N4 adds longer sentences and broader vocabulary. The right app keeps you moving without fiddly setup and supports short, frequent sessions.
Must‑have features
- SRS for words with audio and example sentences
- Grammar pathways with quick checks
- Kanji practice with stroke order and components
- Timed drills and progress tracking
- Offline mode
Daily routine on mobile
- Reviews → new vocab (20–30/day)
- Grammar: 2–3 points; write 3–4 original sentences
- Kanji: 10–15/day (recognition + a bit of handwriting)
- Listening: 15–20m; shadow 2–3 lines you fully understand
Weekend: one timed section + error analysis.
2‑week plan
- Week 1: 20–30 words/day; 10–15 kanji/day; 2–3 grammar points/day; 15m listening
- Week 2: Same + one full Reading/Listening section; log and fix top 5 errors
App evaluation checklist
- Phrase‑level SRS with audio
- Grammar pathways with quick checks and examples
- Kanji components + stroke order; JLPT N4 lists
- Timed drills and progress analytics
Metrics
- Review time cap (≤ 30m/day)
- Unknown words per 1,000 on reading snippets
- Listening first‑pass accuracy
How Kanji Koi helps at N4
- Component‑grouped kanji and stroke‑order animations stabilize recognition.
- Phrase‑friendly SRS supports collocations you’ll see in readings.
- Offline access keeps daily momentum.
Use Kanji Koi to attach short summaries to phrases you mine. When they resurface, you’ll remember both the words and the scene, boosting retention and reading speed.
An app that lets you see stroke order and related kanji side‑by‑side speeds recognition and reduces confusion between similar shapes.