Comparison

Hello Crayons vs Math Duel

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

Head to head
About

Hello Crayons

This app offers a fun and easy drawing experience for children, featuring realistic crayon and marker pen simulations. It includes cool drawing sounds and an intuitive interface, with free coloring sketches available.

Highlights
  • Realistic crayon and marker pen simulation
  • Cool drawing sound effects
  • Intuitive user interface
  • Free coloring sketches
  • Part of a drawing series
Features
Read full description

Hello crayon is an easy & fun drawing APP for children. It provides realistic crayons and marker pens. Features - Realistic look & feel of crayons and marker pens - Cool drawing sound - Intuitive user interface - Free 8 coloring sketches for coloring Check out our hello drawing series. - Hello Crayons - Hello Color pencils - Hello Chalk Facebook http://www.facebook.com/pages/Hello-Crayon/128107603937551

About

Math Duel

Engage in a fun, competitive math game for two players on a single device. Improve basic math skills and strategic thinking with customizable equations and modes. Ideal for classrooms or home practice, it encourages collaboration and personalized learning.

Highlights
  • Two-player split-screen mode
  • Single player practice
  • Customizable equations
  • Teacher-adjustable settings
  • Basic math skill improvement
  • Strategic thinking development
Features
Read full description

Math Duel - 2 Player Math Game Challenge a friend or go solo! Math Duel is the ultimate split-screen math game for kids, students, and classrooms. Two players compete head-to-head on the same device, making math practice fast, fun, and competitive. Perfect for Schools and Home Learning. Used by teachers worldwide, Math Duel turns math drills into exciting duels. Customize difficulty for each player independently, ideal for differentiated instruction and personalized learning. Why Kids and Teachers Love Math Duel: - 1 or 2 players on one device, no extra hardware needed - Split-screen mode built for tablets and phones - Customizable equations for addition, subtraction, multiplication and division - Adjustable difficulty per player, great for mixed-ability classrooms - Positive reinforcement keeps students motivated - Frustration-free design for all skill levels - Trusted with over 1 million games played Built for the Classroom, Fun Enough for Home. Whether it's math fact fluency practice, a classroom warm-up, or friendly competition at home, Math Duel makes arithmetic engaging for all ages. Students sharpen mental math skills without even realizing they're learning. Great for: - Elementary and middle school students - Teachers looking for EdTech tools - Parents seeking educational games for kids - Homeschool families Have a feature idea? Share it directly with Erik, the developer, from inside the app!

Screenshots

Hello Crayons4 screens
Math Duel4 screens

Verdict

The call

The clearest difference is rating: Math Duel at 4.5 against Hello Crayons's 4.0. Math Duel also leads on monetization model (free vs free with in-app purchases) and ratings volume (236 vs 68). Hello Crayons's advantage is review sentiment (82% vs 64%) and iOS requirement (9.3 vs 15.0). On price, update cadence, ads and in-app purchases 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. Hello Crayons sells 10 one-off in-app purchases and Math Duel sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Math Duel holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 68 and 236 respectively. Written reviews complicate that: 82% of Hello Crayons's written reviews are positive against 64% of Math Duel's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard5 real differences · 5 level
Hello Crayons versus Math Duel: the parameters behind the verdict, then further details
ParameterHello CrayonsMath Duel
PriceFreeFree
Rating4.0 (68 ratings)4.5 (236 ratings) — better
Positive reviews81.6% of reviews — better64.4% of reviews
Number of ratings68236 — better
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.3 — better15.0
Further details — not scored
Size84 MB86 MB
Age rating4+4+
DeveloperRaysoft.coEllie's Games, LLC

Customer experience

Hello Crayons

All ratings58 ratings
Positive70.7%
Neutral10.3%
Negative19.0%
Written reviews283 reviews
Positive81.6%
Neutral7.4%
Negative11.0%

Math Duel

All ratings235 ratings
Positive88.1%
Neutral3.4%
Negative8.5%
Written reviews59 reviews
Positive64.4%
Neutral10.2%
Negative25.4%

