Rapid Language vs K
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Rapid Language
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Break the language barrier and achieve true fluency with Rapid Language โ the all-in-one free language learning app powered by AI. Whether you're starting from scratch or looking to polish your skills, Rapid Language offers a comprehensive suite of tools designed to make learning engaging, effective, and fun. Why choose Rapid Language? Talk to AI: Practice real-life conversations with our intelligent AI tutor. Gain confidence in speaking without the stress of a human classroom. Interactive Ebooks: Learn through context. Read stories and materials tailored to your level to naturally expand your vocabulary. Gamified Learning: Stay motivated with educational games that make grammar and vocabulary practice feel like play. Alphabet & Writing: Master new scripts. Learn to write letters and characters from diverse alphabets with step-by-step guidance. Speech Training: Perfect your accent with advanced speech recognition and pronunciation exercises. Built-in Translator: Never get stuck. Use the integrated translator to understand complex phrases instantly. Supported Languages (60+): Polish, English, Spanish, German, Italian, French, Russian, Thai, Chinese, Arabic, Dutch, Indonesian, Czech, Portuguese, Korean, Hindi, Norwegian, Japanese, Swedish, Danish, Turkish, Vietnamese, Malay, Filipino, Estonian, Bengali, Khmer, Urdu, Swahili, Hebrew, Greek, Hungarian, Romanian, Slovak, Bulgarian, Finnish, Icelandic, Latvian, Ukrainian, Serbian, Latin, Croatian, Karelian, Lithuanian, Slovenian, Albanian, Catalan, Georgian, Armenian, Persian, Kazakh, Uzbek, Amharic, Hausa, Yoruba, Zulu, Tamil, Telugu, Burmese, Sinhala, Mongolian Start your adventure today and speak like a native with Rapid Language!
K
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K-TutorCall helps you practice Korean every day with an AI tutor that chats, calls, corrects, and remembers what you need to review. Practice real Korean for daily life, K-pop, K-drama, Seoul cafes, travel, fanmeet moments, and natural conversations. Your tutor gives short missions, starts a voice call, checks your level, and turns your mistakes into the next quiz. What you can do: - Start at your real level with a quick Korean speaking check - Chat first, then move into a short voice call - Learn natural Korean expressions used by locals - Get feedback on grammar, tone, and phrasing - Review saved mistakes and repeat them as quizzes - Roleplay useful Korean moments like cafes, drama scenes, and fanmeet conversations K-TutorCall is built for learners who want to speak more naturally, not just memorize words. Open the app, meet your tutor, and practice Korean in small daily steps.
Screenshots
Verdict
The clearest difference is in-app purchases: Rapid Language at none against K's 4. K's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. K sells 4 one-off in-app purchases. Rapid Language asks for nothing beyond the download.
Rapid Language ships an update every 2 months, K weekly. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.
| Parameter | Rapid Language | K |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.5 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 197 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Bartomiej Zukiewicz | LiveMatch |
In-app purchases
Rapid Language
No in-app purchases
K
- 50 Coins$0.99
- 175 Coins$2.99
- 650 Coins$9.99
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- 2,250 Coins$29.99









