Comparison

Coding Express LEGO® Education vs Blue's Blocs

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

Head to head
About

Coding Express LEGO® Education

This app introduces preschoolers to early coding concepts and 21st-century skills using a LEGO DUPLO train set. It offers four engaging activity areas: Journeys, Characters, Math, and Music, fostering problem-solving, collaboration, and creativity.

Highlights
  • Early coding concepts for preschoolers
  • LEGO DUPLO train set integration
  • Four activity areas: Journeys, Characters, Math, Music
  • Develops sequencing, problem-solving, and collaboration
  • Teacher guides and lesson plans included
  • Supports social and emotional development
Read full description

All on board the Coding Express! Coding Express LEGO® Education introduces early coding concepts and 21st century skills to preschoolers. Using the popular LEGO® DUPLO® train set, teacher guide and an easy-to-use app, preschool teachers have all they need to teach early coding concepts. TEACHER QUOTES “I have never seen anything like Coding Express and I am very intrigued with its structure and the varying ways it can teach children specific skills they might not have gained through play before. I love its versatility and how the many different areas of play will keep most children occupied for a very long time.” Kate, preschool teacher, USA “Coding Express gives preschoolers a very different learning experience. Building different shapes with the train track helps them to understand the coding concept and combined with the educational activities and teacher material it makes early coding intuitive, fun and educational. The app enhances the experience and it gives the early learners more ways to learn about coding.” Wenting, pre-school and kindergarten teacher, China With the Coding Express app and LEGO® DUPLO® solution you will get: • 234 LEGO® DUPLO® bricks, including Push & Go train with lights and sounds, motor, color sensor, 5 color-coded action bricks, 2 railroad switches and 3.8 meters of train track • Teaching materials that includes 8 online lessons, introduction guide, poster, 3 building inspiration cards for building 12 unique models, 5 getting started activities and 8 simple video tutorials • Free app featuring 4 fun and educational activity areas, including: o Journeys: Explore destinations and traffic signs. Learn about the sequencing of events, making predictions, planning and problem solving. Characters: Support children’s social and emotional development. Children identify and examine the feelings of characters, considering the consequences for others. Math: Explore and understand how to measure, estimate distance and identify numbers. Music: Learn about sequencing and looping. Compose simple melodies, explore different animal and instruments sounds. • Key learning values include sequencing, looping, conditional coding, problem solving, critical thinking, collaboration, language and literacy, and expressing ideas with digital elements • Teaching solution and early coding toy for preschool children 2-5 years old; Developed using science, math and technology from the National Association for the Education of Young Children (NAEYC) and the 21st Century Early Learning Framework (P21 ELF) and the Head Start Early Learning Outcomes Framework. *** IMPORTANT*** This is not a standalone educational app. This app is used to program the LEGO® Education Coding Express set, which is sold separately. Please contact your local LEGO Education reseller for further information. Getting Started: www.legoeducation.com/codingexpress Lesson Plans: www.legoeducation.com/lessons/codingexpress Support: www.lego.com/service Twitter: www.twitter.com/lego_education Facebook: www.facebook.com/LEGOeducationNorthAmerica Instagram: www.instagram.com/legoeducation Pinterest: www.pinterest.com/legoeducation LEGO, the LEGO logo and DUPLO are trademarks and/or copyrights of the LEGO Group. ©2024 The LEGO Group. All rights reserved.

About

Blue's Blocs

This app extends the functionality of a physical robot, allowing students to program it using a block-based interface. It introduces concepts like decision-making, numerical functions, and variables for deeper learning in computer science.

Highlights
  • Block-based programming environment
  • Control physical Blue-Bot robot
  • Decision making logic
  • Numerical functions
  • Boolean operators
  • Introduction of variables
  • Bluetooth connectivity
Features
Read full description

Blue’s Blocs is a complimentary app to the TTS Blue-Bot® which allows for expansion of knowledge and teaching at greater depth in KS2 and KS3 Computer Science. Using a familiar block-based environment, students can programme their Blue-Bot® using extended functionality which includes decision making, numerical functions, Boolean operators, and the introduction of variables. Seamlessly connecting to the physical Blue-Bot® device via Bluetooth connection, students can kinaesthetically work with their Blue-Bot® to embed computational concepts.

Screenshots

Blue's Blocs4 screens

Verdict

The call

The clearest difference is review sentiment: Coding Express LEGO® Education at 50% against Blue's Blocs's 0%. Blue's Blocs's advantage is update cadence (every 3 months vs every 8 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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.

UpkeepUpdate frequency

Coding Express LEGO® Education ships an update every 8 months, Blue's Blocs every 3 months. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 6 level
Coding Express LEGO® Education versus Blue's Blocs: the parameters behind the verdict, then further details
ParameterCoding Express LEGO® EducationBlue's Blocs
PriceFreeFree
Rating4.2 (250 ratings) — better—
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings250 — better—
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.012.4 — better
Further details — not scored
Size855 MB17 MB
Age rating4+4+
DeveloperLEGO EducationTTS Group Limited

Customer experience

Coding Express LEGO® Education

All ratings250 ratings
Positive78.4%
Neutral9.6%
Negative12.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Blue's Blocs

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Coding Express LEGO® Education

No in-app purchases

None

Blue's Blocs

No in-app purchases

Questions

Is Coding Express LEGO® Education free?
Coding Express LEGO® Education is free to download, with no in-app purchases.
Is Blue's Blocs free?
Blue's Blocs is free to download, with no in-app purchases.
Do Coding Express LEGO® Education or Blue's Blocs have ads?
Neither Coding Express LEGO® Education nor Blue's Blocs shows ads.
Which is updated more often, Coding Express LEGO® Education or Blue's Blocs?
Coding Express LEGO® Education ships an update every 8 months, and Blue's Blocs every 3 months. Most recently, Coding Express LEGO® Education was updated on September 18, 2026 and Blue's Blocs on September 7, 2026.

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