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.
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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 New Emoji - Extra Smileys: 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: Limited emoji selection compared to other apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No customization options for emojis
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Interface can feel cluttered
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.
*** ON SALE! 50% OFF! *** Hundreds of redesigned Emojis And many new Emojis: • Red Haired Emoji • White Haired Emoji • Super Hero Emoji • Freezing Emoji • Bubble Tea Emoji • New 2020 Emojis and many more... NEW: Now you can choose from hundreds of additional Emojis and Emoticon Stickers and change the background color of your messages. THIS KEYBOARD CONTAINS • All standard Emojis, including the latest Emojis • Extra Emojis with custom designed graphics • Funny Emoji combinations (emoji art) • Color backgrounds for your messages • 600 additional Unicode characters • Different text styles ⓈⓉⓎⓁⒺⓈ • 700 cute emoticon stickers STANDARD EMOJIS: • Quick access to your favorite Emojis EXTRA EMOJIS: • Custom designed Emojis • 6 different skin tones • Emojis with glasses • Middle finger Emojis • Hipster Emojis • Face-palm Emojis • Red hair Emojis • ... You can change between two sizes for text and Emojis. These extra Emojis are converted to images. It’s not possible to send them directly as text, like the standard Emojis. EMOJI ART: • Hundreds of funny designed Emoji combinations for different occasions, like birthday greetings. STICKERS 700 cute high quality emoticon stickers. • Standard Emojis in huge size • Custom Emojis • Unicode 9 Emoji mockups • Cute Emoticons in various styles COLOR MESSAGES: • Change the background of your message bubbles with 12 different colors. TEXT STYLES: • 6 different text styles, for example: • Ⓖⓞⓞⓓ ⓜⓞⓡⓝⓘⓝⓖ SPECIAL CHARACTERS About 600 additional Unicode characters, which are not available on your standard keyboard. • Stars • Crosses • Arrows • Shapes • Math Symbols • Skull • Dice • ... DESIGNED FOR: • iPhone • iPod Touch • iPad IMPORTANT: • The extra Emojis, stickers and color messages can only be send as images! Only the standard Emojis, emoji art, special characters and text styles can be send as text. HOW IT WORKS: • Regular Emojis including all iOS 12 Emojis with 6 different skin tones can be written as text. • All text styles, special characters and emoji art can also be written as text. • Extra Emojis will be written into a separate area. Then an image is generated from this message. This image can be send with iMessage or other messengers. • Extra Emojis, Stickers and color messages will be send as images. KEYBOARD: • Needs iOS 8 or higher • Use it in all of your Apps • Big and small font size for Emojis and text. More Emoji stickers will be added with future updates. Be excited about the reactions of your friends ► The funniest texting ever :)
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.