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
My Styles: Custom Website Look
Transform the web to fit your needs
$3.99 · In-app purchases
PRICE
$3.99
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 My Styles: Custom Website Look: map the core Developer Tools workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Transform the web to fit your needs. My Styles is a Safari extension that changes how any website looks in seconds, from a quick font tweak to a full CSS makeover. Now with Dark Mode for any site. NEW: DARK MODE FOR ANY WEBSITE Turn a bright website dark with one tap, from the toolbar button or the editor. Photos and videos keep their real colors, sites that are already dark are left alone, and your own styles still apply. KEY FEATURES Visual Editor: Pick any element on a page and change its color, font, size, spacing or visibility with a few clicks. No coding required. Code Editor: Write your own CSS in the built-in editor and see every change live. Userstyles & Catppuccin: Install .user.css and .user.less styles, or the whole Catppuccin collection, and pick your flavor and accent. Clutter-Free Browsing: Hide ads, sidebars and pop-ups on your favorite sites for good. Readability Mode: A clean, focused reading view for articles, with your own font, size, width and background. iPhone, iPad and Mac: One purchase gives you the same extension in Safari on all your devices. Import & Export: Back up all your styles or move them to another device. Per-Site Rules: Changes save automatically for each website. WHY MY STYLES? Force dark mode on a site that doesn't have one, make text bigger and easier to read, or redesign the dashboards you use every day. My Styles is a lightweight, reliable way to customize Safari. 100% local: your styles are saved on your device. No account, no tracking. Inspired by Stylebot.
Written user reviews are not shown here. Check current App Store reviews >
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
Offer more advanced styling features and templates.
Assumption to check: Limited customization options compared to desktop tools
Validate with people who use this workflow before building.
Hypothesis 2
Implement easy share functionality with links.
Assumption to check: Difficulty in sharing styles with others
Validate with people who use this workflow before building.
Hypothesis 3
Add a guided onboarding experience for new users.
Assumption to check: Lack of user tutorials or onboarding
Validate with people who use this workflow before building.
Hypothesis 4
Create a community forum or support chat feature.
Assumption to check: No community or support for troubleshooting
Validate with people who use this workflow before building.
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.
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BUILD KIT DIFFICULTY
Advanced
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.
