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.
WikiTest is a modern book test that uses a borrowed smartphone.
$109.99 · 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 WikiTest: map the core Entertainment 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: Limited categories and quizzes available
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases may deter users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Quiz completion can feel repetitive
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Slow loading times for quizzes
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.
WikiTest is a modern book test that uses a borrowed smartphone. “Marc's apps are unbelievable.” —David Blaine “The greatest app for magicians. It's incredible.” —Asi Wind - You ask a spectator to search for ANY object, person or place on Wikipedia on THEIR phone to bring up its article. - Whilst you look away, the spectator scrolls through the article and thinks of a random word on the page. - You then tell the spectator EXACTLY what object they're looking at, as well as what word they're merely thinking of on the page! The text (and of course their phone) can be thoroughly inspected after the routine with NOTHING to find! * Works with ANY borrowed modern smartphone, tablet or computer. * You NEVER touch their phone! * VERY easy to perform. * NO accomplice required. * NO memory work needed. * Works in English, French, German, Spanish, Dutch, Italian, Swedish, Brazilian Portuguese, Norwegian, Danish, Japanese, and Bahasa Indonesian with more languages added regularly. No other devices are needed to perform the effect (you only need your iPhone!) However, if you have one, WikiTest comes with a fully functional Apple Watch app. It also supports popular devices such as the PeekSmith and Oblivious Notifier. *** WikiTest was voted "Magic Trick Of The Year", and was performed on the TV special "Beyond Magic". WikiTest also integrates with many other apps, such as Earworm and Diverter! WikiTest also has an optional Pro Tools package, giving: - Live Peek - see what is being typed in real-time - Image Peek - peek the article's image - Auto Translate - automatically translate all searches in any language to your native language - AutoPair - pair with your spectator automatically - Real Main Page - use the real main page in performance - QuickLink - pair immediately with a fast pairing method - Article Extract - see a short article extract from the searched article on both the Peek Screen and the Apple Watch app - NFC Support - Further app integrations ...and much, much more! ---- If choosing to subscribe, note: - Your Pro Tools payment will be charged to your iTunes Account at confirmation of purchase. - You can cancel your subscription any time. - The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period by going to your iOS Account Settings after purchase. - The subscription price is currently $5.49 USD/month. - Your account will be charged for renewal within 24-hours prior to the end of the current period. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. - Terms of Use can be found here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app is for entertainment purposes only. Video/audio/TV broadcasting of any description of this effect is prohibited without the written consent of its creator.
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.