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 Countdown Maps Mobile App is a fun and convenient way to keep track of your missionaries
$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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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 Countdown Maps: map the core Reference 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 customization options for countdown events
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Infrequent updates or new features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Price point might deter users
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 Countdown Maps Mobile App is a fun and convenient way to keep track of your missionaries. Whether they are your children, parents, family, or friends, you can track as many Elders, Sisters, or Couples as you wish and incorporate as many details as you like. This is perfect for parents, families, bishops, and anyone who has friends or family serving missions. Here are some of the features: Missionaries Page – Shows all of the missionaries you are tracking and where they are serving. Photos can be inserted as a visual reminder. This list can be sorted alphabetically or by the date that they return home. Missionary Stats – If you tap on a missionary from the list, you can see all of the information about that missionary including their picture, the flag of the state or country where they are serving, days served, days remaining, percent complete, email address, mailing address, current companion(s), and a favorite scripture or quote. The email address is also a direct link to your email, so that you can start an email to them from this view. You can also put in a future departure date and it will countdown the days until they leave. Missionary Edit Page – Edit the missionary’s information to make updates to picture, area, departure and return dates, email address, and quotes. Transfers – If you click on the View Transfers button, you see a list of all the transfers that have been entered. From here you can add new transfers or companions or edit existing ones. On the Edit Transfer page, you can enter their current area, companion, date of the transfer, choose a color for the map, enter their mailing address, and add notes about that things that are going on in that area. Information from the most recent transfer is moved onto the Stats page. View Map – If you click on the View Map button, you will see an outline map of the country or state where that missionary is serving. This map is automatically filled in as the days go by to show their progress in the map. Colors coordinate with the Transfers list – you can changes colors based on areas, companion, by transfer, or whatever you would like. Have fun, be creative. Share – This button allows you to send the missionary’s email address, mailing address, and other information in a variety of formats (text, PDF, Link) using several sharing methods (message, email, Facebook, etc.). User can choose which information to send and in what format. This is a quick and easy way to send contact information to family or friends who want to write to them and keeps people updated in social media. Copy & Paste functionality is also enabled through the Share button. The PDF format also serves as a permanent record of the missionaries activities when their mission is completed. Sync – The sync feature provides the ability to save a copy of your data to a secure cloud account. From here, you can sync your data across multiple devices and protect against data loss when upgrading devices or in the event of a device failure. To use this feature, just create a Sync Account. This is the perfect app for keeping up on your missionaries on a daily basis and it brings all of the relevant information together in a fun and creative way.
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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.