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
Control Panel for Twitter
Control Panel for Twitter is a Safari extension to improve your experience on Twitter.com by adding new features and options Twitter is missing.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
56 ratings · Top 15%
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 included17 files
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.
// RORK SYSTEM PROMPT
Rork plan preview for Control Panel for Twitter: map the core Social Networking 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
Add features like tweet scheduling and advanced analytics.
Assumption to check: Limited functionality compared to native Twitter app.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a cleaner, more organized interface.
Assumption to check: User interface can feel cluttered.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the subscription model and clearly outline benefits.
Assumption to check: In-app purchases can be confusing.
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
Control Panel for Twitter is a Safari extension to improve your experience on Twitter.com by adding new features and options Twitter is missing. By default, your Home timeline will be the chronological "Following" timeline, which will only contain tweets and quote tweets from the people you follow. The algorithmic "For you" timeline will be hidden, and Control Panel for Twitter will keep you on "Following" if Twitter tries to put you back on "For you". Everything is configurable, so start by opening the extension options and customizing to your liking. Features Home timeline: • Use the Following (chronological) timeline by default • Hide the "For you" (algorithmic) timeline • Sort Following (Recent / Popular) • Retweets (Show in separate tab / Hide) • Quote Tweets (Show in separate tab / Hide) • Enable muting of Quote Tweets • Hide "See new Tweets" • Hide suggested content in the timeline • Hide inline prompts in the timeline • Full-width timeline content (desktop version) - Hide the sidebar and let timeline content go full-width UI improvements: • Prevent next video autoplaying (mobile version) • Add "Add muted word" to the "More" menu • Fast blocking (skips confirm dialog) • Hide quotes and replies to blocked and muted accounts • Hide Retweets in user profiles • Hide Likes in Notifications • Hide Retweets in Notifications • Retweets in Lists • Hide suggested content in Search • Default to "Latest" tab in Search • Hide the quoted tweet when viewing Quote Tweets X fixes: • Redirect to twitter.com • Redirect Chat nav item to Messages • Replace X branding changes • Dark mode theme (Dim) • Hide Views under tweets • Hide Verified Followers tab • Restore Tweet source label • Show account location in focused tweets • Show account location in user hover cards (desktop version) • Restore headlines under external links • Restore Quote Tweets link under Tweets • Restore other links under Tweets • Default sorting of replies (Recent / Likes) • Hide "Sort replies" menu • Premium blue checks (Replace with Twitter Blue logo / Hide) • Hide Premium blue check replies • Hide Premium upsells • Hide Grok • Hide Grok tweets • Hide Edit image • Hide Jobs • Hide Subscriptions UI tweaks: • Don't use the Chirp font • Disable bold and italic text in tweets • Use normal text font style in navigation bar (desktop version) • Navigation density (desktop version) (Comfortable / Compact) • Use normal font weight in dropdown menus • Uninvert Follow / Following buttons (Monochrome / Themed) • Bypass age verification • Unblur sensitive content Remove algorithmic content: • Hide sidebar contents (desktop version) • Hide Explore page contents and use it only for searching • Hide "Discover" suggestions Reduce "engagement": • Hide metrics • Reduced interaction mode - Hide the action bar under tweets – replies are now the only means of interacting • Hide the Compose Tweet button • Disable the home timeline - Find yourself wasting too much time on Twitter? Try preventing use of the home timeline • Notifications (Hide badges only / Hide) Hide UI items you don't use: • Bookmark button under tweets • Share button under tweets • "View activity" links • Tweet box in timeline (desktop version) • Account switcher (desktop version) • Chat drawer (desktop version) • Explore (desktop version) • Creator Studio • Follow • Communities • Hide "More" menu items you don't use TWITTER, TWEET and RETWEET are trademarks of Twitter Inc. or its affiliates
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.
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BUILD KIT DIFFICULTY
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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.
