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.
Tidecast helps you answer one simple question: is the tide right for our plan?
$3.99 · 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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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 Tidecast: map the core Weather 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 locations available for tide predictions.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No visual representation of tides over time.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent notifications for tide changes.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Single payment model without subscription options.
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.
Tidecast helps you answer one simple question: is the tide right for our plan? Maybe you are taking kids to tide pools, meeting a friend for a beach walk, setting up a picnic, taking coastal photos, or waiting for a path to open at a lower water level. Tidecast puts the next tide change, current height, and the water level you care about where you can see them fast. At a glance: - A bright, easy-to-see tide chart shows the next few days, with sunrise, sunset, night, the moon, and a marker for right now. - When weather is in the forecast, clouds, rain, or snow can appear right on the chart, so the tide and sky tell one story. - Home Screen and Lock Screen widgets keep tide height, next high or low, and a tiny chart handy without opening the app. - Custom tide level widgets can watch for the water height you care about. - Local alerts can remind you before a good tidepooling window or before the tide falls to your chosen level. Plan around the water: - Let Tidecast find a nearby NOAA tide prediction location, choose one on the map, or save favorites. - Turn on Tidepooling Mode to highlight windows that match your low-tide goal, daylight choices, and how long you want to visit. - Add your own low-tide line for beach walks, sandbars, launches, photo spots, or any place where "low enough" matters. - Check wind, waves, water temperature, and marine and coastal alerts before you head out. Features: - Easy to skim chart with: rising or falling tide, next high or low, current height, and tide windows. - Lockscreen and Springboard widgets make quick checks feel like peeking out the window. - Tidecast can keep recent tide and condition info on hand when service gets spotty. - Light and Dark looks follow your phone, with seasonal colors that feel a little different through the year. Tidecast uses trusted public tide and weather data, including NOAA tide predictions and National Weather Service alerts and forecasts, and nearby aviation METAR reports. Tidecast is for planning, the ocean can change quickly. Always check local signs, official forecasts, closures, and the water in front of you.
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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.