Comparison

eCollection vs Synthesis Math Tutor for Kids

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

Synthesis Math Tutor for Kids

An AI-powered math tutor offers personalized, adaptive lessons for children aged 5-11. It covers a range of topics with interactive guidance and engaging gameplay, helping to build confidence and critical thinking skills.

Highlights
  • AI-powered adaptive lessons
  • Interactive digital tutor
  • Multi-sensory learning with digital manipulatives
  • Progress tracking for accuracy and speed
  • Engaging gameplay for math practice
  • Adaptive flashcards
Read full description

Synthesis Tutor is an AI-powered math tutor for kids ages 5-11. Personalized, step-by-step lessons adapt to your child's level across place value, addition, subtraction, multiplication, division, and fractions, and make daily practice something kids actually ask to do. Key Features: • Interactive Digital Tutor: Step-by-step guidance that is better than a conversation with the world's best teacher. • Multi-Sensory Learning: Digital manipulatives for hands-on understanding. • Progress Tracking: Monitor your child's improvement in both accuracy and speed. • Engaging Gameplay: Math practice so fun, kids forget they're learning! • Adaptive Flashcards: Our smart system adjusts difficulty in real-time based on your child's performance. Perfect for: • Elementary school students • Children struggling with math anxiety • Advanced learners seeking a challenge • Neurodivergent and neuro-atypical students, including ADHD and Autism (ASD) • Parents looking for an effective at-home math solution Math Topics Covered: • Addition & Subtraction • Multiplication & Division • Fractions • Word Problems • Place Value & Number Sense • And more! Why Choose Synthesis Tutor? 1. Personalized Learning: Our app adapts to your child's pace and learning style. 2. Builds Confidence: Celebrates progress and encourages persistence. 3. Develops Critical Thinking: Teaches problem-solving strategies, not just memorization. 4. Parent-Approved: Designed to be both educational and entertaining. Kids and Families Love Synthesis Tutor! "The A.I is brilliant, the comments are perfectly pitched for ages 7+. My daughter liked 'her' and on the first session, I had to get her to stop at an hour and a half otherwise, she would have just kept going." - Parent of Emily (8) "There are times in homeschooling when you can see it click with your child. With Synthesis, I get to see that almost every time. Even better, I am starting to see them applying strategies they learn in Synthesis to other topics." - Parent of Maggie (12) and Mike (9) "One of my son's passions was always math, but lately he was less interested because he said his math class was too easy and boring. Synthesis gave him a challenge he needed and he's loving math again!" - Parent of Nathan (7) Download Synthesis Tutor today and watch your child's math skills soar! Turn screen time into learning time with an app so engaging, you might need to set limits on math practice. Experience the journey yourself with our free flashcards lesson focused on multiplication. For full access to our extensive math library, grab a subscription anytime and unlock the complete learning experience. Privacy Policy: https://www.synthesis.com/privacy Terms of Service: https://www.synthesis.com/terms

Verdict

The call

The clearest difference is review sentiment: Synthesis Math Tutor for Kids at 77% against eCollection's 18%. Synthesis Math Tutor for Kids also leads on rating (4.6 vs 4.0) and update cadence (monthly vs every 6 months). eCollection's advantage is in-app purchases (none vs 5) and iOS requirement (12.2 vs 16.0). On price, ads and device support 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. Synthesis Math Tutor for Kids sells 5 in-app purchases, starting at $29.00 per month. eCollection asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Synthesis Math Tutor for Kids holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Synthesis Math Tutor for Kids has 10K 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 77% of Synthesis Math Tutor for Kids's.

UpkeepUpdate frequency

eCollection ships an update every 6 months, Synthesis Math Tutor for Kids monthly. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

Scorecard7 real differences · 3 level
eCollection versus Synthesis Math Tutor for Kids: the parameters behind the verdict, then further details
ParametereCollectionSynthesis Math Tutor for Kids
PriceFreeFree
Rating4.0 (3 ratings)4.6 (10K ratings) — better
Positive reviews18.2% of reviews76.9% of reviews — better
Number of ratings310K — better
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPadiPad
Requires iOS12.2 — better16.0
Further details — not scored
Size99 MB3 MB
Age rating4+4+
DeveloperCengage Learning AustraliaSynthesis

Customer experience

eCollection

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

Synthesis Math Tutor for Kids

All ratings10,187 ratings
Positive90.8%
Neutral4.0%
Negative5.2%
Written reviews143 reviews
Positive76.9%
Neutral5.6%
Negative17.5%

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

Synthesis Math Tutor for Kids

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

eCollection

No in-app purchases

5 purchases

Synthesis Math Tutor for Kids

Subscriptions5
  • Synthesis Tutor Family Monthly7 Days trial$29.001 Month
  • Synthesis Tutor Family Monthly$29.001 Month
  • Synthesis Tutor Annual Family7 Days trial$119.001 Year
Show 2 more
  • Synthesis Tutor Annual Family$119.001 Year
  • Synthesis Tutor Annual Monthly7 Days trial$294.991 Year

Questions

Is eCollection free?
eCollection is free to download, with no in-app purchases.
Is Synthesis Math Tutor for Kids free?
Synthesis Math Tutor for Kids is free to download, with in-app purchases available.
Which has better reviews, eCollection or Synthesis Math Tutor for Kids?
Synthesis Math Tutor for Kids is rated higher. eCollection averages 4.0 out of 5 from 3 ratings, while Synthesis Math Tutor for Kids averages 4.6 from 10K ratings.
Do eCollection or Synthesis Math Tutor for Kids have ads?
Neither eCollection nor Synthesis Math Tutor for Kids shows ads.
Which is updated more often, eCollection or Synthesis Math Tutor for Kids?
eCollection ships an update every 6 months, and Synthesis Math Tutor for Kids monthly. Most recently, eCollection was updated on October 22, 2026 and Synthesis Math Tutor for Kids on October 26, 2026.

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