App Overview

Learn Japanese - Phrasebook icon

Learn Japanese - Phrasebook

Webron Software LTD · Travel

Learn Japanese - Phrasebook is one of the best and easy to use Japanese language learning apps that will help you speak and write in Japanese effectively.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.7
1,918 ratings · Top 15%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included16 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Learn Japanese - Phrasebook: map the core Travel workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Offer a larger library of phrases and allow user submissions.

Assumption to check: Limited phrase options can frustrate users.

Validate with people who use this workflow before building.

Hypothesis 2

Provide clear explanations of what premium offers.

Assumption to check: In-app purchases may confuse users.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify navigation with better categorization and search filters.

Assumption to check: Navigation can feel cluttered with too many categories.

Validate with people who use this workflow before building.

Hypothesis 4

Ensure high-quality audio recordings for all phrases.

Assumption to check: Audio quality may vary between phrases.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Learn Japanese - Phrasebook is one of the best and easy to use Japanese language learning apps that will help you speak and write in Japanese effectively. You want to travel Japan for pleasure or work but you can't really speak a Japanese word. What do you do in such situations? The best way to learn Japanese is to get started right away. And that's where this Japanese learning app comes in. our Japanese phrasebook is a simple, easy-to-use app that lets you learn Japanese on the go. It has carefully translated lists of essential phrases to help you communicate with locals, find your way around town, and get a good idea of what it's like to live in Japan. If you've ever tried to learn new languages, you know how frustrating it can be to try to find the right resources—and then even more frustrating when they aren't exactly what you expected. That's why we created this Japanese language app, an easy-to-use app that will help you learn Japanese quickly and effectively. Japanese is a language spoken by millions of people worldwide. It is one of the most difficult languages to learn, but with this app you can learn Japanese in no time at all. Japanese language learning app contains over 900 essential words and phrases spoken in native voice, making it perfect for travelers or anyone who wants to learn Japanese. The Japanese language app will allow you to learn the new language quickly and easily. This Japanese text app has 200+ words and phrases for free, then you can decide whether or not you want to upgrade for more content. You will be able to learn Japanese vocabulary, sentences and more using this fabulous language app. If you're wondering how to learn Japanese? Try our Japanese learning app and learn to speak Japanese within a very short time. ** KEY FEATURES of Learn Japanese – Phrasebook: *Make your Japan travel effortless and fun using the Japanese learning app. Carefully translated list of essential phrases will allow you to learn, speak and write Japanese. *200+free common words and phrases in this Japanese learning app will help you learn the language swiftly. *Upgrade and unlock all 900+ phrases in 21 categories in this fantastic Japanese learning free app. Important words are highlighted with tips to make you understand easily. *Audio, recorded by native speakers will help you learn the new language flawlessly. You can also playback audios at slower speed in this easy Japanese app. *The favorites list lets you store frequently used Japanese phrases so you can use them anytime you like. *This Japanese language app lets you search words inside it. * Start to learn Japanese free of cost and offline with this amazing Japanese dictionary & phrases app. Don't think of how to speak Japanese?! Simply install this language learning free app and learn Japanese writing and speaking. Easily pronounce Japanese words by listening to audios that are created by native speakers and make your Japan travel effortless! The days of using English to Japanese translator are long gone. With new and advanced Japanese writing & learning app, you will be able to learn perfect Japanese in a few days. Learn the basics of Japanese language, use different phrases and write Japanese seamlessly. Whether you are looking for learn Japanese for kids apps or simple Japanese language learning apps for adults, trying the Japanese phrasebook app will be worth the effort. ** FREE Categories: * Greetings * General conversation * Numbers * Directions and places & more **PRO Categories: * Time and date * Accommodation * Shopping * Colors & more Install Learn Japanese – Phrasebook app for free on your iOS devices and learn the most amazing language easily from the Native speakers. Privacy Policy: https://www.webronsoftware.co.uk/mobile-apps/learn-language/privacy-policy Terms of Use: https://www.webronsoftware.co.uk/mobile-apps/learn-language/terms-of-use

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
Zustand
react-navigation
expo-av
BUILD KIT DIFFICULTY
Starter

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.