Comparison

RoboFellow vs Lexy

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

Head to head
About

RoboFellow

This app allows users to control LEGO MINDSTORMS robots using a drag-and-drop block coding interface. It is designed for children aged 10 and above to engage with robotics and programming concepts.

Highlights
  • Control LEGO MINDSTORMS robots
  • Drag-and-drop block coding
  • Educational engagement for children
  • Robotics programming
  • Targeted for ages 10+
Features
Read full description

RoboFellow is an app that controls LEGO® MINDSTORMS and more The learner controls LEGO® MINDSTORMS® by using drag-and-drop blockly codes. RoboFellow is a member of RoboGarden's family of applications that target engagement among children of age 10+. -DISCLAIMER- "RoboFellow Lego EV3 Controller Program" is an app for fans of Lego EV3 and is intended to be used for informational and educational purposes only. "RoboFellow - Unofficial Lego EV3 Controller Program" is not licensed by, endorsed by, or associated with Lego.

About

Lexy

This app uses phonics games and AI to help children learn to read. It adapts to each child's pace and provides personalized feedback, making reading practice fun and effective for struggling readers, including those with dyslexia and ADHD. It offers structured lessons and progress tracking in a distraction-free environment.

Highlights
  • Adaptive phonics lessons
  • On-device voice recognition
  • Orton-Gillingham inspired methods
  • Structured phonics curriculum
  • Progress tracking
  • Dyslexia-friendly design
  • AR rewards
Features
Read full description

Is your child struggling with reading? Watching a bright kid dread reading homework is hard. Lexy turns learning to read into phonics games your child will actually ask to play - a patient tutor that listens as they read aloud, adapts to their pace, and celebrates every win. Built for dyslexia, ADHD, and every struggling reader. WHY PARENTS & TEACHERS LOVE LEXY "My dyslexic son actually ASKS to practice!" - Parent "Best IEP intervention tool we've found" - Special Ed Teacher A READING TUTOR THAT GROWS WITH YOUR CHILD Lexy is like having a patient, encouraging tutor who remembers everything: - Lessons get easier or harder based on how your child is doing TODAY - Extra help appears exactly when they need it (like magic!) - Never too fast, never too slow - just right for their pace - Catches tricky patterns before frustration sets in - Gets smarter about what works for YOUR child every week STRUCTURED PHONICS, PROVEN METHODS - 50+ structured phonics lessons, from letter sounds to decodable words and sight words - Orton-Gillingham inspired multisensory learning (visual, auditory, kinesthetic) - 10,000+ word smart dictionary with age-appropriate definitions - Interactive reading games with instant voice feedback - Daily phonics practice sessions personalized to your child - Progress tracking so you can watch reading confidence grow BUILT FOR DYSLEXIC AND NEURODIVERGENT LEARNERS - On-device voice recognition hears your child read and coaches pronunciation - ADHD-friendly short, engaging sessions - Dyslexia-friendly fonts and customizable display options - Pacing that respects cognitive load limits MAKES READING PRACTICE FUN, NOT FRUSTRATING - Stunning 3D AR rewards to collect and share - Achievement system that celebrates small wins - Home Screen widgets show daily progress and streaks - Custom Daily Goals adapt to age and skill level - Friendly AI tutor (Lexy) provides personal encouragement - No ads, no distractions - pure learning environment PERFECT FOR: - Struggling readers and kids with dyslexia (ages 5-12) - Parents helping early readers learn to read at home - Teachers and special education professionals - Schools and classrooms (bulk licensing available) - Homeschool families building a daily reading habit - Teens and adults improving literacy skills - English language learners (ESL/EFL) PRIVACY AND SAFETY YOU CAN TRUST - Apple Intelligence: voice processing happens on-device for maximum privacy - COPPA and GDPR Compliant (safe for children under 13) - FERPA Compliant (approved for educational institutions) - Hybrid AI: on-device Apple Intelligence + secure cloud AI for personalization - No third-party tracking or data selling - No ads or intrusive in-app purchase prompts - Family-friendly content with age-appropriate vocabulary AVAILABLE IN MULTIPLE LANGUAGES - American English - British English - French - German - Spanish START FREE TODAY Two practice sessions free every day. No credit card required. Premium unlocks unlimited practice and the full curriculum - cancel anytime. Download now • Try 50+ phonics lessons Perfect for: Dyslexia • ADHD • Struggling Readers • Homeschool • IEP/504 Plans Join thousands of families who've made reading practice something their kids actually look forward to. Small wins every day add up to real reading confidence. Created by DyslexiaAI - educators and parents building world-class tools for dyslexic and neurodivergent minds. SUPPORT AND RESOURCES Privacy Policy: https://dyslexia.ai/privacy-policy Support Center: https://dyslexia.ai/contact Educator Portal: https://dyslexia.ai/platform Contact Us: support@dyslexia.ai Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RoboFellow4 screens
Lexy4 screens