User reviews

Hello Crayons

From 68 App Store ratings

What we love

  • 👨‍👩‍👧‍👦 Great for kids and toddlers
  • 🎨 Realistic crayon texture and appearance
  • 😌 Relaxing and stress-relieving activity
  • 👍 Easy and intuitive to use
  • 🎯 Good for creative expression and drawing

Room to improve

  • 🐛 Frequent crashes and freezing issues
  • ⏸️ App doesn't open or loads to blank screen
  • 💾 Pictures not saving to camera roll
  • 🔄 Lost purchases after updates
  • ⏳ No updates for years

Math Duel

From 236 App Store ratings

What we love

  • 👍 Great for practicing math facts
  • 👨‍👩‍👧‍👦 Good for family/classroom competition
  • 💡 Customizable difficulty levels
  • 🧠 Effective for mental math skills
  • 🎮 Fun and engaging gameplay

Room to improve

  • 🐛 Frequent crashing issues
  • 📉 Multiplication and division not working well for some
  • 🔢 Increments of 10 instead of 1 for numbers
  • 🚫 No option to focus on specific timestables
  • ❌ Inability to change operations/differentiation as advertised

Bugs and requests

Hello Crayons

Reported bugs

10 issues
  • App crashes on startup or during use
  • Blank white screen after loading
  • Pictures not saving to camera roll despite showing saved
  • Coloring books disappear after app update
  • Purchased extras lost after updates
Show 5 more
  • App freezes when accessing store or in-app purchases
  • Facebook sharing integration causes crashes
  • Email function occasionally crashes app
  • Crashes when opening coloring book section
  • Incompatibility with iPad 2 after updates

Requested features

10 requests
  • Zoom in and out capability
  • Multiple crayon/marker tip sizes
  • More colors and drawing tools
  • Import and trace pictures feature
  • More coloring book pages
Show 5 more
  • Music playback while using app
  • Highlighters and pencils options
  • Paint and watercolor tools
  • Ability to color inside the lines education mode
  • Wider color palette

Math Duel

Reported bugs

8 issues
  • App keeps crashing
  • Multiplication doesn't work well
  • Division problems cannot be solved due to lack of decimal key
  • Settings button resets score
  • App freezes timer in single player when settings is pressed
Show 3 more
  • Division rounds down, teaching incorrect math
  • Paid app contains ads
  • App keeps cutting off

Requested features

14 requests
  • Ability to focus on specific timestables
  • Option to change operations and differentiation
  • Support for older iPads
  • Return to increments of 1 for numbers
  • Add decimal point for division
Show 9 more
  • Option to give both opponents the same problems
  • Button to go back to menu
  • Button to restart in menu
  • Option for number of questions to win
  • Pause or stop button
  • Online mode
  • Ability to disable sound
  • Round to the tenths place
  • Spinner for difficulty control

In-app purchases

10 purchases

Hello Crayons

One-time10
  • 32 color crayons$0.99
  • 32 color marker pens$0.99
  • Coloring book #1$0.99
Show 7 more
  • Coloring Book #2$0.99
  • Coloring Book #3$0.99
  • Coloring Book #4$0.99
  • Flood Fills & Brush Pens$0.99
  • crayon_cbook5$0.99
  • crayon_cbook6$0.99
  • crayon_cbook7$0.99
1 purchases

Math Duel

One-time1
  • Unlock All Features$4.99

Questions

Is Hello Crayons free?
Hello Crayons is free to download, with in-app purchases available.
Is Math Duel free?
Math Duel is free to download, with in-app purchases available.
Which has better reviews, Hello Crayons or Math Duel?
Math Duel is rated higher. Hello Crayons averages 4.0 out of 5 from 68 ratings, while Math Duel averages 4.5 from 236 ratings.
Do Hello Crayons or Math Duel have ads?
Neither Hello Crayons nor Math Duel shows ads.
Which is updated more often, Hello Crayons or Math Duel?
Hello Crayons ships an update every 6 weeks, and Math Duel every 6 weeks. Most recently, Hello Crayons was updated on November 1, 2026 and Math Duel on November 8, 2026.

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