SpeakFun AI vs Dokkai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpeakFun AI
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Speakfun AI helps young learners build English skills naturally through fun, voice-based conversations. Learners can chat, listen, and interact with a kind AI teacher — just like talking to a friend! Each chat builds confidence, improves pronunciation, and expands everyday vocabulary through real-life topics such as animals, colors, food, family, and daily routines. Key Features • Voice chat practice with a friendly AI teacher • Natural conversation-based learning — not rote drills • Grammar correction & pronunciation feedback • Choose topics like “Animals,” “Colors,” or “Daily Activities” • Custom learning modes: Off / Soft / Strict • Safe, ad-free, and beautifully designed for beginners Subscription Options You can choose to subscribe to our auto-renewing plans: • Weekly: USD $3.99 • Weekly with 3-day free trial: USD $5.99 • Monthly: USD $9.99 After the free trial, the full amount will be charged to your iTunes Account. Subscription auto-renews unless canceled at least 24 hours before the end of the period. Your account will be charged for renewal within 24 hours before the period ends. Unused trial portions are forfeited after purchase. Offers apply only to the first billing term. Manage your subscription in your iTunes Account settings. Subscriptions are optional — you can continue using the basic features for free. We’d love your feedback to help improve the app! Terms of Use: https://doccocsb88.github.io/kid-speak-pages/terms-of-use.html Privacy Policy: https://doccocsb88.github.io/kid-speak-pages/privacy-policy.html Contact: mrhaihcmus@gmail.com
Dokkai
Instantly translate Japanese text from images and learn vocabulary, grammar, and furigana readings. Access a library of authentic Japanese content organized by difficulty level. Sync your progress and saved words across devices.
- Real-time text scanning and translation
- AI-powered natural language translations
- Furigana readings and vocabulary breakdowns
- Save words to flashcards
- Curated library of authentic Japanese content
- Content organized by JLPT levels (N5-N1)
- iCloud sync across devices
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Turn any Japanese text into your personal study material. Built by an indie developer with a passion for Japanese language and media — this is the app I wished I had when learning Japanese myself. SCAN ANYTHING Point your camera at books, manga, signs, menus, or subtitles. Dokkai instantly extracts the text using advanced OCR. NATURAL TRANSLATIONS AI-powered translations that sound natural, not robotic. Get the meaning, not just word-for-word conversion. LEARN AS YOU READ Every scan becomes a lesson: - Furigana readings above kanji - Vocabulary breakdowns with definitions - Grammar explanations - Save words to flashcards BRING YOUR OWN MATERIALS Study what YOU want to read — not textbook examples. Real Japanese content at your level. LIBRARY Read real Japanese — the way it was actually written. Dokkai's Library is a curated collection of authentic Japanese content designed for learners. Short stories, diary entries, and dialogues written by real people, covering everyday life, culture, and the kind of Japanese you'll actually encounter outside a textbook. Every piece in the Library comes fully equipped with the tools you need to understand it deeply: Hard mode — read the raw Japanese and analyze any word you don't know with a single tap Cheat mode — toggle furigana, read alongside the English translation, or challenge yourself with English-only and reveal the Japanese when you're ready Study mode — break down every sentence with furigana, grammar patterns, and color-coded vocabulary cards Content is organized by difficulty level (N5–N1) and format, so you can find something that matches exactly where you are right now. Series let you follow a story across multiple chapters, tracking your progress as you go. New content added regularly. iCLOUD SYNC Your scans, vocabulary, and progress sync across all your devices. SUBSCRIPTION Dokkai Premium unlocks all features with a 3-day free trial. Choose weekly, monthly, or yearly billing. FEEDBACK Have a bug or feature request? I'd love to hear from you: https://forms.gle/SZemfm9mm1SzMLKA6 Terms: https://mochipixel.io/dokkai/terms.html Privacy: https://mochipixel.io/dokkai/privacy.html
Screenshots
Verdict
The clearest difference is iOS requirement: SpeakFun AI at 15.0 against Dokkai's 17.6. On price, update cadence, ads and in-app purchases 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. SpeakFun AI sells 3 in-app purchases, starting at $3.99 per 7 days and Dokkai sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
SpeakFun AI ships an update every 2 weeks, Dokkai weekly. Both last shipped on October 25, 2026.
| Parameter | SpeakFun AI | Dokkai |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 39 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Vu Hai | MochiPixel LLC |
In-app purchases
SpeakFun AI
- Weekly Access – Learn Every Day$3.997 Days
- Weekly Plan + 3-Day Free Trial3 Days trial$5.997 Days
- Monthly Learning Access$9.991 Month
Dokkai
- Dokkai Pro$2.997 Days
- Dokkai Pro3 Days trial$6.991 Month
- Dokkai Pro3 Days trial$49.991 Year









