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.
Assign individual contacts to a company and see both Company and People contacts together on the same screen
$0.99 · 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.
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Combine features and design from your favorite apps.
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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 Contacts by Company: map the core Productivity 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 organization features for contacts
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulties with syncing contacts across devices
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No built-in reminders for follow-ups
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited search functionality
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.
Assign individual contacts to a company and see both Company and People contacts together on the same screen Arrange those people contacts at a company in ANY order Text or Email ALL your contacts at a SPECIFIC COMPANY or in a SPECIFIC GROUP with just one click. . Take Groups to Another Level - Arrange Groups in ANY order Organize your Groups into categories with blue spacebars Create People groups OR Company Groups One example: A Builder might organize their contacts into Groups such as: Architects Contractors Designers Suppliers Within Groups is one called "Contractors" Clicking on Contractors would bring up the COMPANIES: Earth Movers Inc Concrete Foundations Forest Lumber Co. Best Roofing Ltd. Clicking on Forest Lumber Co would bring up that company's contact info, PLUS all your Specific people contacts at that company Of course you can also create People Groups for things like Family, Friends, Soccer Team, etc. Tired of Duplicates? Contacts by Company lets you quickly find, review and merge duplicates. Need to SHARE all the contacts at a SPECIFIC COMPANY or from a SPECIFIC GROUP? With Contacts by Company its done with just 1 click Protected Automatic Back Up Data Server is encrypted under 256-bit Advanced Encryption Standard Contacts by Company ... There is no other contact app like it. It is ... uniquely Helpful. Contacts by Company is also available for macOS Pro Version (subscription required) enables these Features: Sync Contacts with Desktop version Send Text & Email to all your contacts at a specific Company with 1 click. Send Group Text or Email with 1 click Share All contacts at a specific Company with 1 click Share ALL contacts within a specific Group with 1 click Subscription cost is $4.99 per YEAR (Less than 45 cents per month to help support these features) Subscription and Payment * Subscription is annual and renews automatically • 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 • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://www.contactsbycompany.com/privacy-policy.html Terms and Conditions: https://www.contactsbycompany.com/terms-and-conditions.html
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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.