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.
Grask is a task board for the little things you need to get done
$1.99
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.
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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.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Grask is a task board for the little things you need to get done. Add them fast, move them around into groups or columns, drag related ones together to give them a color, and check them off when you're done. Everything is visible all at once. No dates. No configs. No distractions. Every day you get a fresh "Done" pile. It grows as you complete items and resets at midnight. Pending tasks stay on the board. No accounts, servers, or syncing. No notifications. No streaks. No trackers. One-time purchase. Everything lives on your device. Grask is designed to reduce configurability to a bare minimum so there are no opportunities for users to turn the productivity tool into a way of procrastinating. Features — • Bulk-add: hit Return between task names to keep typing without leaving the keyboard. • Color by grouping: colors are assigned automatically as you group tasks. Moving a group of related tasks reassigns them to a shared color together. • Done pile: a compact stack at the top of the board shows what you finished. Tap to expand and see every completion. • Home-screen widgets: a full replica of your board gives you easy access and the ability to quickly mark items done. • Colorblind-safe, cool, and high-contrast alternate palettes. • Data export: Get a full JSON readout of your board if you want it. Grask does one small thing. It does not track your habits, compute streaks, or replace your calendar. If you want a grid-based shortlist for the near-term and nothing more, this is the app!
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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.