcenter.org/bridges/overview ABOUT US This resource is brought to you by The Math Learning Center, a nonprofit organization dedicated to K-12 education since 1976. ACKNOWLEDGEMENTS This app was crafted by Clarity Innovations. We help improve teaching and learning by creating solutions that match promising technologies with the needs of education. Visit us: www.clarity-innovations.com

Verdict

The call

Duck Duck Moose Reading HD and Math Clock, by MLC both sit at 4.1 stars, but that hides the real split: 100% of Math Clock, by MLC's written reviews are positive against 43% of Duck Duck Moose Reading HD's. Duck Duck Moose Reading HD's advantage is ratings volume (32 vs 10) and iOS requirement (9.0 vs 14.7). On price, rating, update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.1 for Duck Duck Moose Reading HD against 4.1 for Math Clock, by MLC. Both are backed by a comparable volume of ratings — 32 and 10 respectively. Written reviews are what separate them: 43% of Duck Duck Moose Reading HD's written reviews are positive against 100% of Math Clock, by MLC's.

UpkeepUpdate frequency

Duck Duck Moose Reading HD ships an update every 11 months, Math Clock, by MLC every 6 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Duck Duck Moose Reading HD versus Math Clock, by MLC: the parameters behind the verdict, then further details
ParameterDuck Duck Moose Reading HDMath Clock, by MLC
PriceFreeFree
Rating4.1 (32 ratings)4.1 (10 ratings) — better
Positive reviews43.5% of reviews100.0% of reviews — better
Number of ratings32 — better10
Update frequencyEvery 11 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS9.0 — better14.7
Further details — not scored
Size55 MB5 MB
Age rating4+4+
DeveloperDuck Duck Moose LLCThe Math Learning Center

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%

Math Clock, by MLC

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Duck Duck Moose Reading HD

No in-app purchases

None

Math Clock, by MLC

No in-app purchases

Questions

Is Duck Duck Moose Reading HD free?
Duck Duck Moose Reading HD is free to download, with no in-app purchases.
Is Math Clock, by MLC free?
Math Clock, by MLC is free to download, with no in-app purchases.
Which has better reviews, Duck Duck Moose Reading HD or Math Clock, by MLC?
Math Clock, by MLC is rated higher. Duck Duck Moose Reading HD averages 4.1 out of 5 from 32 ratings, while Math Clock, by MLC averages 4.1 from 10 ratings.
Do Duck Duck Moose Reading HD or Math Clock, by MLC have ads?
Neither Duck Duck Moose Reading HD nor Math Clock, by MLC shows ads.
Which is updated more often, Duck Duck Moose Reading HD or Math Clock, by MLC?
Duck Duck Moose Reading HD ships an update every 11 months, and Math Clock, by MLC every 6 months. Most recently, Duck Duck Moose Reading HD was updated on October 22, 2026 and Math Clock, by MLC on October 24, 2026.

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