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
Fruit Juice Farm
Welcome to Fruit Juice Farm! Build your own fruit farm, fire up the sprinklers, slice ripe fruit and turn it into fresh juices and fizzy soft drinks
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
1,716 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
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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/
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 Fruit Juice Farm: 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 diverse farming tasks and mini-games.
Assumption to check: Repetitive gameplay can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 2
Add social features like cooperative farming or trading.
Assumption to check: Limited social interaction features.
Validate with people who use this workflow before building.
Hypothesis 3
Balance gameplay to reduce reliance on purchases.
Assumption to check: In-app purchases may feel necessary to progress.
Validate with people who use this workflow before building.
Hypothesis 4
Implement better quality control and user testing.
Assumption to check: Some bugs in fruit growth timing.
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
Welcome to Fruit Juice Farm! Build your own fruit farm, fire up the sprinklers, slice ripe fruit and turn it into fresh juices and fizzy soft drinks. Ready to build a never-stopping, fully automated drink empire? It starts with a single tap and grows into a whole factory. Play actively or kick back and relax - your farm keeps working, producing and earning money even while you're away. GROW & WATER Rotating sprinklers water your fruit automatically. Upgrade the watering system, unlock new sprinkler parts and ripen your whole garden in seconds. HARVEST & SLICE Slice ripe fruit by hand or let the auto-harvesters do the work. Satisfying slicing effects and juicy splashes turn every harvest into a treat! SQUEEZE & PRODUCE Harvested fruit flows through the pipes, fills the bottles and lines up on the conveyor. Strawberry, kiwi, orange and many more - each fruit has its own color and juice. SELL & GET RICH Sell your bottles and fill your vault. Multiply your earnings with Juice Frenzy and keep your income growing. Offline earnings pile up while you're gone and wait for your return! UNLOCK NEW ZONES A different fruit type awaits in every zone. Unlock zones, upgrade your plants up to level 20 and watch your farm evolve in spectacular ways. UPGRADE NON-STOP Sprinklers, auto-harvesters, conveyor capacity and idle production... Push your empire beyond every limit with dozens of upgrades. HYBRID LAB Research new fruit recipes in the Flavor Lab, grow hybrid plants and unlock combinations you've never seen before. QUESTS & COLLECTION Complete daily tasks, finish side quests, fill your fruit collection and earn plenty of rewards. KEY FEATURES - Relaxing and addictive idle gameplay - Satisfying slicing, squeezing and juice-flow effects - Offline earnings - the game works even when you don't - Dozens of fruits, zones and hundreds of upgrades - Cute graphics, smooth animations and delightful sound effects - Easy one-handed play, fun for all ages Download now, slice your first fruit and start building the sweetest juice empire in the world!
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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
FastAPI
Zustand
Axios
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.
