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.
Meet Pika, the mind-blowing AI video maker that brings your wildest dreams and weirdest ideas to life
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 Pika - AI Video: 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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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 editing features compared to desktop software.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Performance issues with large images.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion among users.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of user community or sharing features.
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.
Meet Pika, the mind-blowing AI video maker that brings your wildest dreams and weirdest ideas to life. Insert yourself into a famous painting. Kiss a troll. Put a bunny in your bathtub. Squish a skyscraper. With Pika, literally anything is possible. 1. Pikaswaps Put your cat in the grand canyon. Turn the Mississippi River to lava. With Pikaswaps, the options are endless. Use your photos or text prompts to replace any element in any of your video, with hyper-real results. 2. Pikamemes React to posts, threads, and comments with custom GIFs, generated from just a single selfie. Turn yourself into your favorite emoji, blow an air kiss, or vomit slime. Whatever your mood, we’ve got a meme. 3. Pikadditions Catch everyone’s attention with surprising objects, people, and fantastical elements dropped right in to your videos. Let your imagination run wild on selfies, iconic clips, POV videos, or anything you imagine, while preserving the original video and sound. 4. Pikaffects Pikafy any of your photos with different Pikaffects like Cakeify, Melt, Explode, Squish, Levitate and more. We're always releasing new Pikaffects, and with the Pika app, you'll get first access to all of them. 5. Pikascenes Choose from different scenes like “Guard your castle,” “Fly in the sky,” and make them your own, swapping out characters, backgrounds, wardrobe and more with what you upload. Or, start from scratch and build your own video using just your photos and a text prompt of your creation. 6. Image-to-Video Turn any of your photos into a dynamic video. All you need is a photo and an idea. 7. Text-to-Video Start with a simple text prompt. Your imagination + Pika’s magic = a whole new reality. Why are you still reading this? Download the Pika app and start playing! Terms of Service: https://pika.art/terms-of-service Acceptable Use Policy: https://pika.art/acceptable-use-policy Privacy Policy:https://pika.art/privacy-policy
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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.