Verdict

The call

The clearest difference is rating: Lexy at 4.5 against RoboFellow's 3.0. Lexy also leads on ratings volume (319 vs 4). RoboFellow's advantage is in-app purchases (none vs 10) and update cadence (every 3 days vs monthly). 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. Lexy sells 10 in-app purchases, starting at $4.99 per month. RoboFellow asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lexy holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Lexy has 319 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

RoboFellow ships an update every 3 days, Lexy monthly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
RoboFellow versus Lexy: the parameters behind the verdict, then further details
ParameterRoboFellowLexy
PriceFreeFree
Rating3.0 (4 ratings)4.5 (319 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings4319 — better
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS9.0 — better17.0
Further details — not scored
Size60 MB115 MB
Age rating4+4+
DeveloperRoboGarden Inc.Round Tower Software Studios Limited

Customer experience

RoboFellow

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Lexy

All ratings319 ratings
Positive84.6%
Neutral4.7%
Negative10.7%
Written reviews30 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

Bugs and requests

RoboFellow

Not enough reviews yet to summarise bugs or requests.

Lexy

Reported bugs

16 issues
  • App glitches on iPhone
  • AI learner not working
  • WiFi error messages
  • Error messages displayed frequently
  • Cannot sign up
Show 11 more
  • 3D rewards freeze screen
  • Calibration issue
  • App crashes
  • Phonetics not working in French
  • Upside down letters
  • Premium pop-up prevents play
  • Microphone not detecting voice
  • Sound takes over a minute to play
  • App freezes phone
  • Premium issues after free trial
  • App won't let user do anything after paying

Requested features

3 requests
  • More time for sounding out words
  • More levels (up to 15)
  • Fix microphone issues for lisp

In-app purchases

None

RoboFellow

No in-app purchases

10 purchases

Lexy

Subscriptions10
  • Premium Monthly14 Days trial$4.991 Month
  • Monthly1 Month trial$4.991 Month
  • Premium Monthly$5.991 Month
Show 7 more
  • Educational Monthly$7.991 Month
  • Family Monthly14 Days trial$11.991 Month
  • Premium Yearly14 Days trial$29.991 Year
  • Premium Yearly14 Days trial$44.991 Year
  • Yearly1 Year trial$49.991 Year
  • Educational Yearly14 Days trial$59.991 Year
  • Family Yearly14 Days trial$89.001 Year

Questions

Is RoboFellow free?
RoboFellow is free to download, with no in-app purchases.
Is Lexy free?
Lexy is free to download, with in-app purchases available.
Which has better reviews, RoboFellow or Lexy?
Lexy is rated higher. RoboFellow averages 3.0 out of 5 from 4 ratings, while Lexy averages 4.5 from 319 ratings.
Do RoboFellow or Lexy have ads?
Neither RoboFellow nor Lexy shows ads.
Which is updated more often, RoboFellow or Lexy?
RoboFellow ships an update every 3 days, and Lexy monthly. Most recently, RoboFellow was updated on November 2, 2026 and Lexy on November 7, 2026.

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