Comparison

eCollection vs Monster Math

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

Head to head
About

eCollection

This app provides a digital platform for guided reading, offering a library of leveled eBooks and interactive features for teachers and students. It supports various reading profiles, word interaction, recording, drawing, and text editing to enhance comprehension and engagement.

Highlights
  • Guided Reading Profile
  • Custom Reading Profile
  • Independent Reading Profile
  • Tap to Hear Words
  • Tap to Save Words
  • Record Mode
  • Draw Mode
Read full description

The eCollection eReader app is part of a brand new platform that re-imagines guided reading for iPads. Guided reading is a widely used teaching strategy where the teacher and all students in a group have a copy of the same book. The teacher assists the students to practise various reading strategies in order to comprehend the text. The eCollection eReader app allows teachers and students to use eCollection eBooks for guided reading. It utilises native iOS gestures to provide a seamless experience for young readers. ~~~~~~~~~~ FEATURES ~~~~~~~~~~ 300 pedagogically sound, carefully levelled eCollection eBooks combined with the following features: + Guided Reading Profile + Custom Reading Profile + Independent Reading Profile + Tap to Hear Words + Tap to Save Words + Record Mode + Draw Mode + Edit Text Mode + Reading Sessions + Student Profiles + Reading History + Reading Groups ~~~~~~~~~~~ REVIEWS ~~~~~~~~~~~ "A great way to access a very thorough levelled reading resource. It is compact and accessible." "I am working with older students and adults. It is a fantastic way for them to access material that they can read without making it obvious that they are reading at a low level." "I love having access to the eCollection readers digitally. I have used them throughout my 30+ years teaching" "Easy for kids, parents, teachers to use, convenient, wide range of books/levels, great graphics and wonderful app. Great resource for setting readers for home or school." "eCollection has made a difference in the learning for our target children." "A highly engaging digital reading resource directly linked to school reading." "Books are expensive and this is a cheaper option. No lost or damaged books." ~~~~~~~~~~ SUPPORT ~~~~~~~~~~ Send us an email at anz.techsupport@cengage.com with any questions, feedback or requests. Privacy Policy: https://cengage.com.au/privacy Terms and Conditions: https://cengage.com.au/terms Contact: https://cengage.com.au/contact-us

About

Monster Math

Embark on an epic math adventure where children explore planets, complete missions, and earn badges while building essential math skills. Designed by educators, this game makes learning addition, subtraction, multiplication, and division fun and engaging through interactive missions.

Highlights
  • Math adventure gameplay
  • Grade-specific math journeys
  • Focus on number sense
  • Aligned with Core curriculum
  • Offline play
  • Progress tracking for parents
Features
Read full description

Embark on an EPIC math adventure with Monster Math games! With Monster Math, kids explore exciting new planets, take on missions to save them, and collect cool badges. And the best part? They’re building their math skills while having a blast playing the game! Students flag off their journey by creating a profile and diving into a math journey adapted for their grade. Monster Math is designed by educators & grounded in research by Math Fact Fluency Expert Dr. Jennifer Bay-Williams. It sets the stage for kids' educational journey and builds their math facts skill step by step as their young minds explore fun and challenging math planets, mastering one math skill at a time in a fun game based format so immersive that they won’t even realize they are learning math. With Monster Math, practicing math is nothing like doing worksheets or just recognizing flashcards.Kids take on mini math missions and build confidence as they get better at addition, subtraction, multiplication, and division in a fun and engaging way! Winner of the Brain Child Award and National Parenting Product Award in 2020! WHY MONSTER MATH? Focus on building Number Sense: Instead of rote memorization only, Monster Math focuses on using visual cues to help kids understand how operations work, learn basic and advanced fact strategies, and in general get very flexible with numbers. It’s Engaging: We believe learning should spark joy, be visual, interactive, and fun. That’s why at Monster Math, we create mini math missions that feel like games while helping kids master key concepts! It’s aligned: Every mission in Monster Math is carefully designed to align with the Core curriculum as well as various state curriculums across the US, ensuring that kids are practicing the right skills at the right time. Designed for early elementary Grades: Monster Math covers key math concepts for 1st to 3rd graders, all aligned with Common Core standards. Stress-Free Learning: No time limits, no penalties, and no distractions, just pure math fun in a safe, ad-free environment! Play Anytime, Anywhere: Monster Math works offline, so kids can access the app and enjoy learning on the go, anytime and anywhere! WHAT PARENTS SAY ABOUT MONSTER MATH “My son has ADHD and loves the game. He is able to sit and play for an extended period of time. Without realizing that he is also learning. I highly recommend this game.” — Justin P’s Mom “Super excited that we found this one. I think this is the most fine learning apps online” — Areiladas1013 MONSTER MATH FOR PARENTS Monster Math isn’t just fun, it’s effective! Coming soon: You’ll get clear progress reports and skill breakdowns so you can easily track how your child is improving. MONSTER MATH FOR TEACHERS Monster Math is free for teachers. Use it to build Math fact fluency for your students. With student profiles, multiple kids can use the same device and still track their progress independently. SUBSCRIBE ONCE, LEARN FOREVER Sign up for a free 7-day trial to explore our learning experience. After the trial, subscribe annually for just $59.99/year. With one annual subscription, which works across multiple devices, your child unlocks all missions, updates, and future content. Subscription info: - Makkajai subscriptions are auto-renewable and annual with a 7-day Free Trial - Payment will be charged to iTunes Account at the end of the Free trial - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase - Cancellation will not go into effect until the end of the monthly billing cycle For support, questions or comments, write to us at: support@makkajai.com Our privacy policy can be found at: http://www.makkajai.com/privacy-policy Our terms of use can be found at: http://www.makkajai.com/terms Connect with us on Facebook & Instagram

