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
JoyReels - Enjoy Short Dramas
Find the perfect entertainment to match your mood
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
15,291 ratings · Top 15%
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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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/
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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 JoyReels - Enjoy Short Dramas: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Find the perfect entertainment to match your mood. No matter where you are, you can watch the most popular mini-series anytime on JoyReels. Enjoy now! We offer a wide selection of dramas and short TVs with high quality and high definition. Furthermore, fantastic plot, short episodes, frequent update, all make it easy to watch on the go. Why JoyReels? [Diverse content] There are lots of short TVs, dramas with different themes. You can explore popular genres such as Werewolf, Advanture & Action, Billionaire and Romance with just a tap. [Fast update] Experience the thrill of discovering something new with JoyReels'regular content updates. Our library is constantly expanding, ensuring that every visit to the app brings fresh and exciting short videos for your viewing pleasure. Say goodbye to monotony and say hello to a constant stream of entertainment. [User-friendly experience] Simple, clear, easy understanding interface and Smooth streaming, high-definition playing bring you an unprecedented and incredible experience. Note: If you subscribe via Apple, payment will be charged to App Store Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase. Terms of Service — https://www.joyreels.com/user_agreement/index.html Privacy Policy — https://www.joyreels.com/privacy_policy/index.html Apple Terms of Service — https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
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
Offer a wider range of genres and user-uploaded content.
Assumption to check: Limited content variety and availability.
Validate with people who use this workflow before building.
Hypothesis 2
Provide an ad-free subscription option.
Assumption to check: In-app ads can be disruptive.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the UI for better navigation and usability.
Assumption to check: User interface can be cluttered.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance offline download features for more dramas.
Assumption to check: Limited offline access to content.
Validate with people who use this workflow before building.
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
Advanced
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.
