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.
Customer Reviews:
$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 Go-Back: 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: Users report difficulty with offline navigation.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Routing options can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited customization for saved places.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be unclear.
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.
Customer Reviews: go back * * * * * by Achmed one - Version 1.2.9 What a great app Finally I found one that does what it says on the box. Im on pay as you go (No contract,) its uses the iphones gps to mark and return you to same spot. Never again will you have trouble finding where you left the car. It works! * * * * * by Sid Ontai - Version 1.4.5 works just as you’d expect, kind of like a divining rod. ========================================================================= Description: Daily Out activities, we often need to remember some of the temporary location in order to go back again after. Such as temporary parking location, visit unfamiliar parts of the entry point, hiking start point, stayed hotel when traveling, ....... Go-Back is able to fully satisfy this demand. Features: * Avoids getting lost; Go back to your car; Track Your own path (driving, hiking, skiing, sailing, traveling ...). * Records your expected return point accurately, Can also take photos and write notes to help you remember. And shown your traking trail and distance. * Based on the location services and magnetometer data, rotating and scaling the reference map to the real location and direction, plus with a striking tracking trail, you can easily return from the current location to your expected return point. * Able to run in the background mode. * No Internet connection can also work very well, better if you have an Internet connection. * Added: Set different colors in different road sections for the tracking trail. (default color: blue) * This application can run in the background. * Added another map interface. * Added the GPS signal indicator. * Compass function has been added to the map to help go back. * The multiple photos you taken also backed up to Camera Roll in the iPhone/iPad. * No Ads and No in-app purchases. Notes: 1. This application requires iOS 9.0 or later. 2. Continued use of GPS running in the background can dramatically decrease battery life.
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.