Comparison

smART sketcher projector vs LEGO® Builder

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

Head to head
About

smART sketcher projector

This app transforms a projector into a creative tool for sketching, drawing, and learning to write. It offers step-by-step guidance for users of all ages, allowing them to project personal photos or pre-loaded activities. Enhance your experience with exclusive content through a subscription.

Highlights
  • Project personal photos for drawing
  • Step-by-step drawing instructions
  • Learn to write letters and cursive
  • Pre-loaded activity packs
  • Filter images for different drawing mediums
  • Subscription for exclusive content
Read full description

The smART sketcher Projector App is compatible with both the original smART sketcher® Projector and the smART sketcher® 2.0 Projector. Please note this App is not compatible with the smART sketcher® AI Projector. Sketch, draw, and learn to write like a pro using the smART sketcher® Projector and this FREE APP. Step-by-step instructions guide small – or large – hands through the entire process. It makes learning playful and engaging. Just as it should be! Note: You need to have a smART sketcher® Projector to use this app. smART sketcher® puts the fun of sketching, drawing, and writing into the hands of kids ages 5 to 105 using a smART sketcher® Projector. Kids can download photos from any mobile device or use pre-loaded activity packs for endless play-and-learning activities. smART sketcher® encourages creativity, small motor development, storytelling, and early reading skills. It helps bridge the gap between schoolwork, homework and play! NEW!!! - Play smarter! Up your smART sketcher® experience with a Super smART subscription. Join the smART sketcher® members-only program and receive exclusive content. It’s the newest and smARTest way to play! - 3 subscription plans to choose from. - Receive new members-only activities every month. - Play on all of your connected Apple mobile devices registered with your Flycatcher ID. - Try 1 month for free! After the free-trial, a monthly/yearly auto-renewable subscription will be activated. We’re pretty sure you’re going to love this, but if you don’t, you can cancel your subscription anytime. One month of free-trial is available for new subscribers only. Check our EULA at https://www.flycatcher.toys/smart-sketcher/eula/ and privacy policy at https://www.flycatcher.toys/smart-sketcher/privacy-policy/ for full details. Play 3 ways: Imagine anything! Download any photo from your mobile device. Project it on paper with your connected smART sketcher® Projector. Filter it for crayon, marker, or pencil drawing. Sketch like a pro! Color it in to add your own details. Sketch and color Choose a pre-loaded picture on your smART sketcher® Projector. Step-by-step instructions show you how to draw it like a pro! Watch the finished image come to life with sound and movement. Write and play Learn to form upper case, lower case and cursive letters the correct way with step-by-step instructions, plus curriculum-based early reading content, and lots of space to practice your skills! If you want to extend the fun, additional smART sketcher® activity products are available for separate purchase at https://www.flycatcher.toys/smart-sketcher-2/ : - smART sketcher® Creativity Packs, containing 50 learn-to-draw activities, are available in a variety of age-appropriate themes. - smART sketcher® Learn-A-Language Alphabet Packs, containing 50 writing and early reading activities, are available in separate languages as well as cursive writing. - smART sketcher® Creativity Set, contains 20 sheets of framed paper, 5 reusable magnetic frames, 6 crayons, 6 markers, and 6 colored pencils. Everything is organized in a convenient carry-and-stow case. - smART sketcher® Picture This! Frames, contains 20 sheets of framed paper and 5 magnetic frames to display finished work. For app support contact us at https://www.flycatcher.toys/support/ Our privacy policy and terms of use for apps are accepted if you download this app. smART sketcher® is a trademark of Flycatcher Toys INC © 2025. All rights reserved.

About

LEGO® Builder

This app provides interactive 3D building instructions for LEGO sets. It allows users to zoom, rotate, and view models from all angles, with step-by-step guidance. It also features a collaborative building mode for multiple users and a digital library of thousands of instruction manuals.

Highlights
  • Interactive 3D building instructions
  • Zoom, rotate, and view from all angles
  • Step-by-step digital guidance
  • Collaborative 'Build Together' mode
  • Digital library of thousands of instructions
  • Track building progress and brick count
Read full description

LEGO® Builder is the official building instructions app for LEGO® sets that guides you on an easy, fun, and collaborative digital building adventure. Build your set like never before: - Step into a new way of building with an intuitive 3D building experience that lets you zoom, rotate, and view LEGO® sets from every angle. - Use step-by-step digital building instructions to see each brick clearly and bring your set to life with confidence. Build Together with friends and family! - Build Together is a fun, social building experience designed for multiple builders to work together. - You can team up and divide tasks to complete your LEGO® set as a group - perfect for fun social family nights, birthdays, or holidays like Valentine’s Day, Easter, Mother’s Day, Father’s Day or Christmas. - Share a PIN code to join as a host or builder, take turns completing building steps, and collaborate to finish the model together. - Check in the app to see if your LEGO® set can be built using the Build Together feature. Discover thousands of LEGO® instructions - Explore a digital library of LEGO® building instructions from 2000 to today. - Search by set name or number, or scan the QR code on your instruction manual to open it instantly in the app. Follow a story as you build - Unlock enriched content and guided building experiences for select LEGO® themes, bringing extra fun and imagination to your 3D building journey. Unlock more with a LEGO® Account - Save your progress, build a digital collection of your LEGO® sets, and track your total number of bricks. - Pick up right where you left off - anytime, anywhere. Track your building journey - Now you can keep a record of your completed sets, see your total bricks built, and celebrate your progress as a LEGO® Builder. Things to keep in mind - You’ll need a stable internet connection to use this app. We’re always adding new digital building instructions so you can expand your collection, explore new sets, and find even more ways to build together. - Want to know if your set includes digital instructions or Build Together mode? Check in the app and start your collaborative adventure today! We're eager to hear how we can make the LEGO® Builder app even better for you! Please leave us your thoughts and recommendations in the reviews to help us make the LEGO® Builder app even better. LEGO, the LEGO logo, the Brick and Knob configurations, and the Minifigure are trademarks of the LEGO Group. © 2025 The LEGO Group.

