Polyglob vs KotobaBloom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Polyglob
Engage in daily language practice through bite-sized, real-life lessons. Master new vocabulary and grammar with interactive quizzes, flashcards, and cultural insights. Build a consistent learning habit and track your progress with engaging activities.
- Short, real-life story and dialogue lessons
- Audio for listening comprehension
- Typed quizzes with feedback
- Flashcards from lessons
- Grammar and culture cheatsheets
- Daily streak tracking
- Trophy World rewards
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Polyglob is a language course built around tiny real-life lessons and active review. Start a free course, then come back to short story/dialogue lessons with audio, typed quizzes, flashcards, quick-reference cheatsheets, culture articles, custom creations, and weekly recaps. Each lesson focuses on one everyday situation, like ordering, greetings, directions, travel, workplace small talk, or polite requests. Read or listen, check translations and pronunciation notes, then practice what you learned with cards, quizzes, and quick games. What you can do in Polyglob: - Learn with short beginner-friendly story and dialogue lessons - Listen to lesson audio and review useful phrases - Take typed quizzes with translations nearby - See quiz feedback on what went well and what to improve - Study flashcards created from your lessons - Open a course cheatsheet for grammar, phrases, and cultural tips - Choose Easy, Medium, or Hard for custom lessons - Create custom articles - Build a daily streak through lessons, articles, flashcards, quizzes, and games - Earn blue stars from quizzes and spend them on language treasures in Trophy World Polyglob supports courses including Spanish, French, Japanese, Korean, Chinese, Thai, Italian, and German. Start free, then subscribe for more weekly lessons, culture articles, and the ability to tune their difficulty. Terms of Use: https://polyglob.com/terms
KotobaBloom
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Speak Japanese that belongs in real life. Kotoba Bloom is an AI Japanese learning app for people who want to live, work, travel, and connect in Japan, and for everyone who loves Japanese culture. TALK WITH AI Practice guided chat, sentence recording, native-style listening, and low-latency live AI conversation. Choose cafes, stations, friends, interviews, meetings, or culture. The coach adapts speed, politeness, and the next question to your level. SOUND NATURAL, NOT TEXTBOOK Get a corrected sentence, a more natural version, grammar guidance, pronunciation targets, culture and register notes, a score, and one clear next drill. Learn when a casual anime-like expression is fun, when it may sound rude, and what Japanese people would usually say instead. BUILD YOUR OWN PATH Choose Work in Japan, Love Japan, Travel Japan, JLPT, Daily Conversation, or a mixed goal. AI Growth Memory uses completed lessons, mistakes, speaking practice, and missions to recommend the next useful step. CAREER IN JAPAN Train self-introductions, interviews, strengths, motivation, keigo, email, meetings, reporting, workplace small talk, and Japanese business culture. Sensei Pro adds deeper professional role-play and feedback. JAPAN CULTURE WORLD Learn through original missions inspired by travel, food, festivals, shrines, hot springs, convenience stores, games, manga, anime, friendship, and everyday life without copying copyrighted dialogue. CORE SKILLS • Essential high-frequency Japanese words • Listening and shadowing with AI-generated Japanese voice • Microphone speech recognition and sentence-match feedback • Kana and kanji writing practice • Personal weekly plans, streaks, rewards, and Bridge Missions • Progress evidence and Japan Bridge Certificate • Eight interface languages PLANS Free Sakura offers the foundations with limited AI use and light sponsor breaks after learning. Kotoba Plus expands AI conversation, listening, culture, and daily practice. Sensei Pro adds intensive career, interview, business, JLPT, and expert coaching. Paid plans are ad-free. Kotoba Bloom is built to help every learner communicate with confidence, understand the culture behind the words, and create more human connection between Japan and the world. Terms: https://kotobabloom.com/terms.html Privacy: https://kotobabloom.com/privacy.html
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Verdict
The clearest difference is in-app purchases: KotobaBloom at none against Polyglob's 10. Polyglob's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Polyglob sells 10 in-app purchases, starting at $10.00 per month. KotobaBloom asks for nothing beyond the download.
| Parameter | Polyglob | KotobaBloom |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Mikan Labs Inc. | RIKUYA SATO |
In-app purchases
Polyglob
- Learn Japanese Monthly7 Days trial$10.001 Month
- Learn Chinese Monthly7 Days trial$10.001 Month
- Learn Italian Monthly7 Days trial$10.001 Month
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- Learn Korean Monthly7 Days trial$10.001 Month
- Learn Spanish Monthly7 Days trial$10.001 Month
- Learn French Monthly7 Days trial$10.001 Month
- Learn German Monthly7 Days trial$10.001 Month
- Polyglob Plus Monthly$12.991 Month
- Polyglob Plus Yearly$119.991 Year
- 3 Creation Credits$2.99
KotobaBloom
No in-app purchases









