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
Binly
Binly is your private place for everything you want to save now and find again later.
$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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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 included16 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.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Binly is your private place for everything you want to save now and find again later. A useful link. A quick note. A photo. A GIF. A PDF. A video. A document you do not want to lose. Instead of spreading everything across different apps, screenshots, downloads and photo albums, keep it together in Binly. Sync across your Apple devices Save something on your iPhone and access it on your iPad or Mac through iCloud. Your Binly content stays in sync automatically. Save almost anything: • Web links • Notes and ideas • Photos and GIFs • PDFs and documents • Videos • Files you want to keep for later Create folders and stay organized Make your own folders for work, travel, recipes, ideas, documents or anything else. Use tags, search your saved items and choose between grid or list view. Everything stays easy to find. Save directly from other apps Found something useful in Safari or another app? Use the Share Extension and send it straight to Binly. Take photos without clutter Take a photo directly inside Binly and keep it there, without filling your main Photos library with things you only wanted to save for later. Your own private cloud Your items stay on your device and sync through your own private iCloud account. No separate Binly account or sign-up is needed. Privacy without the fine print: • No tracking • No advertising • No Binly account required • No Binly cloud server • Your data stays yours Works across your Apple devices Save something on your iPhone and have it available on your iPad through iCloud. Available in English, Dutch, French, German, Spanish and Brazilian Portuguese. No subscription. No monthly fee. Just one small one-time price. Binly — save it now, find it when you need it.
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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
BUILD KIT DIFFICULTY
Intermediate
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.
