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.
CROATIA’S BEST is the ultimate downloadable travel guide to this amazingly photogenic country
$3.99 · 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 Croatia’s Best: Travel Guide: 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: Limited user engagement and retention due to lack of community features.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in finding relevant information quickly.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of offline access to destination information.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High service fees on bookings can deter 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.
CROATIA’S BEST is the ultimate downloadable travel guide to this amazingly photogenic country. Written by a pro-author it explores key REGIONS; suggests ITINERARIES; details dozens of SIGHTS and ACTIVITIES; and suggests great spots to EAT. All content (200+ points-of-interest/200+ pics) is original and independent; no recommendations are ads. ––– *** This app is ad- and subscription-free and all content works OFFLINE. The single, one-off purchase also includes free updates in the future. Published by TouchScreenTravels.com: independent digital travel guides. Our touch, your travels. *** ––– CROATIA’S BEST starts with essential TRIP-PLANNING information and an overview of key REGIONS and cities to provide perfect orientation. To make sure you get the most out of your time, a hand-crafted ITINERARIES section then offers five different itineraries. Some cover the whole country; others provide walking tours of all the key cities.. Among them are Croatia-in-10-days; Dubrovnik-in-a-day; and Split-in-a-day. The next section of the app, INTERESTS & ACTIVITIES, gives you the heads-up on various interests. So if you’re keen on exploring the country’s HISTORY, or planning to go HIKING in its NATIONAL PARKS, you might just dive straight into the app here. Other special-interest sections include ART, BEACHES, KIDS, OUTDOOR SPORTS, PARKS & GARDENS, WINE and even GAME OF THRONES sights as well as info on country’s many intriguing WWII MEMORIALS. Finally, the app details a handpicked selection of RESTAURANTS & CAFES, many located near key sights. There’s also a little on SHOPS & SHOPPING to make sure you round off your trip with the perfect souvenir. ––– APP FEATURE: TRIP ESSENTIALS Key before-you-go information: • Accommodation • Costs • Info, Media & Language • Seasons, Festivals & Events • Transport APP FEATURE: REGIONS The lowdown on all key parts of the country: • Central Croatia • Dalmatia • Istria • Kvarner Gulf • Slavonia • Zagreb APP FEATURE: ITINERARIES & TOURS Organise your time: • Tours • Croatia In-10-Days • Dubrovnik In-A-Day • Plitvice In-A-Day • Split In-A-Day • Zagreb In-A-Day APP FEATURE: INTERESTS & ACTIVITIES Backgrounders and practical advice on: • Art • Beaches • Game of Thrones • Hiking & National Parks • History • Kids & Families • Outdoor Sports • Parks & Gardens • Wine & Rakija • WWII Memorials (Spomeniks) APP FEATURE: EAT, DRINK, SHOP & MORE Insider tips and recommendations: • Cafés, Coffee & Bars • Restaurants • Shops & Shopping • Wine & Rakija ––– APP FEATURES: TECHNICAL • One-click website LINKS. • One-click PHONE CALLS (on phones). • NAVIGATE quickly using the app's global search; its internal hyperlinks, and its many images. • LOCATION info (using your device's GPS). • Detailed OFFLINE MAPS and the ability to ADD YOUR OWN markers. • Save and share FAVOURITES. • Easily CONTACT the author. ––– CREDITS • AUTHOR: Jonathan Bousfield has lived in Croatia for over a decade. He is the author of Rough Guides to Croatia, Austria, Bulgaria, the Baltic States and Poland; and has also written DK Eyewitness guides to Bulgaria, Slovenia, Poland, Kraków and Tallinn. He has written about travel, culture and history in Central & Eastern Europe for Time Out Croatia, The Calvert Journal, Jutarnji List, the Guardian, the Independent and others. • ICON: Nikola Radojcic@Unsplash ––– REVIEWS AND RATINGS Reviews and ratings are like gold dust to small developers like us. So, if you like the app, please go back into the app store, find it and leave a review or just a rating. It really helps us. Thanks.
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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.