Comparison

MathZoo Junior vs Der Wortschatz

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

Head to head
About

MathZoo Junior

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MathZoo Junior - Where Kids Go Wild for Math! Is your child struggling with math? Or maybe they just need a reason to love it? MathZoo Junior turns everyday math practice into an exciting world adventure where kids explore Math, rescue animals, and level up their skills along the way. AN ADVENTURE ACROSS THREE CONTINENTS Each grade is a new expedition! Journey through Africa with zebras and giraffes, discover pandas and tigers across Asia, then explore Europe with rabbits, otters, and bears. Every level unlocked is a new animal friend earned. CURRICULUM-ALIGNED MATH FOR AGES 6–10 MathZoo Junior covers the full primary school math curriculum: β€’ Addition & Subtraction β€’ Multiplication & Division β€’ Fractions β€’ Word Problems Three difficulty levels per grade: Easy, Medium, and Hard, so every child is challenged at exactly the right pace. A LIVES SYSTEM THAT BUILDS RESILIENCE Children get second chances on wrong answers before losing a life just like their favourite games. This teaches kids to think carefully, stay calm under pressure, and keep trying. Lives restore automatically over time, encouraging healthy play habits. 6 LANGUAGES FULLY SUPPORTED Play in English, Dutch, German, Spanish, Bulgarian, or Russian switch anytime from the profile screen. Perfect for multilingual families and international classrooms. SAFE, AD-FREE & CHILD-FIRST β€’ Zero advertisements β€’ No links to external websites β€’ No social media β€’ No personal data collected from children β€’ Fully COPPA-compliant Parents stay in control. Children stay safe. FREE TO PLAY (EXPERT UPGRADE AVAILABLE) The free version gives full access to all 3 grades, 9 difficulty levels, and 90 math questions - no credit card required. Unlock Expert Mode for a one-time fee (no subscription, ever) and get: β€’ 450+ questions (5Γ— more content) β€’ access to Parent Analytics Dashboard β€’ Adaptive learning that adjusts to your child β€’ Full Global Leaderboard access β€’ Unlimited Practice Math and Kid's Portfolio Analysis One payment. Lifetime access. Worth every cent. BUILT FOR PARENTS TOO Track your child's progress, see where they're excelling, and understand where they need more practice all from the Parent Analytics Dashboard (Expert). Progress syncs across devices via the cloud, so learning continues wherever you are. Download MathZoo Junior today the math adventure your child will actually ask to play.

About

Der Wortschatz

Features
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Der Wortschatz: Master German Vocabulary Master German vocabulary, grammar and the tricky der, die, das without the headache! Whether you're a beginner or prepping for official exams (Goethe-Zertifikat, telc, Γ–SD, TestDaF*), Der Wortschatz makes learning fast, visual and highly effective. Practice Mode Ditch the Doom-Scrolling: Replace mindless scrolling with our Insta-like vocabulary feed. Visual & Audio Learning: Build memory with fun emoji associations and perfect your accent with native pronunciations. Smart Filtering: Browse by letter or topic, and bookmark weak words for review. Track Progress: Tick off mastered words so your feed stays focused on what you actually need to learn. Play Mode Interactive Mastery: Solidify your skills with engaging matching games. Match & Learn: Connect German words to their correct articles and English meanings. Context is Key: Read clear example sentences after every practice batch to understand real-world usage. Advanced Grammar: Go beyond the basics and master PrΓ€positionen and Nomen-Verb-Verbindungen. Key Features at a Glance: Structured vocabulary sets for A1, A2, B1 and B2 levels. Unlimited bookmarks for personalized study sessions. A clean, distraction-free interface. Download Der Wortschatz today and make German fluency a breeze! *Der Wortschatz is an independent learning app and is not affiliated with or endorsed by Goethe-Institut, telc gGmbh, Γ–SD, or TestDaF.

Screenshots

MathZoo Junior4 screens
Der Wortschatz4 screens

Verdict

The call

MathZoo Junior and Der Wortschatz are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. MathZoo Junior sells 1 one-off in-app purchase and Der Wortschatz sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
MathZoo Junior versus Der Wortschatz: the parameters behind the verdict, then further details
ParameterMathZoo JuniorDer Wortschatz
PriceFreeFree
Update frequencyWeeklyβ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad β€” better
Requires iOS18.117.6 β€” better
Further details β€” not scored
Size8 MB9 MB
Age rating4+4+
DeveloperFusion Atelier B.V.Erdener Uyan

In-app purchases

1 purchases

MathZoo Junior

One-time1
  • MathZoo Expert - Lifetime Access$3.99
1 purchases

Der Wortschatz

One-time1
  • Unlimited Bookmarks$1.99

Questions

Is MathZoo Junior free?
MathZoo Junior is free to download, with in-app purchases available.
Is Der Wortschatz free?
Der Wortschatz is free to download, with in-app purchases available.
Do MathZoo Junior or Der Wortschatz have ads?
Neither MathZoo Junior nor Der Wortschatz shows ads.

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