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.
Accurately display your GPS speed, temperature, time, distance, heading, course, altitude and barometric pressure
$2.99 · 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.
First kit free with a verified email
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 Terrene Dash: map the core Navigation 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 offline functionality
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inaccurate traffic data
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No voice navigation in free version
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Cluttered UI
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.
Accurately display your GPS speed, temperature, time, distance, heading, course, altitude and barometric pressure. Easy to read dials, while keeping your location data private. Terrene Dash is a dashboard app, which clearly and accurately displays your current speed, temperature, direction, altitude, time, and barometric pressure at a glance. With 7 configurable dashboard pages, you can choose which dial you want on each page, and swipe left or right to quickly switch between dashboards. Terrene Dash has light and dark modes. Its dark mode, with its black background and muted markings, helps your eyes stay adjusted to the dark, while light mode has good contrast in bright daytime conditions. My goal is for Terrene Dash to be a handy toolbox of time, motion, environment and navigation related dials, using all the capabilities of modern iPhone devices, while ensuring your privacy is kept safe. Dashboard dials → Altimeter ▫ Feet ▫ Meters → Tap the dial to toggle between whole and decimal numbers → Barometer ▫ Hectopascals (hPa) ▫ Kilopascals (kPa) ▫ Inches of mercury (in Hg) ▫ Millimeters of mercury (mm Hg) ▫ Pounds per square inch (psi) → Tap the dial to toggle between whole and decimal numbers. In Hg, kPa, and psi will toggle between 1 and 2 decimal numbers → Compass ▫ Magnetic north ▫ True north → Course Over Ground (COG) ▫ Your actual current direction relative to the surface of the earth. → Clock ▫ 12 or 24-Hour ▫ In current timezone → Speedometer ▫ Kilometers per hour (km/h) ▫ Miles per hour (mph) ▫ Knots (kn) ▫ Meters per second (m/s) → Speedometer stats ▫ Four trip meters and top speed ▫ Tap to cycle between each ▫ Press and hold to rename, reorder, configure when each are reset or manually reset ▫ Configure them to automatically reset after midnight each day, week, month, year or never → Tap the dial to toggle between whole and decimal numbers → Temperature ▫ Powered by Apple WeatherKit ▫ A colour-coded forecast arc shows today's high and low ▫ The dial range adapts automatically based on your local 3-day forecast ▫ Tap the secondary display to cycle through feels like, today's forecast, humidity, and dew point What's next? More dials and improvements are on the way. If you've a great idea for a dial or a feature you'd love to see in Terrene Dash, please email me (Simon) at [email protected].
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.