Comparison

Lexia Core5 Reading vs i

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

i

Access personalized learning resources and educational games on the go. This app provides students with tools for assessment and instruction, complementing their school-based i-Ready program. Engage with interactive content designed to foster academic growth.

Highlights
  • Access i-Ready Assessment
  • Personalized Instruction
  • i-Ready Classroom Mathematics
  • Learning Games
  • Student academic growth tools
Read full description

i-Ready Connect™ for Students is a free app for students who use i-Ready at school. Students can use this app to access i-Ready Assessment and Personalized Instruction, i-Ready Classroom Mathematics, and Learning Games. ABOUT I-READY i-Ready integrates powerful assessments with engaging instruction to help all students grow and succeed. SUPPORT Email: i-readysupport@cainc.com Phone: 800-225-0248 Hours: Monday through Friday, 7:00am – 9:00pm EST For further technical details, visit our System Requirements page at https://i-ReadyConnect.com/login/support.

Verdict

The call

The clearest difference is rating: Lexia Core5 Reading at 3.5 against i's 2.4. Lexia Core5 Reading also leads on review sentiment (41% vs 16%) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Lexia Core5 Reading holds the better App Store score, 3.5 against 2.4. Both are backed by a comparable volume of ratings — 14K and 23K respectively. Written reviews point the same way: 41% of Lexia Core5 Reading's written reviews are positive against 16% of i's.

UpkeepUpdate frequency

Lexia Core5 Reading ships an update every 3 weeks, i every 3 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 6 level
Lexia Core5 Reading versus i: the parameters behind the verdict, then further details
ParameterLexia Core5 Readingi
PriceFreeFree
Rating3.5 (14K ratings) — better2.4 (23K ratings)
Positive reviews41.0% of reviews — better15.8% of reviews
Number of ratings14K23K — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS16.0 — better18.1
Further details — not scored
Size460 MB257 MB
Age rating4+4+
DeveloperLexia Learning Systems, LLCCurriculum Associates, LLC

Customer experience

Lexia Core5 Reading

All ratings14,410 ratings
Positive60.4%
Neutral6.7%
Negative32.9%
Written reviews539 reviews
Positive41.0%
Neutral8.7%
Negative50.3%

i

All ratings22,724 ratings
Positive33.2%
Neutral4.2%
Negative62.6%
Written reviews1,268 reviews
Positive15.8%
Neutral5.6%
Negative78.6%

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

i

From 23K App Store ratings

What we love

  • 🚀 Helps improve grades
  • 👍 Enjoyable learning experience
  • 💡 Customized lessons based on skill level

Room to improve

  • 🐛 Incorrect answers marked as wrong
  • 🤯 Mentally exhausting and stressful
  • ⏱️ Lessons take too long to complete
  • 🤖 Annoying and childish characters
  • 🤔 Lessons don't align with classroom learning

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

i

Reported bugs

3 issues
  • Frequent app crashes and freezes
  • Keyboard glitches and input issues
  • Inconsistent scoring and progress tracking

Requested features

4 requests
  • Provide step-by-step explanations for wrong answers
  • Allow skipping of lessons already mastered
  • Improve diagnostic test accuracy and relevance
  • Make lessons more engaging and age-appropriate

In-app purchases

None

Lexia Core5 Reading

No in-app purchases

None

i

No in-app purchases

Questions

Is Lexia Core5 Reading free?
Lexia Core5 Reading is free to download, with no in-app purchases.
Is i free?
i is free to download, with no in-app purchases.
Which has better reviews, Lexia Core5 Reading or i?
Lexia Core5 Reading is rated higher. Lexia Core5 Reading averages 3.5 out of 5 from 14K ratings, while i averages 2.4 from 23K ratings.
Do Lexia Core5 Reading or i have ads?
Neither Lexia Core5 Reading nor i shows ads.
Which is updated more often, Lexia Core5 Reading or i?
Lexia Core5 Reading ships an update every 3 weeks, and i every 3 months. Most recently, Lexia Core5 Reading was updated on November 8, 2026 and i on November 9, 2026.

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