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.
Stop paying monthly subscriptions for travel tools! Currency++ AI is your all-in-one travel Swiss Army Knife, one purchase, yours for life
$1.99
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.
First kit free with a verified email
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 Currency++: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Stop paying monthly subscriptions for travel tools! Currency++ AI is your all-in-one travel Swiss Army Knife, one purchase, yours for life. Real-time FX rates, AI-powered local neighborhood safety reports, offline voice translation, and local weather—100% ad-free with zero data tracking. Stop juggling five different apps just to survive a trip abroad — a currency converter, a weather app, a translator, a safety guide. Currency++ AI folds all of it into one pocket-sized "Swiss Army knife" for travelers, built around real-time exchange rates and AI-powered local intelligence. No Subscriptions. No Ads. No Hidden Fees. One purchase. Lifetime access. AI-Powered Local Safety Reports Powered by Google Gemini, Currency++ reads your exact location and generates an instant AI safety analysis — a real-time read on neighborhood conditions, local risks, and essential traveler advice, anywhere in the world. Safety & Sights (NEW) The safety report now suggests up to 3 places to visit: one within walking distance, one a short taxi ride away, and the area's best-known landmark, each with travel time and distance from Apple Maps. Perfect for a cruise stop. Widgets (NEW) Nearby Safety on your Lock Screen and Home Screen: five colored dots show how safe your area is, and it updates by itself as you travel. Plus Safety & Sights, Currency, and Local & Home Time widgets. Know Everything About Where You Are Tap the map pin or search any city to instantly see: Your exact street address, city, and country Local emergency numbers & international dialing codes Traveler & Resident Safety Rankings for 150+ countries 24-hour weather forecasts — hourly temps, wind, humidity, sunrise/sunset Live UV Index (with peak time) & Air Quality (AQI), to protect your health Compass heading, altitude, speed, and exact DMS coordinates A floating home-timezone clock showing the distance and time difference from home Currency Conversion & Interactive Charts Real-time exchange rates for 77 currencies Swipe any currency to chart it: 1D, 5D, 1M, 3M, 6M, YTD, 1Y, 5Y, Max Keeps working offline on your last-synced rates Fast pull-to-refresh accuracy Travel Karma & Lunar Calendar Travel Karma: your daily travel alignment based on your Chinese zodiac and the lunar calendar — auspicious hours and day-officer guidance, at a glance Full Chinese lunar calendar, with every major holiday (Spring Festival, Mid-Autumn, Dragon Boat, and more) Moon phase tracker with Full Moon & Blue Moon alerts Talk to Anyone, Anywhere Translation Phrases, read aloud in a natural human voice (male or female) — cached on-device so it keeps working with zero signal Camera Text Scan: point your camera at a menu or sign and get instant translated text Prepare your go-to phrases before you land, and they're ready offline the moment you need them Built for the Modern Explorer Smart Travel Notes: save memories with automatic iCloud backup & restore Tip Calculator: split any bill, in any currency Health Integration: track your daily steps via Apple Health Postcard Mode: turn your own photos into postcards, saved to your library Daily motivational quotes to keep you moving Speaks Your Language Fully localized in English, Chinese (Traditional & Simplified), Spanish, French, Japanese, Italian, Korean, Portuguese, and Dutch. Why Travelers Choose Currency++ Most travel apps hand you an exchange rate and then bill you every month for it. Currency++ hands you the whole trip — safety, weather, money, translation, timing — in one app you buy once and keep forever. Travel smarter. Travel safer. Download Currency++ AI today.
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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 currency options compared to other apps.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No support for offline use.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inability to save conversion history.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No detailed exchange rate information.
Validate with people who use this workflow before building.
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.