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.
Explore the most unique destinations on our planet with Fyno — an all-in-one adventure travel planner
Free · In-app purchases
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 Fyno: Adventure Trip Planner: 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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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: Difficulty in finding relevant trips quickly
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited communication options with hosts
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalized recommendations
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to trip details
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.
Explore the most unique destinations on our planet with Fyno — an all-in-one adventure travel planner. Get inspired, research, and plan your entire trip with curated content in a powerful, beautifully designed app. The list of currently supported destinations (more guides coming soon!): EUROPE: Iceland (Reykjavik, Ring Road), Italy (Dolomites, Tuscany, Florence, Rome, Cinque Terre), Switzerland, Norway (Lofoten Islands, Tromsø), Paris. ASIA: Japan (Tokyo, Kyoto, Osaka), Bali, Jordan (Amman, Petra). NORTH AMERICA: Alaska, Yellowstone, Colorado, Grand Circle (Grand Canyon, Zion, and 5 more national parks in Utah and Arizona). ALSO AMERICAS: Costa Rica, Patagonia (both Chilean and Argentinian sides), Peru (Lima, Machu Picchu, Ica, Iquitos), Mexico (Yucatan peninsula). AFRICA: Morocco, Namibia. OCEANIA: New Zealand. Here is how Fyno will make your next adventure planning a breeze: UNIQUE, INSPIRING DESTINATIONS Fyno is dedicated to the most unique locations around the globe — from stunning nature of Iceland to unique heritage of Japan, with dozens of equally incredible places in between and each one worthy of your bucket list. These are usually the ones that require lots of planning, but not anymore! READY ITINERARIES FROM EXPERTS Access perfectly balanced, day-by-day travel itinerary crafted by our travel experts who have researched and traveled to each of our destinations to make your life easier. VISUAL AND EASILY CUSTOMIZABLE Top sights, hidden gems, and recommended hotels are neatly organized in our trip planner by city or region, both on the map and on the list. What's left is to personalize trip itinerary to unique you by extending or reducing time in every region and adding, removing, or re-arranging activities based on your travel style. MUST-SEE SIGHTS AND HIDDEN GEMS We vet every activity mark them as must, great, or nice to visit based on multiple factors including expert's personal experience. Each activity features tips from our experts like recommended time to spend, logistics considerations, time of day to visit, and notable restrictions to keep in mind. WHERE TO STAY IN EVERY REGION Our experts check thousands of hotels in every destination to bring you the Top 1% stays. From charming hostels to boutique hotels to luxury resorts, we analyze it all through reviews, location, noise levels, and value for money, all to make sure you have a memorable stay within your budget. FULL LOGISTICS SUPPORT Be confident in getting around in each destination with Fyno's cutting-edge Logistics Engine — optimized travel itinerary route with driving times between activities for regular road trips, and support for region-specific transfers based on expert insights like a train to Machu Picchu or a ferry between New Zealand's islands. HOTEL PRICING AND AVAILABILITY Quickly check pricing and availability on Expedia, Booking.com, Airbnb, or the hotel's official website for your specific dates, right from the app! While our experts stayed at many of them, we are not affiliated with any single one, just researching the best options so you don't have to. ALL-IN-ONE TRIP ORGANIZER You will never mix up the dates again or forget to book anything for your itinerary with Fyno's Trip Organizer — just select your start date and it will auto-magically augment your Expedia, Booking, Viator, and GetYourGuide links with the right dates according to your plan. It will also remind you about activities that need to be booked in advance. Fyno PRO gives you full access to the app features and expert content, including a free consultation about your upcoming trip. If you choose to upgrade to Pro, payment will be charged to your Apple account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the App Store after purchase. Privacy Policy: https://fyno.com/privacy-policy/ Terms of Service: https://fyno.com/terms/
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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.