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.
Turn your device into a fax machine! Scan docs with a camera and send faxes worldwide.
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 FaxFree: Send Fax From iPhone: map the core Business workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Turn your device into a fax machine! Scan docs with a camera and send faxes worldwide. Import files from Photos or clouds, sign pages, edit docs, and fax them in a few taps. FaxFree lets you turn your iPhone or iPad into a powerful fax machine! Scan any document with an advanced integrated document scanner app and fax them anywhere in the world in just a few taps! Send and receive faxes seamlessly. You can scan and fax contracts, receipts, any kinds of documents, paper notes, schedules, timetables – anything you might need in your day to day life using this fax app. Your scans can be stored as multi-page files, which can be exported as PDF or JPEG later. You can create a document by selecting images from Photos or creating a scan using the built-in mobile doc scanner. Built-in advanced scanning algorithms allow image enhancement, shadow and noise removing, automatic perspective correction, and more. With all its features, this app is sure to become an indispensable fax tool. Junk your huge fax machine and start using FaxFree! Main features: – Advanced fax machine – Integrated document scanner app – Image processing with enhancement and color correction, noise removing, and more – Create new documents with images from Photos and fax them over – Scan documents using Camera – Send and receive faxes in 90+ countries – No fax machine or dedicated phone line needed UNLIMITED ACCESS TO ALL FEATURES – You can subscribe for unlimited access to all the app’s features. – Subscriptions are billed weekly, monthly, quarterly or annually at the rate selected, depending on the subscription plan. – Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. By using FaxFree, you are agreeing to our Privacy Policy and Terms of Use: http://bpmob.com/faxfree/privacy/ http://bpmob.com/faxfree/terms/
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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 often face issues with fax delivery failures.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited document formats for uploading.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchases can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: The app can be slow when sending large documents.
Validate with people who use this workflow before building.
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.