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.
A handy tool to keep track of all of the vital information related to your aquarium together with an in-depth library of species to ensure you never get caught short for an impulse buy.
$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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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 Pocket Marine: map the core Utilities 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 compared to full-fledged navigation systems
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Occasional GPS inaccuracies
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No offline access to data
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point for basic features
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.
A handy tool to keep track of all of the vital information related to your aquarium together with an in-depth library of species to ensure you never get caught short for an impulse buy. Main features - • An encyclopaedia of over 800 species of marine fish, invertebrates and coral • Testing journal to keep track of over 30 of the most vital parameters • Trends to plot graphs and visualise how stable each parameter is over time • Inhabitants diary to keep track of your latest additions including information such as how long you've had it, was it feeding in store beforehand, where was it purchased from and much more. • Dosing log top keep track of any chemical additions to your tanks to help keep up to date on doses and keep stability where it should be • Reminders with device notifications so you never miss an important event • Water change journal to keep a detailed log such as when, how much, salinity etc. of your water changes performed • Maintenance log to remind you of your last maintenance actions completed per tank • Compatibility of species - A simple, brief run down of what species are typically safe, tolerant or not safe to be housed with others • A simple set of useful calculators such as alkalinity conversions, Celsius to Fahrenheit or gallons to litres and more. Keeping track of our aquariums can ultimately be one of the most important parts to the 'reef keeping' hobby. Maintaining husbandry tasks, testing, stability, water changes, inhabitant stats etc. are all vital to keeping successful aquariums. Pocket Marine was designed to make inputting, storing and keeping all information with you at ease. Often, any issues that we have with our aquariums can be linked to actions that were performed a short time beforehand. For this reason, a log of changes made, actions performed or additions can be vital when trying to decipher a problem that may be in play. Pen and paper has always been a great way to keep this information at hand but, Pocket Marine offers a place to store this somewhere that, this day and age, is with us at all times. Not just for tracking events. Pocket Marine is a great way to help you log your inhabitants into specific tanks, record your latest water change for your mixed reef tank or simply log your latest maintenance action performed on the fish only office tank. Recording your information couldnt be easier and keeping it on your mobile device saves on that frantic search incase of needing the information at a later date. Help with that last second impulse buy at the store. With an in depth library of over 800 species of fish, invertebrates and coral and being added to daily, you will always have the information on hand that you need to make that informed decision on a purchase. We hope you enjoy using the app and that we can help with your success in the hobby and welcome any feature requests you may have. Happy Reefing!
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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.