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
Subscription Tracker Renewals
Subscription Tracker Renewals shows you what you actually pay every month — and every year — for the services you forgot you were paying for.
$0.99
PRICE
$0.99
No 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.
First kit free with a verified email
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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.
What's included
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Subscription Tracker Renewals shows you what you actually pay every month — and every year — for the services you forgot you were paying for. Buy it once. No ads, no subscription, no account. Ever. WHY IT PAYS FOR ITSELF The average person pays for services they no longer use. This app costs less than one forgotten month of almost anything. Find a single subscription you don't want, cancel it, and the app has already paid for itself many times over. SEE THE REAL NUMBER • Your true monthly total, across every billing cycle • The yearly figure most people never add up • Weekly, monthly, quarterly, half-yearly and yearly cycles • Every price normalised so you can compare like for like NEVER GET SURPRISED AGAIN • Reminders before a charge lands, from the day itself up to a week ahead • Free trial tracking, so you cancel before you get billed • Next charge date on every entry, sorted by what's due soonest • Pause a subscription instead of deleting its history KNOW WHERE IT GOES • Spending broken down by category • Ten categories: streaming, music, software, gaming, fitness, news, cloud, food, utilities and more • Your single biggest yearly cost, called out • The next charges coming up, at a glance BUILT THE RIGHT WAY • No bank connection. Ever. You enter what you pay. • No data collected, no tracking, no analytics • Works completely offline, even in airplane mode • Full dark mode, VoiceOver and Dynamic Type • iPhone and iPad Most subscription apps ask you to connect your bank account, then charge you monthly to look at your own spending. This one does neither.
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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.
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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
