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
Aquarium TV Screen
Aquarium TV Screen: aquariums in 4K.
$0.99
PRICE
$0.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.0
4 ratings · Top 30%
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 included15 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 Aquarium TV Screen: map the core Lifestyle 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
Expand video library with user-uploaded content or curated selections.
Assumption to check: Limited video selection compared to other similar apps.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce themes, video categories, or play modes.
Assumption to check: Lack of customization options for users.
Validate with people who use this workflow before building.
Hypothesis 3
Enable users to share their favorite videos on social media.
Assumption to check: No social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Add user ratings, comments, or favorites for videos.
Assumption to check: Limited user engagement features.
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
Aquarium TV Screen: aquariums in 4K. Enjoy putting an aquarium on your 4K television to relax. Also now if you have an AppleTV or Mac, you can enjoy them on all your devices (iPhone, iPad, Mac and AppleTV) for the same price. Main features: - 4K 3840x2160 10-bit HDR video - 30 original fireplaces in 4K HDR - 4K or HD video quality - Speed function: change the speed of the video - Filters to change the appearance of the scene - Digital or analog clock (place it where you want) - Possibility of repeating the video indefinitely - Random play mode (suffle mode) - Silent mode - Special effects (snow, rain, streamers, ...) - Quotes / Quotes - Made exclusively for iPhone and iPad Finally an application that includes aquariums for your relaxation in superior quality. Isn't it really amazing? Learn to relax with this fantastic app and enjoy the best Aquariums on your iPhone, iPad, Mac or AppleTV. We will increase the contents daily. Privacy Policy: http://jewelsapps.com/privacy-policy/ Terms of Use (EULA): http://jewelsapps.com/terms-of-use/
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
React Navigation
Axios
Expo AV
React Native Slider
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.
