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.
NEW FEATURE: Now includes GLOBAL DATABASE!
$6.99 · 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 Airports 4 Pilots Pro - Global: map the core Navigation 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 airport information compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor user interface and navigation
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inaccurate weather data
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High subscription cost without clear value
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.
NEW FEATURE: Now includes GLOBAL DATABASE! *ALSO OPTIMIZED FOR iPAD* Airports-4-Pilots is the most comprehensive database of public and private airports, heliports, gliderports, balloonports, STOLports, ultralights and seaplane bases, covering over 26,000 facilities in all 218 countries and regions of the world, from Afganistan to Zimbabwe. "Tremendous app: very useful and helpful, with lots of important information at the touch of a finger" - WRoberts, Chicago "Lots of info an[d] nice map integration. Good to have offline at some remote airport or location … AOPA should use th[is] instead …" - FRG Pilot "Well Done! Very nice App! Pulls up information on the airport in just a couple of seconds. Could really save the day in a real emergency…" - KD "Well done. Especially like the satellite view of the runway and surrounding area. The amount of data and information is impressive…" -CT "What an extremely imformative app… The developer did their homework on this one, put so much information in, that you can almost do your flight planning from this app. I have to say it is now one of my favorite avaition apps. I really believe all pilots should invest in this app, you won't go wrong." -MD "All the information you need for airports in a simple but extremely informative format especially when you need it the most…" -RP Having aircraft engine trouble? Running low on fuel? No more crash-landing in the parking lot! Airports-4-Pilots will dynamically provide you with a list of the closest landing facilities, public and private, sorted by distance to your present location, and will give also you directions to each located facility, as well as provide a map and comprehensive information on your chosen landing spot. Airports 4 Pilots provides extra great detail for all public, private and military facilities across the United States, Puerto Rico, Virgin Islands, and Pacific Territories. It includes detailed information on each facilities' runways, operations, contacts, services, supplies, frequencies, FSS and more. It also includes current FAA remarks for each facility, as well as satellite imagery and maps. Airports-4-Pilots sources current data from a range of sources including the FAA and covers the entire WORLD, from Afganistan to Zimbabwe! Extra detail coverage is included for ALL US regions areas - Northwest, Southwest, North Central, South Central, East Central, Northeast, Southeast, Alaska, Pacific / Hawaii. Airports-4-Pilots is fully self contained and does not require an internet connection to operate (with the exception of maps and satellite imagery). Updated data, when releasedA, will be made available via the AppStore. NOTE: Global Database is available by regional in-app purchases, with the entire USA and territories included free. Airports-4-Pilots was designed and developed by Ndili Technologies, Inc. Notes Regarding In-App Purchase of Online Storage Space: • Title of service: Airports 4 Pilots Data Subscription • Length of subscription: 1,3, 6 or 12 month options • Price of subscription: $4.99,$13.99,$24.99,$35.99/year. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase • No cancellation of the current subscription is allowed during active subscription period • Our Privacy Policy and Terms of Use can be found here: http://corp.ndili.com/privacy • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
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.