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69
BU Score
Solid

LEGO® DUPLO® World

4.2 ✍️ Editor
✍️ BU Analytics Review

LEGO® DUPLO® World is an iOS app from StoryToys Limited in the Education category, currently rated 4.2★ across 185,773 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 69Solid (established niche player). For a Education app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 10 of 10 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
High install base (185,773 ratings)METRIC
+$12,000
5 starREVIEW
+$1,800
cancelledREVIEW
−$1,500
Multilingual (24 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
too expensiveREVIEW
−$1,000
priceyREVIEW
−$800
Good rating (4.2★)METRIC
+$800
Established app (6y old)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
May 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 633 MB🔞 4+📱 iOS 13.0+🔖 v34.1.0🔄 updated 1w ago🌐 AR, CS, DA, NL, EN +19📂 Education💰 Free🚀 Launched 2019 (6y old)

📝 About this app

Welcome to LEGO® DUPLO® World, where learning and play go hand in hand so toddlers can create, imagine, and explore.

• Hundreds of activities and open-ended play experiences
• Themed play packs catering to every interest
• From vehicles to animals and more!
• Meets the developmental needs of kids aged 3 – 6
• Build and create with colorful 3D LEGO® DUPLO® bricks
• Multi-touch support and parent tips for shared play
• Multi award-winning app

When young children have fun and play, it creates the perfect conditions to learn and grow. We have designed this app to help young kids develop a balance of the IQ skills (cognitive and creative) and EQ skills (social and emotional) they need for the best start in life.

THEMES

Vehicles, Animals, Trains, Trucks, Cars, Police, Fire, Doctor, Space, Holidays, Home, School, Music, Buildings, Camping, Farm, Airplanes, Food, Submarines

AWARDS & ACCOLADES

• Kidscreen Best Learning App Winner 2021
• Licensing International Excellence Awards 2020 Winner
• KAPi Award for Best App 2020 Winner
• American Library Association’s Notable Children’s Digital Media List 2021
• Children’s Technology Review Editor’s Choice Winner 2020
• Mom's Choice® Gold Award 2020
• Teach Early Years Awards - Shortlisted for Creative Play 2020
• Notable Children’s Digital Media Winner 2021
• Digital Ehon Prize Winner 2020
• Irish Animation Awards - Nominated for Best Animation for Apps 2021
• Apple Editor’s Choice

FEATURES

• Safe and age-appropriate
• Designed responsibly to let your child enjoy screen time while developing healthy digital habits at a young age
• FTC Approved COPPA Safe Harbor Certification by Privo.
• Play pre-downloaded content offline without wifi or internet
• Regular updates with new content
• Apple Family Sharing for easy subscription sharing with other family members
• No third-party advertising
• No in-app purchases for subscribers


SUPPORT

For any questions or assistance, please reach out to us at support@storytoys.com.


ABOUT STORYTOYS

Our mission is to bring the world's most popular characters, worlds, and stories to life for children. We make apps for kids that engage them in well-rounded activities designed to help them learn, play, and grow. Parents can enjoy peace of mind knowing their kids are learning and having fun at the same time.

PRIVACY & TERMS

StoryToys takes children's privacy seriously and ensures that its apps comply with privacy laws, including the Child Online Privacy Protection Act (COPPA). If you would like to learn more about the information we collect and how we use it, please visit our privacy policy at https://storytoys.com/privacy.

Read our terms of use here: https://storytoys.com/terms/

SUBSCRIPTION & IN-APP PURCHASES

This app contains sample content that is free to play. However, LOTS MORE fun and entertaining games and activities are available. You can buy individual units of content via in-app purchases. Alternatively, if you subscribe to the app you can play with EVERYTHING. We regularly add new stuff, so subscribed users will enjoy ever-expanding play opportunities.

• Subscriptions are billed monthly or annually according to the rate of the selected subscription plan.
• You can change your mind at any point. Cancelling can be done through your iTunes settings.
• Your subscription will auto-renew at the cost of the chosen package unless you cancel it 24 hours before the end of the current subscription period. Subscription fees are charged to your iTunes account.
• After purchase, you can manage your subscription and turn off auto-renewal by going to your Account Settings.
• When you purchase a subscription, you forfeit any unused portion of a free trial period.
• You can use your subscription on any device registered with the same Apple ID that you subscribed from.

LEGO®, DUPLO®, the LEGO logo, and the DUPLO logo are trademarks and/or copyrights of the LEGO® Group. ©2026 The LEGO Group. All Rights Reserved.

🆕 What's New · v34.1.0

It's time for flowers to bloom! Build a beautiful Tulip in the latest free puzzle and hunt for lovely flowers on the Number Train to celebrate May Flowers.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
LEGO® DUPLO® World
Developer
StoryToys Limited
Bundle ID
com.storytoys.duploworld.free.ios
App Store URL
Open in App Store
Category
Education
Content rating
4+
Languages
AR, CS, DA, NL, EN, FI, FR, DE, EL, HU, ID, IT, JA, KO, NB, PL, PT, RO, RU, ZH, ES, SV, TR, VI

Company

Website
Not found
Tagline
Apps to help your child learn, play, and grow
Description
StoryToys creates apps to give parents the peace of mind that their kids are having fun with their favorite characters while also engaging in activities that help them learn and grow.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
$250.0K ($200.0K – $300.0K)AI medium
AI annual estimate
$3.0M/yr
ML model estimate / mo
$2.5K/mo
Top-grossing rank
Outside top 100 in US Education
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://storytoys.com/blog/
Press / News
Not found

Contacts & Socials

Socials
facebook · instagram · youtube
Email
Not found
Phone
Not found
Contact page
https://storytoys.com/support/
About page
https://storytoys.com/about/
AI Revenue EstimateCONFIDENCE: MEDIUM
The iOS app "LEGO® DUPLO® World" is estimated to generate between $200,000 and $300,000 in monthly revenue, with an average monthly estimate of $250,000 and an annual estimate of $3,000,000.
Sources mentioned: Sensor Tower, Adapty
Recent App Store Reviews49 latest · avg 3.84★ · 63.3% 5★ · 20.4% 1★
5★
31 (63%)
4★
2 (4%)
3★
3 (6%)
2★
3 (6%)
1★
10 (20%)
+0 ratings/week
Praise: love ×6 best ×3 great ×3 amazing ×1 awesome ×1Complaints: worst ×3 subscription ×1
Top positive
★★★★★ Ellen
Scott…
★★★★★ Plz make a F1 Game
Remember when you made a F1 Toy? I want you to make me a F1 game JUST FOR ME ok? U got it Mickey Mouse…
Top negative
★☆☆☆☆ Get the plus version
Get the plus version so you don’t have to spend money…
★☆☆☆☆ Buy an interactive set, then pay additional money for access to the controls.
Bought an interactive Duplo train set and now I have to pay an additional fee to control the train. Do better.…
📈Ratings growth185,773 ratings+30% lifetimeShow 3-year history estimate ▾May 2023Aug 2025May 2026
Tracked (52 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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