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
Coqui App
coquí makes it easy to stay in the loop.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.7
57 ratings · Top 50%
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 included16 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 Coqui App: map the core Navigation 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
Improve the search experience with better filtering and suggestions.
Assumption to check: Users find the search functionality lacking and hard to use.
Validate with people who use this workflow before building.
Hypothesis 2
Implement real-time traffic data and faster routing algorithms.
Assumption to check: Navigation is often inaccurate or slow to update.
Validate with people who use this workflow before building.
Hypothesis 3
Offer robust offline maps and easy download options.
Assumption to check: The app runs into issues with offline usage and map accessibility.
Validate with people who use this workflow before building.
Hypothesis 4
Streamline the UI for a cleaner and more organized look.
Assumption to check: Users report UI being cluttered and difficult to navigate.
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
coquí makes it easy to stay in the loop. whether you’re spotting something cool or flagging something sketchy, just drop a pin on the map and move on. share what matters with your friends and family — from safety alerts and hazards to community spots, curiosities, or nature sightings. - no sign-up, no account - no personal information saved - 100% anonymous - bilingual: english + spanish visit www.juntospodemos.life for more information. coquí te ayuda a mantenerte al tanto. si ves algo interesante o algo fuera de lugar, solo deja un pin en el mapa y listo. comparte lo que importa con tus amigos y familiares: alertas, peligros, lugares útiles, curiosidades o cosas lindas de la naturaleza. - sin registro, sin cuenta - ninguna información personal guardada - 100% anónimo - disponible en inglés y español visita www.juntospodemos.life para mas información.
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
Supabase
React Navigation
Axios
Zustand
BUILD KIT DIFFICULTY
Expert
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.
