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
Brilliant Sort: Diamond Puzzle
Experience the joy of diamond art painting in a whole new way! Make a fresh discovery in the world of coloring games—this isn't a paint-by-numbers game but rather a tactile puzzle where sorting gems reveals art
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
11,262 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.
Build your own version
Build Kit
Make this idea yours
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Brilliant Sort: Diamond Puzzle: map the core Games 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
Introduce new diamond types or special abilities to enhance gameplay.
Assumption to check: Repetitive gameplay can become boring quickly.
Validate with people who use this workflow before building.
Hypothesis 2
Add more social integration for sharing scores and inviting friends.
Assumption to check: Limited social features for sharing achievements.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the shop and clarify item benefits.
Assumption to check: In-app purchases can be confusing.
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
Experience the joy of diamond art painting in a whole new way! Make a fresh discovery in the world of coloring games—this isn't a paint-by-numbers game but rather a tactile puzzle where sorting gems reveals art. In Brilliant Sort, you'll sort sparkling diamonds by color, clear space on the shelf, and place each gem in the perfect spot. Fans of gem-sorting gameplay will adore watching dazzling pixel art images appear piece by piece as the clock ticks down. A GROWING COLLECTION OF GEM ART Discover hundreds of stunning pixel art pictures to complete in Brilliant Sort, from beautiful landscapes to cute characters. New artwork is added regularly to keep your diamond sorting journey fresh. RELAXING YET CHALLENGING Looking for a diamond art game that's both calming and engaging? Brilliant Sort is a relaxing brainteaser for those who enjoy peaceful yet captivating challenges. The early levels are easy to pick up, while later ones test your strategy and speed. It's rewarding without ever feeling stressful. NEW WAYS TO PLAY Themed Galleries: Tackle a curated group of levels tied together by one beautiful theme. Finish the gallery to earn a special reward! Big Picture: Assemble one breathtaking diamond art picture made of tons of tiny segments. Each segment is its own level; complete them all to reveal the final image and claim your prize. Event Locations: Explore limited-time event maps made of unique gem levels that require special event energy to play. Complete the whole location before the timer runs out to earn exclusive rewards. Season Albums: Collect themed cards into seasonal albums by opening special packs from events, offers, and the event shop. Fill collections and complete the whole album to claim extra prizes. FUN POWER-UPS TO HELP YOU WIN Extra Shelf: Gain more space to plan your moves. Time Freeze: Stop the clock to strategize without pressure. Auto Sort: Instantly place diamonds in their correct spots. PLAY ANYWHERE, ANYTIME Enjoy diamond painting in Brilliant Sort anywhere—it's perfect for a quick break, a relaxing evening, or as you unwind before bed. LOVED BY PLAYERS WORLDWIDE "I truly love this game. It's beyond relaxing. A 10 out of 10 in my book—I highly recommend it!" "I really enjoy this diamond game. Never played anything quite like it." "I love this game so much. It's super easy but still takes some thought and is super fun." Brilliant Sort: Puzzle Game isn't just about sorting gems; it's diamond painting brought to life, one move at a time. Whether you're a casual player or a puzzle pro, you'll find joy in every sparkling diamond you place. Download now and start revealing dazzling art! Terms of Service: https://belka-games.com/terms-of-service/ Privacy policy: https://belka-games.com/privacy/
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.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
react-native-reanimated
expo-router
react-native-vector-icons
BUILD KIT DIFFICULTY
Intermediate
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.
