N4 vs NautilusTalk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
N4
Master JLPT N4 grammar with this app. It organizes sentence patterns with clear explanations in Chinese and provides practice questions. Easily mark difficult words for review to improve your exam performance.
- JLPT N4 grammar organization
- Detailed sentence pattern explanations
- Chinese language explanations
- Word marking for review
- Over 300 practice questions
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1. The grammatical explanations are aligned with the new Japanese Language Proficiency Test standards, including various sentence patterns, and fully comply with the new test guidelines. Contains over 300 grammar practice questions. 2. Allows learners to easily master the material in their spare time. 3. Compiles all sentence patterns required for the JLPT N4 reading section, organized in a simple and easy‑to‑understand way, with detailed explanations of each pattern. No professional grammar terminology beyond the learning scope is used. The app can be comfortably operated with one hand, making learning more efficient. 4. Includes detailed explanations. Through repeated practice with various question types, learners can achieve complete mastery. Whenever they encounter difficulties, they can always review the explanations to fully grasp the meaning and usage of each grammar pattern. 5. When encountering difficult or hard‑to‑memorize vocabulary, users can mark words with three different types of symbols. By tapping on any symbol‑marked word, they can repeatedly reinforce their practice. 6. In addition to providing Chinese translations for the example sentences within the grammar explanations, the app also allows users to check explanations anytime they encounter something they don't understand. This effectively helps learners master key grammar points and sentence structures, strengthening their overall grasp of grammar patterns. 7. Supports iPhone 4 and above, as well as all iPad models.
NautilusTalk
This app helps Japanese language learners overcome speaking hesitation by immersing them in real-life communication scenarios. It offers guided practice and challenges to build conversational fluency, moving beyond traditional textbook learning.
- Real-life Japanese communication scenarios
- Three learning modes: Preview, Practice, Challenge
- High-quality, adjustable audio playback
- Instant translations and expression hints
- Automatic conversation saving and bookmarking
- Distraction-free learning interface
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You’ve studied Japanese, but still hesitate to speak? You can read sentences, but real conversations feel impossible to follow? Nautilus Speaking Japanese doesn’t ask you to memorize more phrases. Instead, it places you inside real Japanese communication scenarios, helping you speak—step by step. Learn Japanese Through Scenarios, Not Textbooks In Nautilus, you’re not answering multiple-choice questions. You’re entering real-life Japanese scenarios, learning: • How to respond naturally in daily situations • How to keep a conversation going • Why native speakers choose certain expressions Each scenario is like a safe, repeatable real conversation you can practice anytime. Three Modes, One Clear Progression Every Japanese scenario supports three learning modes—guiding you from understanding to speaking fluently. Preview Mode Get familiar with the background, key expressions, and example sentences. Build intuition before speaking. Practice Mode Complete full conversations with guidance. Listen, repeat, and respond—sentence by sentence. Challenge Mode Speak more independently and see if you can handle real situations on your own. Hear Clearly. Speak Accurately. • High-quality Japanese audio, natural and close to everyday speech • Adjustable playback speed for different learning levels • Replay any sentence as many times as you need—until it clicks • Automatic text highlighting during playback to connect listening and reading Help Only When You Need It • Instantly view translations or expression hints • Understand real meaning, not stiff literal translations • No interruptions, no context switching—stay fully in the conversation Everything You Learn, Stays With You • Automatically save every Japanese conversation you practice • Bookmark difficult or useful scenarios for repetition • Replay past conversations and clearly see your progress Is This App for You? This app is designed for learners who: • Have studied Japanese but freeze when speaking • Understand textbooks but struggle with real Japanese • Want to actually use Japanese in daily life Nautilus Speaking Japanese is built for you. Focused Design, Built for Learning • Clean, distraction-free interface • Clear onboarding to get you speaking quickly • Features appear only when needed—nothing gets in the way Subscription Information Nautilus Speaking Japanese offers free trial content. Subscribe to unlock more advanced Japanese scenarios and practice sessions. Subscriptions auto-renew and can be canceled anytime in system settings. Stop just “studying” Japanese. Start using it. Begin with one scenario, speak a little at a time— and you’ll discover that Japanese is something you can speak. Upgrade to Premium • Unlock all advanced features • Continuous content updates • Ad-free experience Subscription Options ¥68 / month ¥198 / year This is an auto-renewable subscription. Unless canceled at least 24 hours before the end of the current period, it will automatically renew. Payment will be charged to your Apple ID account within 24 hours prior to the end of the current period. You can manage or cancel your subscription in Settings → Apple ID → Subscriptions on your iOS device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: NautilusTalk at Free against N4's $9.99. NautilusTalk also leads on iOS requirement (18.6 vs 26.0). N4's advantage is in-app purchases (none vs 2). On 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
NautilusTalk is free to download; N4 costs $9.99 up front. NautilusTalk sells 2 in-app purchases, starting at $9.99 per month. N4 asks for nothing beyond the download.
| Parameter | N4 | NautilusTalk |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 19 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Yamase & Touwa Japanese Insititute | 培强 郝 |
Customer experience
N4
NautilusTalk
In-app purchases
N4
No in-app purchases
NautilusTalk
- Monthly Plan$9.991 Month
- Yearly Plan$99.991 Year









