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.
Did you know that data wastage due to ads can increase by up to 4 times?
$1.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Unicorn:Ad Blocker for Safari: map the core Utilities workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor performance
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Did you know that data wastage due to ads can increase by up to 4 times? Unicorn blocks ads to reduce unnecessary data usage by up to 4 times and improves your web browsing speed by more than 3 times. Experience an extended battery life of up to 21% with a lighter web environment. Caution: • After the initial installation, please ensure that you enable both of Unicorn’s extensions by going to iPhone → Settings → Apps → Safari → Extensions and switching both to “On,” then set them to “Allow” on all websites. User Reviews: • “I rarely leave reviews, but I absolutely have to buy this.” - yangxx • “Ever since I experienced an ad-free world, I only use Safari.” - no1xxx • “The database is extensive and the feedback is extremely fast.” - xxpi • “I’ve been using it for 3 months and I’m very satisfied.” - berxxxx Key Features: • Ad blocking effect (for the Safari browser) • Up to 4 times data saving • Up to 3 times speed improvement • Up to 21% increase in battery life (Source: The New York Times) Recommended Users: • Ad misclick prevention: In case you accidentally click on ads. • Blocking unnecessary ads: If you are disturbed by provocative adult ads or an overload of ads. • Child protection: If you don’t want your children to see stimulating ads. • Elderly protection: If you are concerned that older parents might fall for scam (bait) ads. • Data and battery saving: If you are worried about limited data, slow speeds, overheating, or battery drain. • Visual impairment support: For users who access the internet via voice guidance (for the visually impaired or low-vision users). Types of Ads That Can Be Blocked: • Website ads: Ads on domestic and international mobile and desktop sites. • Tracking ads: Ads that track your search information. • Embedded ads: Ads cleverly inserted in the middle of articles. • Popup ads: Ads that appear in a popup format. • Forced redirect ads: Ads that forcibly redirect you from a site. • Unnecessary SNS elements: Social media comments and share buttons. • Cryptocurrency mining scripts: Blocks illegal mining scripts. • Anti-adblock circumvention ads: Ads that bypass ad blockers. • Video ads: 5–15 second video ads (Ads on some sites that are beyond Safari’s content blocking capabilities may be difficult to block) • Screen cleanup: Removes any blank spaces left after ad removal. • Cleaner function: Allows users to directly select and remove content areas on sites where blocking is insufficient. ※ If ads are not completely blocked, please report them using the “Report Ad” feature within the app and we will respond accordingly. Cleaner Function: • Allows deletion of user-specified areas. • Run the cleaner within the app or select Cleaner via Safari’s share button. How to Update the Blocking Database: • Press the update button after launching the app. • Enable automatic updates within the app (background refresh required). Frequently Asked Questions (FAQ): • What if ads still remain? Some video sites, Twitter, Facebook, or sites with anti-adblock measures may not have ads blocked. → In this case, using Unicorn Pro will resolve most issues. • Does it block ads in apps or game apps? This app is for the Safari browser only and does not block ads within other apps. • What if ad blocking isn’t working well? If ads are not blocked at all, please refer to the in-app guide to check if the settings are correct. If problems persist, please uninstall and reinstall the app. • What should I do if I see an ad? In case of sudden ad appearance, please check if you can update to the latest blocking rules. • Can ad blocking sometimes fail? Since many sites frequently add or change ads, complete blocking may be difficult. Notice: ※ In cases beyond the technical scope of the extension, some ads (such as on video sites, Twitter, Facebook, or sites with anti-adblock measures) may not disappear. In such cases, using Unicorn Pro will resolve most issues. Customer Support: • Email: [email protected]
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.