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.
Wagotabi is your daily companion for learning Japanese from scratch, at your own pace, and with maximum immersion
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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.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Wagotabi: Learn Japanese: map the core Education workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited offline functionality for courses and quizzes.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of personalized learning paths.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent progress tracking and feedback mechanisms.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription pricing may deter casual users.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Wagotabi is your daily companion for learning Japanese from scratch, at your own pace, and with maximum immersion. Learn to read, write, and understand Japanese in context, while retaining Hiragana, Katakana, and Kanji. Use your knowledge directly in context, by interacting with locals, and using Japanese in daily situations. Discover real Japanese cities and culture while going on a quest to become a Japanese Grand Master. Designed in close collaboration with +300 Japanese language experts, official Japanese prefecture tourist associations and thousands of early testers, Wagotabi provides you with an immersive approach to language learning following a graded reader approach. Words and grammar points are introduced according to the JLPT standard, beginning with N5. — ◆ START from zero: the game is beginner friendly: no initial Japanese knowledge needed. Concepts are introduced step by step and used right away in-game. Non-beginners will progress faster and equally enjoy the game. ◆ JOURNEY in Japan: Explore real cities, learn to introduce yourself, order food, ask your way to the locals and unravel hidden secrets! ◆ COLLECT new words, Kana, Kanji and get detailed explanations on grammar patterns and conjugation step-by-step. No more overwhelming Kana / Kanji / vocabulary lists. ◆ CHALLENGE Japanese Grand Masters in their castle to earn their respect! ◆ COMPETE with fellow learners on Kana and Kanji minigames and post your top scores to the leaderboard! ◆ PERSONALIZE your learning experience: benefit from our SRS tool pin-pointing your weaknesses, create your own avatar, set the game difficulty. This is your Japanese journey. ◆ ENJOY a fully ad-free experience without in-app purchase, the game can be entirely played offline! — (Non-exhaustive) list of features : Interactive dictionary (with illustrations, tags etc.), clear grammar explanation, interactive tooltips, fully voiced in Japanese, SRS powered smart tests, interactions with environment, quests, 2 minigames (Kana and Kanji), boss fights, Hiragana / Katakana / Kanji stroke order and calligraphy, Kanjidex, resembling Kanji, conjugation, cloud save, advanced progress tracking tools … — The game is in constant development, with regular updates adding new content. Currently available content: +420 carefully selected words and grammar points +200 Kanji +650 example sentences +2800 voiced Japanese dialogues +400 unique NPCs in game All words / grammar are used extensively and in context for better retention — What our early testers are saying about Wagotabi: "You guys are a blessing to bring this to the learning market!" "I have been using some of the App's examples for my lessons and my students are responding to them really well." "I don't have the budget to travel to Japan, however I'm totally immersed in this game, learning effectively and witnessing my progress daily." "Thanks to this app, my kids are now self-motivated to learn Japanese and reconnect with their roots. This concept is so Kawaii!“ "I'm preparing a trip to Japan and will definitely go check these spots I already visited in-game." — Privacy Policy: https://www.wagotabi.com/privacy-policy Terms of Service: https://www.wagotabi.com/terms-of-service
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.