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.
App Overview
Sublists
sublists - track & manage your subscriptions
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Sublists: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Create a simplified onboarding process with guided tours.
Assumption to check: Users often find financial apps complex and overwhelming.
Validate with people who use this workflow before building.
Hypothesis 2
Implement AI-driven automatic categorization for transactions.
Assumption to check: Many finance apps lack effective categorization of transactions.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate a calendar view for tasks and reminders.
Assumption to check: Users struggle with bill reminders and tracking due dates.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance reports with visually appealing charts and graphs.
Assumption to check: Apps often lack visual representations of financial data.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
sublists - track & manage your subscriptions keep track of all your subscriptions in one place with this elegant and intuitive subscription management app. never miss a payment or renewal date again! key features: • track all your subscriptions across different categories • beautiful visual breakdown of your spending by category • monthly comparison to track spending changes • support for multiple currencies • dark mode support • premium features for power users perfect for: • streaming services (netflix, spotify, etc.) • software subscriptions • cloud services • fitness memberships • educational platforms • and many more! easy to use: • add subscriptions with just a few taps • view your total monthly spending at a glance • track changes in your subscription costs • get insights into your spending patterns • manage subscriptions across different categories stay in control: • monitor your monthly spending • compare costs month over month • categorize your subscriptions • set reminders for upcoming renewals • track changes in subscription costs download subscription manager today and take control of your recurring expenses!
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
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BUILD KIT DIFFICULTY
Starter
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.
