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.
Time Tracker is a time accounting tool, designed for personal use
$1.99 · 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 Time Tracker: 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 features for task tracking compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor user ratings due to bugs and crashes.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of a modern user interface.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No cloud sync for data backup.
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.
Time Tracker is a time accounting tool, designed for personal use. This app does not connect to any web service, accounts or subscriptions to operate. Just start it up, set up projects, and start tracking time against them. • Tap On / Tap Off Simple Start / Stop action will allow you account for your time to the minute. • Projects and Tasks Got a client who needs billable hours and non-billable hours? Want to track your time spent on proposals separately from the project? or maybe just track how long you weeding on your gardening project? Projects and Tasks allow you to account for the various activities within a project. • Tickets Need to package up your work into smaller parts? or, perhaps you use some other task management system? Tickets allow you to set up a project / task combination, and attach a work description to them. Ticket Identifiers can match your other systems for easy data transfer, if that's what you're in to. You can even just "tick off" a task when its done, and move on to the next. • Quotas Promised that you would put a certain amount of time into something, but never seem to find the time to do it? Need to ensure that you meet a number of billable hours in your week? Quotas can help you here. Quotas are shown on the main dashboard as a progress bar that will help you achieve your goals, or in some cases not go over them. Simply set up a quota with a project and task combination, then you can start and stop time against it to fill the progress bar. Pre-plan your time, using quotas to specify weekly, monthly, or annual goals • Exportable Reports Did we mention that this was a standalone app, for personal use only? Still need to fill in your timesheet somewhere else? All reports have export options that will allow you to send data using common standards such as CSV or PDF. This allows you to communicate what you need want with other apps and web services accurately and quickly. Filtering your reports will also filter the exported data, so if need to send different reports to different places, just filter the information and send it off.
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.