Comparison

Lexia Core5 Reading vs Imagine Math Facts

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

Head to head
About

Lexia Core5 Reading

This app accelerates literacy development for students in preK-5 by providing personalized, science-based reading instruction. It adapts to individual student performance, targets skill gaps, and equips educators with real-time data and resources for tailored instruction.

Highlights
  • Personalized adaptive learning
  • Science of reading based instruction
  • Targets skill gaps
  • Real-time progress monitoring
  • Actionable data for educators
  • Six critical reading areas
Features
Read full description

Use of this app requires an active account for Lexia® Core5® Reading. If you do not have a username and password, please contact your school for more information. About Lexia Core5 Reading: Personalized. Powerful. Proven. Built on the science of reading, Lexia Core5 Reading accelerates the development of literacy skills for students of all abilities in grades preK–5, helping them make that critical shift from learning to read to reading to learn. Based on performance on a research-validated, adaptive auto-placement, students begin Core5 at the level that's just right for them. From there, Core5 seamlessly adapts with student performance, targets skill gaps as they emerge, and equips educators with the data and instructional resources they need to personalize instruction for every student. The adaptive blended learning structure embedded in Core5 provides an explicit, systematic, personalized approach to reading instruction. The program is organized around six critical areas of reading: • Phonological Awareness • Phonics, Structural Analysis • Automaticity/Fluency • Vocabulary • Comprehension Based on student performance, Lexia's Embedded Assessment technology provides teachers and administrators real-time progress monitoring data—without stopping classroom instruction to give a test—saving up to a month of instructional time by • identifying student risk levels • predicting future performance • prescribing instructional intensity • providing real-time data and action plans Within the first month of use, teachers will know each student's probability of meeting end-of-year, grade-level benchmark, and will receive the recommended resources and intensity of instruction necessary to improve students’ learning trajectory. In just minutes, administrators can see a full picture of academic progress across a district, school, grade, and class, down to the individual student, through easy-to-interpret, actionable reports. About Lexia: Lexia®, a Cambium Learning Group company, is the Structured Literacy expert. For nearly 40 years, the company has focused solely on literacy, and today provides science-of-reading-based solutions for both students and educators. With robust offerings for differentiated instruction, personalized learning, assessment, and professional learning, Lexia helps more learners read, write, and speak with confidence.

About

Imagine Math Facts

This educational app helps students achieve fluency with core math facts through engaging gameplay. It offers insightful reports for tracking progress, but is only available to schools with a required login.

Highlights
  • Core math fact fluency development
  • High-end gameplay
  • Cutting-edge curriculum
  • Insightful progress reports
  • School-exclusive access
Read full description

** Formerly Big Brainz For Schools ** *Available only to schools. A school login is required. Contact your school about how to access.* *iPad 4 or higher required for play.* Imagine Math Facts combines high-end gameplay with cutting-edge curriculum and insightful reports to ensure students develop complete fluency with their core math facts.

Verdict

The call

The clearest difference is ratings volume: Lexia Core5 Reading at 14K against Imagine Math Facts's 385. Lexia Core5 Reading also leads on update cadence (monthly vs every 2 months). Imagine Math Facts's advantage is iOS requirement (12.0 vs 16.0). On price, rating, review sentiment 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

Imagine Math Facts holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: Lexia Core5 Reading has 14K ratings behind it against 385, so its average is the more settled of the two. Written reviews point the same way: 41% of Lexia Core5 Reading's written reviews are positive against 45% of Imagine Math Facts's.

UpkeepUpdate frequency

Lexia Core5 Reading ships an update monthly, Imagine Math Facts every 2 months. The most recent releases landed on September 26, 2026 and September 5, 2026 respectively.

Scorecard3 real differences · 7 level
Lexia Core5 Reading versus Imagine Math Facts: the parameters behind the verdict, then further details
ParameterLexia Core5 ReadingImagine Math Facts
PriceFreeFree
Rating3.5 (14K ratings)3.7 (385 ratings) — better
Positive reviews40.6% of reviews45.3% of reviews — better
Number of ratings14K — better385
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS16.012.0 — better
Further details — not scored
Size460 MB75 MB
Age rating4+4+
DeveloperLexia Learning Systems, LLCImagine Learning, Inc.

