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
Shokz
You can find the following functions in the Shokz app:
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
25,451 ratings · Top 5%
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 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 Shokz: 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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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
Enhance offline capabilities with better management and more downloads.
Assumption to check: Limited offline listening options
Validate with people who use this workflow before building.
Hypothesis 2
Provide clearer information on subscription benefits and trial periods.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 3
Introduce social sharing options and collaborative playlists.
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Hypothesis 4
Improve search with filters and advanced options.
Assumption to check: Limited search functionality
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
You can find the following functions in the Shokz app: 1) Rich and powerful sound Enjoy built-in tuning for easy switching between sound modes, while the customizable equalizer allows you to tailor your music to your preferences. 2) Programmable buttons Assign touch buttons to the functions you use the most. 3) Effortless multipoint pairing The app allows you to simultaneously connect one pair of headphones to two Bluetooth devices. Additionally, you can easily switch and manage other Shokz headphones directly from the app. 4) Firmware upgrades Up-to-date firmware keeps your headphones in optimal condition, ensuring you get the best user experience. 5) Playback controls Adjust the volume, pause/play music, skip songs, and choose playback modes directly through the app. 6) Access information - Your headphones: Including headphone battery status, user manual, serial number, and additional details. - Shokz: Explore the brand story, service policy, and other relevant information. If you have any feedback, please visit the "About Us" section and select "Feedback" to share your comments with us. Note The Shokz app is compatible with OpenRun Pro, OpenFit, OpenFit Air, OpenSwim Pro, OpenRun Pro 2, OpenFit 2, OpenMeet, OpenDots ONE, OpenFit 2+, and OpenFit Pro. Please be aware that certain features may not be accessible on all products.
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 Navigation
Expo Audio
Expo FileSystem
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.
