Word Rush vs Kaltterra
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Word Rush
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The most fun free language learning game! Learn English, German, French, Spanish, Italian, Portuguese, and Dutch by popping word bubbles. 2,400 words, A1-C2 level system - learn a new language in just 10 minutes a day! Why Are 500 Thousand+ People Playing Word Rush? Completely Free - All levels unlocked, no hidden fees, no subscription Addictive Game - Pop word bubbles, learn, have fun! 2,400 Words - Progressive difficulty system from A1 to C2 8 Languages - Turkish, English, German, French, Spanish, Italian, Portuguese, Dutch 5 Lives System - Every mistake costs a life Live Leaderboard - Compete with friends, be at the top Level Up - Each level harder and faster How to Play: Words in target language fall from above Type the word correctly on keyboard quickly Bubble pops, meaning in native language appears Earn points as you type correctly, level up Lose a life if you type wrong or time runs out 2,400 Word Pool A1: 400+ basic words (hello, numbers, colors) A2: 600+ daily words (shopping, restaurant) B1: 600+ intermediate (work, education, technology) B2: 400+ advanced (academic, professional) C1: 300+ expert (negotiation, reports) C2: 200+ native speaker (idioms, expressions) Score and Combo System Each correct word: +10 points 5 words in a row: Combo! +50 bonus 10 words in a row: Mega Combo! +100 bonus Flawless level: Perfect! +200 bonus Power-Up System Extra time: +10 seconds (50 coins) Hint: First 2 letters (30 coins) Freeze word: 5 seconds (40 coins) Who Is It For? Game Lovers: Those who want to learn while having fun Fast Learners: Those who want to learn many words quickly Exam Prep: YDS, IELTS, TOEFL students Business Professionals: Those learning Business English Available Languages: English | German | French | Spanish | Italian | Portuguese | Dutch | Turkish Why Word Rush Instead of Duolingo? Fully Game-Focused - Not boring lessons, fun game Addictive - Can't stop saying "one more game" Competition - Race with friends Free - No locked levels User Reviews: "Can't stop playing! Learned 500 words" - John M. "Most fun language learning method" - Sarah K. 10 Minutes a Day: 3 minutes: Level 1-5 warm-up 4 minutes: Play your current level 3 minutes: Challenging level Download Now! Installation in 30 seconds - Start first game now - Learn 800+ words in 1 month
Kaltterra
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Kaltterra: The Aesthetic, Intelligent, and Goal-Driven Language Learning Ecosystem! Language learning is no longer about rote memorization or dry grammar drills. Kaltterra transforms your language journey through dynamic curriculums tailored to your real-life goals, AI-powered life scenarios, an advanced Pronunciation Lab, and an inspiring, premium interface. 1. 5 PERSONALIZED LEARNING GOALS No more one-size-fits-all study. Choose your personal objective, and Kaltterra tailors your vocabulary, flashcards, and labs: - Family Reunion: A1 official exam preparation, consulate interview simulator, civil registry documents, and practical bureaucracy terms. - Work Visa and Career: Specialized terminology across 6 industries (Healthcare, Engineering, IT, Gastronomi), diploma recognition guides, and job interview practice. - Student and Academic Visa: Academic language test prep (TestDaF, IELTS), blocked accounts, campus bureaucracy, and lecture hall vocabulary. - Full Library: Complete access from A1 to C2, comprehensive grammar guides, and all specialized language labs. - Zero Database (Custom Slate): Build your own private vocabulary bank from scratch with our powerful card tools. 2. FOCUSED REAL-LIFE SCENARIOS Skip the clutter and master context. Major topics and visa themes are organized into compact 25-35 word scenario packs: - Ordering at a Cafe, Hotel Check-In, Consulate Visa Interview, Job Interview Simulator, Airport Procedures, and more. - Complete a focused 25-word micro-session or master the entire topic with a single tap. 3. WORLD LANGUAGES, TURKIC LANGUAGES AND 6 ANCIENT LANGUAGES - Global Modern Languages: German, English, Spanish, French, Russian, Italian, Arabic, Chinese, Japanese, Korean. - Turkic Language Family: Turkish, Azerbaijani, Kazakh, Kyrgyz, Uzbek, Turkmen. - Ancient and Historical Languages: Old Turkic (Orkhon), Latin, Hittite, Sumerian, Egyptian Hieroglyphs, and Ottoman Turkish. 4. SCIENTIFIC AND INTERACTIVE LEARNING LABS - Pronunciation Lab: Do not just listen! Record your voice, get smart pronunciation analysis, and speak with native confidence. - Smart SRS (Spaced Repetition System): Scientifically proven memory curve schedules cards right before you forget them for permanent retention. - Interactive Roadmap (Units 1-60): Structured step-by-step progress with listening, fill-in-the-blanks, matching pairs, and cultural immersion. - AI Real-Time Chat and Tutor: Chat freely with an AI language partner and receive real-time grammar feedback. - Satzbau (Sentence Building) and Synonyms: Master word order and double your active vocabulary. - Media Reader and News: Read real-world articles with instant dictionary lookups. 5. LUXURY DESIGN AND 100% OFFLINE CAPABILITY - Crafted with modern glassmorphism, eye-comfort dark mode, and smooth micro-animations. - True offline-first architecture: practice anytime on subways, flights, or remote locations without an internet connection. Define your goal, break the barriers, and speak the world in its own language with Kaltterra!
Screenshots
Verdict
Word Rush and Kaltterra 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Word Rush | Kaltterra |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.1 | 15.1 |
| Further details β not scored | ||
| Size | 34 MB | 596 MB |
| Age rating | 4+ | 4+ |
| Developer | YUSUF INALKAC | Armagan ERSOY |
In-app purchases
Word Rush
No in-app purchases
Kaltterra
No in-app purchases









