Nihongo Quiz King vs KotoBird
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nihongo Quiz King
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Challenge your Japanese vocabulary in real-time battles! Face off against AI opponents and test your JLPT N4 knowledge. — 200 N4 vocabulary words — 10-second timed questions — Score & level system — Instant feedback on every answer A fun way to study Japanese for students and learners of all levels. Supports Traditional Chinese and English interfaces.
KotoBird
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Listen and answer! Kotoba Bird is a fun quiz app to learn Japanese words through listening. Hear a word and choose the correct answer from 3 options! [This version categories] ・Hiragana (A to N) ・Greetings [Full version "ことバード" includes all categories!] ・Hiragana・Greetings・Numbers・Food・Transport・Places・Katakana・Anime [Features] ・Learn words by ear ・No internet needed, fully offline ・Simple enough for anyone ・Perfect for learners of Japanese
Screenshots
Verdict
Nihongo Quiz King and KotoBird are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Nihongo Quiz King | KotoBird |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Wei Ting Ho | Yoichiro Mitsui |
In-app purchases
Nihongo Quiz King
No in-app purchases
KotoBird
No in-app purchases