Screenshots

smART sketcher projector4 screens
LEGO® Builder4 screens

Verdict

The call

The clearest difference is rating: LEGO® Builder at 4.8 against smART sketcher projector's 3.3. LEGO® Builder also leads on review sentiment (78% vs 36%) and in-app purchases (none vs 10). smART sketcher projector's advantage is iOS requirement (13.0 vs 15.1). 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. smART sketcher projector sells 10 in-app purchases, starting at $1.99 per month. LEGO® Builder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LEGO® Builder holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: LEGO® Builder has 290K ratings behind it against 405, so its average is the more settled of the two. Written reviews point the same way: 36% of smART sketcher projector's written reviews are positive against 78% of LEGO® Builder's.

UpkeepUpdate frequency

smART sketcher projector ships an update every 2 months, LEGO® Builder every 3 weeks. The most recent releases landed on October 23, 2026 and November 1, 2026 respectively.

Scorecard8 real differences · 3 level
smART sketcher projector versus LEGO® Builder: the parameters behind the verdict, then further details
ParametersmART sketcher projectorLEGO® Builder
PriceFreeFree
Rating3.3 (405 ratings)4.8 (290K ratings) — better
Positive reviews35.7% of reviews77.6% of reviews — better
Number of ratings405290K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank—#99 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size36 MB264 MB
Age rating4+4+
DeveloperFlyCatcher Inc.LEGO

Customer experience

smART sketcher projector

All ratings405 ratings
Positive52.8%
Neutral8.1%
Negative39.0%
Written reviews154 reviews
Positive35.7%
Neutral11.7%
Negative52.6%

LEGO® Builder

All ratings288,515 ratings
Positive95.4%
Neutral2.0%
Negative2.6%
Written reviews3,811 reviews
Positive77.6%
Neutral6.2%
Negative16.2%

User reviews

smART sketcher projector

From 405 App Store ratings

What we love

  • 🎨 Helpful for improving drawing skills
  • 📷 Ability to use own photos for tracing
  • 🖌️ Step-by-step drawing instructions

Room to improve

  • 🔒 Subscription required for full functionality
  • 🔍 Difficulty connecting to device
  • 🔴 Buggy app crashes and freezes
  • 🔍 Issues accessing photo library

LEGO® Builder

From 290K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Helpful for building sets
  • 🤖 Great 3D instructions
  • 💡 Ability to save built sets
  • 🎨 Organized by theme and year

Room to improve

  • 🐛 Crashes when using sticker steps
  • 🔍 Missing instructions for older/retired sets
  • 🔍 Incomplete set of instructions for newer sets
  • 🔍 Difficult to navigate and find specific sets
  • 🔍 Inability to add older sets to collection

Bugs and requests

smART sketcher projector

Reported bugs

3 issues
  • SD card not recognized
  • Bluetooth connection issues
  • App crashes when trying to access camera

Requested features

3 requests
  • Resize and adjust image size options
  • Ability to mute app sounds
  • Support for multiple sketcher devices

LEGO® Builder

Reported bugs

4 issues
  • Sets disappearing from collection after updates
  • Inability to log in and save collection
  • Slow loading and reloading of instructions
  • Zoom and navigation issues on instructions

Requested features

5 requests
  • Add more older/retired sets
  • Improve navigation and search functionality
  • Allow adding of older sets to collection
  • Implement wishlist feature
  • Add more personalization options for profiles

In-app purchases

10 purchases

smART sketcher projector

Subscriptions3
  • Super smART! Basic1 Month trial$1.991 Month
  • Super smART! Premium1 Month trial$6.991 Month
  • Super smART! Premium1 Month trial$29.991 Year
One-time7
  • Museum Art Collection$14.99
  • Horses and Unicorns$14.99
  • Royal Princesses #2$14.99
Show 4 more
  • Insect Kingdom$14.99
  • All Sports$14.99
  • Anime Chibi Characters$14.99
  • Historic Architecture$14.99
None

LEGO® Builder

No in-app purchases

Questions

Is smART sketcher projector free?
smART sketcher projector is free to download, with in-app purchases available.
Is LEGO® Builder free?
LEGO® Builder is free to download, with no in-app purchases.
Which has better reviews, smART sketcher projector or LEGO® Builder?
LEGO® Builder is rated higher. smART sketcher projector averages 3.3 out of 5 from 405 ratings, while LEGO® Builder averages 4.8 from 290K ratings.
Do smART sketcher projector or LEGO® Builder have ads?
Neither smART sketcher projector nor LEGO® Builder shows ads.
Which is updated more often, smART sketcher projector or LEGO® Builder?
smART sketcher projector ships an update every 2 months, and LEGO® Builder every 3 weeks. Most recently, smART sketcher projector was updated on October 23, 2026 and LEGO® Builder on November 1, 2026.

Other comparisons