Screenshots

Monster Math4 screens

Verdict

The call

The clearest difference is review sentiment: Monster Math at 67% against eCollection's 18%. Monster Math also leads on rating (4.5 vs 4.0) and update cadence (every 4 days vs every 6 months). eCollection's advantage is in-app purchases (none vs 3) and iOS requirement (12.2 vs 15.0). 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. Monster Math sells 3 in-app purchases, starting at $9.99 per month. eCollection asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Monster Math holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Monster Math has 35K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 18% of eCollection's written reviews are positive against 67% of Monster Math's.

UpkeepUpdate frequency

eCollection ships an update every 6 months, Monster Math every 4 days. The most recent releases landed on November 1, 2026 and November 13, 2026 respectively.

Scorecard8 real differences · 2 level
eCollection versus Monster Math: the parameters behind the verdict, then further details
ParametereCollectionMonster Math
PriceFreeFree
Rating4.0 (3 ratings)4.5 (35K ratings) — better
Positive reviews18.2% of reviews66.7% of reviews — better
Number of ratings335K — better
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.2 — better15.0
Further details — not scored
Size99 MB212 MB
Age rating4+4+
DeveloperCengage Learning AustraliaMakkajai Edu Tech Private Limited

Customer experience

eCollection

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews55 reviews
Positive18.2%
Neutral10.9%
Negative70.9%

Monster Math

All ratings35,101 ratings
Positive87.1%
Neutral5.2%
Negative7.7%
Written reviews469 reviews
Positive66.7%
Neutral5.1%
Negative28.1%

User reviews

eCollection

From 3 App Store ratings

What we love

  • 📚 Great book collection
  • 📈 Good for learning progress
  • 💡 Well-conceived concept
  • 👍 Easy for children to use (in theory)
  • 😊 Kids enjoy the books

Room to improve

  • 🐛 Frequent crashes and freezes
  • ❌ Unusable interface
  • 😩 Frustrating user experience
  • ⏳ Slow connection and login
  • 🚫 Cannot exit books or modes

Monster Math

From 35K App Store ratings

What we love

  • 👍 Fun and educational
  • 🚀 Engaging gameplay
  • 🚀 Customizable difficulty levels
  • 👍 Helps improve math skills
  • 👍 Entertaining for kids

Room to improve

  • 🔒 Requires subscription for full access
  • 🐛 Bugs and glitches in the app
  • 🐛 Incorrect answers shown in the app
  • 🔒 Misleading as 'free' app
  • 🐛 Repetitive gameplay

Bugs and requests

eCollection

Reported bugs

22 issues
  • App not working
  • Crash delete download repeat
  • Can’t quit from drawing mode
  • Stuck, hard to return to main page
  • No home page, cannot back to home page
Show 17 more
  • Buggy interface, buttons not displaying properly
  • Loses recording when turning pages
  • Blank screen when turning pages too fast
  • Login freezing/not being able to login
  • Crashes every time trying to log in
  • Cannot exit from a book
  • Stuck in book unable to exit
  • Terrible glitches
  • Login issues, cannot login
  • App opens but cannot click anything to login
  • Buttons do not work on current iPad update
  • Login button doesn’t work
  • App won't start
  • Stuck at login screen
  • Severe crashing problems
  • App keeps shutting down
  • Slow at connecting

Requested features

7 requests
  • Save login details
  • Clear navigation to return to main page/shelf
  • Option to buy individual subscriptions
  • Add bigger books (e.g., comics)
  • Clarify privacy for voice recording
Show 2 more
  • Improve UI and interaction design
  • Add marking read feature

Monster Math

Reported bugs

4 issues
  • Incorrect answers shown in the app
  • Subscription issues and inability to cancel
  • Compatibility problems with older devices
  • Login screen freezes

Requested features

5 requests
  • Add multiplication mode
  • Increase difficulty levels beyond 5th grade
  • Provide more customization options
  • Add a pause button
  • Improve progress tracking and reporting

In-app purchases

None

eCollection

No in-app purchases

3 purchases

Monster Math

Subscriptions3
  • Monster Math Premium$9.991 Month
  • Monster Math Premium$44.996 Months
  • Monster Math Premium7 Days trial$59.991 Year

Questions

Is eCollection free?
eCollection is free to download, with no in-app purchases.
Is Monster Math free?
Monster Math is free to download, with in-app purchases available.
Which has better reviews, eCollection or Monster Math?
Monster Math is rated higher. eCollection averages 4.0 out of 5 from 3 ratings, while Monster Math averages 4.5 from 35K ratings.
Do eCollection or Monster Math have ads?
Neither eCollection nor Monster Math shows ads.
Which is updated more often, eCollection or Monster Math?
eCollection ships an update every 6 months, and Monster Math every 4 days. Most recently, eCollection was updated on November 1, 2026 and Monster Math on November 13, 2026.

Other comparisons