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
Water Eject ‒ Speaker Cleaner
Ever feel like your phone could use a little extra love? Clear Wave has got you covered with an array of fantastic audio tools.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
31,124 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 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/
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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 Water Eject ‒ Speaker Cleaner: map the core Music 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
Ever feel like your phone could use a little extra love? Clear Wave has got you covered with an array of fantastic audio tools. Why you need Clear Wave: - Generate clear sound waves at frequencies from 0Hz to 22,000Hz to craft your ideal soundscape. - Show your neighbour that their "quiet" music isn’t so quiet with our decibel meter. - Mosquitoes bugging you? Blast them away with our ultrasonic frequency generator. - Switch between light and dark modes, both look fantastic. Plus, you’ll enjoy an ad-free experience because nothing should interrupt your use of the app. We could keep going, but why not try it out for yourself? Dive in and explore Clear Wave! Have any questions, suggestions, or complaints? Please drop us a line at [email protected]. Privacy Policy: https://tinyboom.com/privacy-policy/ Terms of Services: https://tinyboom.com/terms-of-service/
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
Implement a speaker type selection for optimized frequency.
Assumption to check: Users find it ineffective for certain speaker types.
Validate with people who use this workflow before building.
Hypothesis 2
Add features like sound testing or volume boosting.
Assumption to check: Limited functionalities beyond water ejection.
Validate with people who use this workflow before building.
Hypothesis 3
Conduct extensive testing and optimizations for compatibility.
Assumption to check: Some users report crashes on older devices.
Validate with people who use this workflow before building.
Hypothesis 4
Incorporate social sharing or user feedback options.
Assumption to check: Lack of user engagement features.
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.
SUGGESTED BUILD STACK
React Native
Expo
React Navigation
expo-slider
shadcn/ui
BUILD KIT DIFFICULTY
Starter
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.
