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.
Basic List-Making, On Steroids
$0.99 · 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 ListMonger: map the core Productivity 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: Users find it hard to manage large lists efficiently.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Some users experience crashes during sharing functionality.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited collaboration features for shared lists.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No visual reminders for deadlines.
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.
Basic List-Making, On Steroids (nested sublists • sort on any field • add items at any position • dark mode • backup & restore • search • mail lists between users • more!) ListMonger provides powerful, quick, and easy list-making in the palm of your hand. Leave the post-it notes and scraps of paper behind, and fire-up ListMonger to conveniently keep track of any kind of list. ListMonger provides 11 pre-configured yet flexible fields, making it ready to serve an infinite variety of list-making needs, without any futzing around or complicated set-up each time you start a new list. Unique, powerful, and thoughtfully-implemented features separate ListMonger from the pack. ListMonger provides the ability to slice and dice your lists, right in hand, in ways that other iOS list-making apps simply can't do. List lovers rejoice! ListMonger offers: NESTED SUBLISTS Your list items can have lists of their own! And they can have sublists! And they can have sublists... ÜBER-SORTING Touch and hold any column name to sort on that field. Or re-order your items using drag and drop. Or visit the sort menu for more options, including the ability to save and recall a custom sort order. PUT IT WHERE YOU WANT IT Identify any list position as the insertion point when adding a new item. QUANTITY + AND - BUTTONS Easily increase or decrease the quantity field with + and - buttons. QUICK-CHANGE COLUMN VIEWS Quickly change the info shown on-screen using pop-over selection menus. FLAG ITEMS FOR QUICK FILTERING Lists can be easily filtered on either the flag or check field, or both. (eg, Flag the items you need from a master grocery list, turn-on the flag filter, and you’ll be left with a filtered list of just your currently needed items. Then use the checkmarks to check-off items as you pick them up.) SHARE YOUR LISTS Send a list to anyone via email. Or send your list data to another user, who can open and use it in ListMonger running on their device. (Please note that ListMonger does not sync across devices.) AUTO DATE-STAMPING OF CHECKED ITEMS Automatically keep track of when you did stuff. ENHANCED NOTES FIELD The notes field can pop into a full-screen view, with phone numbers, email addresses, and URLs auto-formatted as links. 11 FIELDS, 1 USER-DEFINED PER LIST Item, Quantity, Cost, Priority, Date, Flag, Check, Check Date, Notes, and Color, plus one user-defined field. BACKUP & RESTORE Safeguard your lists by copying the ListMonger database between your iOS device and a Mac/PC using App File Sharing / iTunes. THOUGHTFUL DESIGN Functions are easy to get at and easy to use. MORE… • Dark mode. • Launch password and/or individual list password protection. • Flexible item counting options. • Color-code items. • Search / filter items within a list. • Delete, move, or copy multiple items at once. • No ads, subscriptions, or in-app purchases required. Thanks for your interest!
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.