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.
App Overview
Yoki-Voice Chat&Games
In Yoki, there are many online, real users, and there are happy and fun voice chat rooms, making it easy to connect new and different peoples, play with friends in voice room, maintain daily relationships with friends...
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 3.3
35 ratings · Below Average
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Yoki-Voice Chat&Games: map the core Social Networking workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Incorporate mini-games and challenges to increase user engagement.
Assumption to check: Not enough engaging content for users.
Validate with people who use this workflow before building.
Hypothesis 2
Implement better search and recommendation features.
Assumption to check: Difficulties in finding friends and rooms.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to personalize their profiles with themes and backgrounds.
Assumption to check: Limited customization options for profiles.
Validate with people who use this workflow before building.
Hypothesis 4
Focus on optimizing the app's performance and reducing crashes.
Assumption to check: Poor app stability and performance.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
In Yoki, there are many online, real users, and there are happy and fun voice chat rooms, making it easy to connect new and different peoples, play with friends in voice room, maintain daily relationships with friends, and play together... Open Yoki and talk with friends anytime, anywhere from all over the world! 【Discover new people】 People from different regions and with different personalities are here. In the home plaza, you can browse who’s online right now and say hi with one tap to break the ice and start a conversation instantly! 【Voice Chat Party】 In the voice chat room, gather new and old friends from all over the world, there are fun interactive games, rich and beautiful gifts, frames, cars..., and hold various online parties together! 【Video Chat Room】 Looking for someone to chat, share jokes, or just pass the time? Join a group video chat room with one tap for real-time, face-to-face interaction—meet like-minded people anytime, anywhere! 【1-on-1 Talk】 Meet people you’re interested in, break the ice with one tap, and start real conversations. Enjoy text, voice, or video to share interests and life — easy, friendly, and comfortable! 【Moment Square】 Share your life moments and show your unique self! Show your interesting daily stories, pictures, and videos by publishing unique moments, and get your own likes, comments and interactions! 【Real Person Verified User】 We use real-time real person verification detection to ensure a safe and private social platform. We will review the files of all registered users to verify the authenticity of the information. At the same time, the chat content in Yoki is completely confidential! 【Rich Gift Packs and Dress Up】 Yoki has a wealth of gifts, cars, head frames, emoticons, etc. to highlight your unique identity! At the same time, various tasks/activities will give away gold coins/diamonds, 1v1 chat free cards, etc., so that you can easily start a social journey! Yoki brings together real, online users from everywhere! Join voice room parties, 1-on-1 messages, and family group chats to connect with people worldwide in real time. Don’t wait — download Yoki now and start chatting online for free!
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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BUILD KIT DIFFICULTY
Expert
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.
