Report updated May 20, 2026
Numberblocks: Hide and Seek
For preschool children learning basic addition and number bonds, and parents seeking educational content based on the CBeebies series.
Numberblocks: Hide and Seek is a challenged education app that is a paid app. With a 3.4/5 rating from 746 reviews, it faces significant user friction. Users particularly appreciate the core educational content featuring number characters provides an engaging learning experience for young children, though frequent application crashes and black screen errors prevent gameplay progression for children on android devices remains a common concern.
What is Numberblocks: Hide and Seek?
Numberblocks: Hide and Seek is a paid educational app for preschool children, featuring character-led addition and number-bond games on iOS and Android.
Parents hire the app to provide screen-time that reinforces early math skills through familiar CBeebies characters, removing the need for ad-supported alternatives.
Current Momentum
v1.6 · 5mo ago
Maintenance- Fixed loading issue in latest release.
- Updated Unity engine for stability.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Drag-and-drop mechanic to combine two Numberblocks into a new sum, triggering an animation
Unlock new playthings in the park upon reaching the number Ten
How much does it cost?
- iOS: $2.99 one-time purchase
- Android: $3.49 one-time purchase
Paid-upfront model with no in-app purchases or ads, positioning the app as a premium educational tool.
Who Built It?
Blue-Zoo
Bringing BAFTA-nominated preschool television franchises to life through interactive multisensory learning apps for early childhood development.
Portfolio
13
Apps
What other apps does Blue-Zoo make?
Alphablocks: Letter Fun
Alphablocks, How to Write
Numberblocks Treasure Hunt
Numberblocks World
Meet the Alphablocks!
Alphablocks World
Explore the full Blue-Zoo report
Portfolio breakdown, audience, momentum, and every app published by Blue-Zoo.
What do users think recently?
Low confidence · 50 reviews analyzed · Based on 50 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate the core educational content featuring number characters provides an engaging learning experience for young children, but report frequent application crashes and black screen errors prevent gameplay progression for children on android devices.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Numberblocks: Hide and Seek?
Where is it available?
Localized markets (8)
How's The Education Market?
How does it evolve in the Education market?
The app holds a #2 Top Paid position in the Educational category across multiple markets, signaling strong brand-led acquisition. However, the negative sentiment score of 20 indicates that technical instability is actively eroding the value of this premium-priced position.
Rank progression
93 active rankings tracked — 30-day window
Which niche is Numberblocks: Hide and Seek in?
Explore the full Math Courses niche
Every app in this space — 91 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
This app competes directly for the K-6 educational math market by offering a comprehensive, standards-aligned curriculum that targets the same foundational numeracy skills as Numberblocks.
Contenders(4)
It competes for the attention of students looking to improve their arithmetic speed and mental math capabilities.
It competes for the same primary category of math education, specifically targeting students needing structured exercises.
This app targets the same foundational addition and number bond skills, positioning itself as a direct practice tool for early learners.
It competes for the same educational gaming budget by offering a structured, school-oriented math curriculum for students.
Same space(3)
It competes for the same user intent of improving arithmetic fluency, albeit for a more mature audience.
It competes for the same educational utility market by providing a specialized tool for geometry-based math problems.
While more advanced, it competes for the same 'Education' category wallet share among students requiring math tools.
Compare Numberblocks: Hide and Seek against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Numberblocks: Hide and Seek
Strengths to defend, gaps to attack
Core Strengths
- Character-led education [CBeebies IP] drives organic install velocity
- Gamified reward loops [Park Playthings] sustain session depth
Critical Frictions
- Technical instability [Android black-screen crashes] drives refund requests
- Limited content depth [10-number limit] restricts long-term retention
Growth Levers
- Content expansion [11-20 range] addresses top user request
- B2B partnerships [Preschools] offer untapped distribution
Market Threats
- AI-driven utility [Nerd AI] shifts market demand toward task-oriented learning
- Free-to-play competitors [PBS KIDS] drain the casual-entry funnel
What are the next best moves?
Audit Android startup sequence because black-screen crashes are the top complaint → reduce refund surge
Android sentiment is negative due to crashes blocking progression.
Trade-off: Pause the content expansion sprint — stability is the primary churn driver.
Ship 11-20 number range because users request content depth → increase lifetime value
Users explicitly request expansion beyond the ten-number limit.
Trade-off: Deprioritize new park playthings — content depth has higher retention impact.
A counter-intuitive read
The app's #2 chart rank is a liability, as maintenance-mode at the top of the category invites disruption from live-ops rivals who can easily out-pace the current update cadence.
Feature Gaps vs Competitors
- Curriculum-aligned learning path (available in Khan Academy Kids but absent here)
- Cross-franchise content library (available in PBS KIDS Games but absent here)
Key Takeaways
The app wins on brand-led acquisition but fails on technical reliability, so the PM must prioritize Android stability to prevent the high refund rate from permanently damaging the premium brand reputation.
Where Is It Heading?
Declining
The casual educational market is consolidating around high-frequency content updates, leaving static apps like Numberblocks exposed to churn. Unless the team resolves the Android stability issues and expands the numerical range, the app will lose its category lead to competitors with more robust live-ops.
Frequent black-screen crashes on Android devices block progression, which drives high refund requests and erodes the premium brand value.
Recent updates focused on engine stability, but the lack of new content expansion continues to frustrate parents seeking long-term value.