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.
MEXICO CITY’S BEST is an ideal travel guide to Mexico’s vibrant capital and North America’s largest city
$4.99 · 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 Mexico City’s Best: Trip 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 offline access to content
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Cluttered user interface
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent information across attractions
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalization options
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.
MEXICO CITY’S BEST is an ideal travel guide to Mexico’s vibrant capital and North America’s largest city. Written by a pro-author it explores key NEIGHBOURHOODS; suggests ITINERARIES; details dozens of SIGHTS and ACTIVITIES; and suggests great spots to EAT. All content (150+ points-of-interest/205+ pics) is original and independent; no recommendations are ads! ––– *** This app is ad-free 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. *** ––– MEXICO CITY’S BEST starts with essential TRIP-PLANNING information – with tips on ACCOMMODATION, FESTIVALS and TRANSPORT. A NEIGHBOURHOODS section then provides orientation to all the key districts of interest to visitors. Next, a hand-crafted ITINERARIES section suggests an easy-to-follow route for first-timers to get to grips with city highlights: MEXICO CITY IN-A-DAY. Or, if you have more specific interests, you might dive straight into INTERESTS & ACTIVITIES, the next section of the app. This provides the heads-up on various topics: travelling with KIDS; looking for ART; finding key locations in the city’s HISTORY; seeking out green spaces OUTDOORS and beyond the city fringes. Finally, the app distills the thousands of possible options into an incredibly useful selection section on RESTAURANTS, CAFES, BARS and various VENUES in the city. With all picks based on many years of personal experience. There’s also a little on SHOPS & SHOPPING with special emphasis on the key craft MARKETS. ––– APP FEATURE: TRIP ESSENTIALS Key before-you-go information, including: • Accommodation • Costs • Crime & Health • Info & Media • Seasons, Festivals & Events • Transport APP FEATURE: STATES & TERRITORIES Meet the key cities & regions: • Alameda Central & Around • Centro Histórico • Bosque de Chapultepec (Chapultepec Park) • Condesa & Roma • Coyoacán & San Ángel • Outside the City • Ciudad Universitaria & Tlalpan • Juárez & Zona Rosa • Other Neighbourhoods • Plaza de la República & Around • Polanco • Xochimilco APP FEATURE: ITINERARIES & TOURS Easy-to-follow instructions: • Tours to: Teotihuacán; Xochimilco Canals • Itinerary: Mexico City In-A-Day APP FEATURE: INTERESTS & ACTIVITIES Readable backgrounders and practical advice on: • Art & Architecture • History • Kids & Families • Outdoors APP FEATURE: LISTINGS Where best to eat, drink, shop and more: • Bars & Cafes • Mezcal & Pulque Bars • Music, Cinema & Dance • Restaurants & Street Eats • Shops & Shopping • Sports & Entertainment ––– APP FEATURES: TECHNICAL • One-click website LINKS. • One-click PHONE CALLS (on phones). • NAVIGATE quickly using the app's global search; internal hyperlinks, and its many images. • LOCATION info (using your device's GPS). • Detailed MAPS and the ability to ADD YOUR OWN markers. • Save and share FAVOURITES. • Easily CONTACT the author. ––– CREDITS • AUTHOR: Los Angeles native John Hecht has called Mexico City home for more than two decades. His travel writing focuses mostly on Mexico and has appeared in guidebooks, magazines and on various websites. • ICON: Laurentiu Morariu@unsplash ––– REVIEWS & RATINGS Reviews and ratings are like gold dust to small developers like us, 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.