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.
For everyone around the world who wants to draw and animate, freely and without pressure.
Free · 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 ibis Paint X: map the core Graphics & Design workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
For everyone around the world who wants to draw and animate, freely and without pressure. ibisPaint X is a full-featured illustration and animation app for smartphones and tablets, with over 500 million cumulative downloads across the series. "Drawing looks hard" — this app is made especially for people who think that. A creative experience that doesn't compromise even for free, an interface simple enough to use without hesitation, and a comfortable familiarity that grows the more you use it. ibisPaint X keeps serving as an easy entry point for anyone to start "drawing," while continually expanding what's possible — from a single illustration to frame-by-frame animation, and on to videos with background music and audio. With over 130,000 brushes, 30,000+ materials, 3,000+ fonts, 86 image filters, 46 screentones, 27 layer blending modes, vector tools, a reference window, radial and symmetry rulers, animated filters, and an AI Disturbance feature, ibisPaint X packs in serious functionality that rivals PC illustration software. It's a one-stop app that goes beyond drawing illustrations — into animation production, and even recording and sharing your creative process as a time-lapse video. It's chosen by people of all ages, countries, and experience levels around the world. *Drawing Tutorial YouTube Channel We post lots of videos on how to make the most of ibisPaint. Please subscribe! https://youtube.com/ibisPaint *Supported Digital Styluses https://ibispaint.com/stylus/supported_digital_stylus.jsp?platformType=1 *About Purchase Plans https://ibispaint.com/lecture/index.jsp?no=26 * If you do not cancel auto-renewal at least 24 hours before the free trial ends, you will be automatically charged upon renewal. *About App Access Permissions This app may access various device features to provide the service and improve usability. No access permission is required to use this app — all of the following are optional. You may decline any of these optional permissions. Even if declined, the app's core features remain available, but some features that require the relevant permission may be limited. •Photos/videos in your photo library To import artwork files and images, and to save the artwork files, images, and videos you create •Microphone audio input To connect and communicate with supported peripherals such as digital styluses •Bluetooth communication To connect and communicate with supported peripherals such as digital styluses •Push notifications To deliver notifications related to your artwork, app update information, and important announcements *Questions & Bug Reports We're unable to respond to questions or bug reports left in reviews. Please contact our support desk below instead. https://ssl.ibis.ne.jp/en/support/Entry?svid=25 *ibisPaint Terms of Service https://ibispaint.com/agreement.jsp
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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: Performance issues with complex projects
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Steep learning curve for new users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited export options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent brush responses
Validate with people who use this workflow before building.
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.