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.
the pro version of forbes' "must-have ipad apps for professionals", cube!
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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 Cube Time & Expenses Pro: 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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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: User interface can be cluttered and confusing.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited project management features.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No export options for reports.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent performance on older devices.
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.
the pro version of forbes' "must-have ipad apps for professionals", cube! time is money - so we built an app where you can start tracking your time and expenses in less than 15 seconds! ▪ report and track your time, expenses and mileage on the move ▪ keep an eye on the project's total income and gross profit ▪ great looking charts and pdf reports, print them using airprint ▪ reminders to fill in your time or when you have tasks due today ▪ ultimate peace of mind: with cloud sync enabled, all data is instantly synced online ▪ ipad and iphone universal app this version also includes: ▪ export data as a csv or excel spreadsheet - open it in apps like numbers, send it by email or to your desktop to open it in microsoft excel ▪ pdf reports - create great looking pdf reports right on your iphone or ipad, share them by email ▪ quick overview of project, task and client current running hours, expenses and total cost ▪ gorgeous charts - chart your time, expenses, and total costs by day, week, month, or quarter, grouped by project, client, or tags ▪ all data is searchable by pulling down the lists, and tags help you navigate your data and quickly identify items ▪ timer to track your time - the timer keeps running even if you exit cube or switch to another app ▪ configurable cost and tax rates - configure the hourly work cost for multiple periods of time, and define tax rates for your expenses ▪ record and share important events with your team, track mileage ▪ standalone mode - no internet connection required cloud sync and cubeanywhere subscriptions (optional) ▪ the cloud sync ($5.99 usd/month) and cubeanywhere ($8.99 usd/month) subscriptions makes it easy to backup your data wirelessly and safely to the google cloud and to synchronize it with multiple devices. ▪ no new passwords, usernames or registration required - cloud sync uses your existing google, google apps, microsoft, yahoo or aol account. ▪ the subscriptions auto-renews automatically each month and you can manage them directly from settings on your device. the subscriptions use your existing itunes account so you do not have to enter any credit card data. contact us at [email protected], or follow us on twitter at twitter.com/cubeanywhere. consult our privacy policy at cubeanywhere.com/privacy and our terms of use at cubeanywhere.com/tos.
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.