# Katsuyou - Japanese Verb Drill — Conjugate 1600+ Japanese Verbs

> Japanese verb conjugation practice app for JLPT levels N5-N1. (iPhone/iPad app by Junjin Chen.)

- Source: https://appshunter.io/ios/app/katsuyou-japanese-verb-drill/id6746425690 (this page in markdown: same URL + `.md`)
- Developer: [Junjin Chen](https://appshunter.io/developer/1816838218)
- Category: Education, Reference
- Price: Free
- Rating: 4.80/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.6 · 76 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-07-18
- Data updated: 2026-08-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/katsuyou-japanese-verb-drill/id6746425690/reviews.md

## What is Katsuyou?

Katsuyou helps you practice and reinforce Japanese verb forms across all JLPT levels (N5–N1). With over 1600 verbs, customizable filters, and instant feedback, it's built for learners who want clean, practical drills without distractions.

Key Features:
• 1600+ verbs from JLPT N5 to N1
• Practice common forms: te-form, ta-form, nai-form, and more
• Customize practice by prompt form, answer form, and word level
• Instant feedback with correct answers and form explanations
• Mistake history and one-tap retest
• Dark Mode support

Great for both beginners and JLPT test takers. No login, no ads—just verbs and practice.

## Key features

- 1600+ Japanese verbs
- JLPT N5-N1 coverage
- Customizable practice filters
- Instant feedback and explanations
- Mistake history and retest
- Dark Mode support

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/katsuyou-japanese-verb-drill/id6746425690/reviews.md

### 5/5 — 很棒的app

*2026-06-05*

超赞的，希望后续添加形容词的内容

## Frequently asked questions about Katsuyou

### What Japanese verb forms can I practice with Katsuyou?

Katsuyou allows you to practice common verb forms such as the te-form, ta-form, and nai-form, among others. The app focuses on reinforcing these essential conjugations for effective learning.

### How many verbs are included in Katsuyou?

Katsuyou includes over 1600 Japanese verbs, covering all JLPT levels from N5 to N1. This extensive vocabulary ensures comprehensive practice for learners at various stages.

### Can I customize my practice sessions in Katsuyou?

Yes, you can customize your practice sessions by selecting the prompt form, answer form, and word level. This allows for tailored drills that focus on specific areas you want to improve.

### Does Katsuyou offer feedback on incorrect answers?

Katsuyou provides instant feedback on your answers, including the correct conjugations and explanations for each form. This immediate reinforcement helps you learn from mistakes quickly.

### Is Katsuyou suitable for beginners?

Katsuyou is great for both beginners and JLPT test takers. Its clean, distraction-free interface and focused drills make it an effective tool for starting your Japanese verb conjugation journey.

### Does Katsuyou have ads?

No, Katsuyou is ad-free. The app is designed for focused practice without any advertisements to interrupt your learning experience.

### What is the update frequency for Katsuyou?

Katsuyou was last updated on May 29, 2026, with version 1.0.6. While specific update frequency isn't detailed, the recent update suggests ongoing support and potential improvements.

### What devices does Katsuyou support?

Katsuyou currently supports iPhone devices. Future compatibility with other platforms may be considered based on user demand and development resources.

## Version history (last 5 releases)

### 1.0.9 — 2026-08-06

- Improved default answers for Godan causative-passive forms
- Both full and commonly contracted forms are now accepted
- Updated related grammar explanations and verb data
- Fixed minor display issues

### 1.0.8 — 2026-07-14

- Added vocabulary progress tracking for each level
- Improved the vocabulary selection system for practice sessions
- Corrected errors in kana, romaji, and conjugation for some verbs.

### 1.0.7 — 2026-06-24

Fixed known issues

### 1.0.6 — 2026-05-29

Fixed known issues

### 1.0.5 — 2026-05-13

1. Fixed multiple verb classification and conjugation issues
2. Usability Improvements

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## More apps by Junjin Chen

- [Kakito - Language Journal](https://appshunter.io/ios/app/kakito-language-journal/id6757501835)

All apps by Junjin Chen: https://appshunter.io/developer/1816838218

## Related topics

[japanese conjugation](https://appshunter.io/ios/topics/japanese-conjugation)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-07.*