Customer experience

Lexia Core5 Reading

All ratings14,285 ratings
Positive60.4%
Neutral6.7%
Negative32.9%
Written reviews522 reviews
Positive40.6%
Neutral8.8%
Negative50.6%

Imagine Math Facts

All ratings378 ratings
Positive65.1%
Neutral4.8%
Negative30.2%
Written reviews75 reviews
Positive45.3%
Neutral9.3%
Negative45.3%

User reviews

Lexia Core5 Reading

From 14K App Store ratings

What we love

  • 👍 Helpful for learning and improving reading skills
  • 🚀 Allows users to skip levels and progress quickly
  • 💡 Engaging and fun for some users

Room to improve

  • 🐛 Glitchy and buggy, with issues like freezing and crashing
  • ⏱️ Slow loading times and long lesson explanations
  • 🤖 Repetitive and boring for some users
  • 🤯 Frustrating and overwhelming for some students

Imagine Math Facts

From 385 App Store ratings

What we love

  • 🎮 Engaging gamified learning experience
  • 📚 Effective math facts practice and skill building
  • 🏆 Challenging difficulty levels that promote learning
  • 😊 Fun and entertaining for many users
  • 🎯 Good for reinforcing math fundamentals

Room to improve

  • ⏱️ Extremely tight time limits for answering questions
  • 🔄 Harsh penalty system - restart entire level for one mistake
  • 🔐 Mandatory login/site code requirement blocks casual access
  • 😤 Frustrating difficulty curve causes emotional distress
  • 📱 Technical issues with iPad compatibility and sign-in

Bugs and requests

Lexia Core5 Reading

Reported bugs

3 issues
  • Login issues and inability to access account
  • Incorrect answers being marked as wrong
  • Levels resetting unexpectedly or not progressing properly

Requested features

4 requests
  • Add a skip button or option to speed up lesson explanations
  • Improve compatibility with older devices and tablets
  • Provide more challenging content for advanced users
  • Offer more customization and personalization options

Imagine Math Facts

Reported bugs

7 issues
  • Login authentication failures for school credentials
  • App crashes and kicks users out on iPad
  • Correct answers being marked as incorrect
  • Input lag - answers registered after time limit despite being entered in time
  • Quit button causing unexpected app exit
Show 2 more
  • Repetitive question generation after incorrect answers
  • Site code verification link not functioning

Requested features

9 requests
  • Increase time limits for answering questions
  • Allow progression without restarting entire level on single mistake
  • Remove or simplify site code requirement for individual users
  • Add sign-up option for non-school users
  • Implement user choice for character gender
Show 4 more
  • Adjust boss battle mechanics to show questions clearly
  • Add difficulty adjustment settings
  • Provide option to continue playing at home without school credentials
  • Implement more forgiving error handling system

In-app purchases

None

Lexia Core5 Reading

No in-app purchases

None

Imagine Math Facts

No in-app purchases

Questions

Is Lexia Core5 Reading free?
Lexia Core5 Reading is free to download, with no in-app purchases.
Is Imagine Math Facts free?
Imagine Math Facts is free to download, with no in-app purchases.
Which has better reviews, Lexia Core5 Reading or Imagine Math Facts?
Imagine Math Facts is rated higher. Lexia Core5 Reading averages 3.5 out of 5 from 14K ratings, while Imagine Math Facts averages 3.7 from 385 ratings.
Do Lexia Core5 Reading or Imagine Math Facts have ads?
Neither Lexia Core5 Reading nor Imagine Math Facts shows ads.
Which is updated more often, Lexia Core5 Reading or Imagine Math Facts?
Lexia Core5 Reading ships an update monthly, and Imagine Math Facts every 2 months. Most recently, Lexia Core5 Reading was updated on September 26, 2026 and Imagine Math Facts on September 5, 2026.

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