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.
Punchy is a hands-free striking coach built for solo training
$4.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Punchy - Boxing Callouts: map the core Sports workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulties in content discovery
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalization options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Absence of tutorials or guides
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Punchy is a hands-free striking coach built for solo training. Start a session, hear the callouts, and stay focused on your movement, rhythm, and technique. Whether you train on the heavy bag or shadow box, Punchy helps you structure rounds, follow audio cues, and build consistency with clear, guided workouts. What you can do with Punchy: • Follow real-time audio strike callouts during your rounds • Train with Boxing, Kickboxing, and Muay Thai sessions • Use quick-start presets or build your own custom workouts • Adjust rounds, work/rest timing, stance, intensity, and strike selection • Learn strikes step by step with guided practice • Track your workout history and training totals • Train offline without relying on a network connection Real-voice callouts: Punchy uses character-driven voice packs to make training feel alive. Choose from voices like Goku, Vegeta, and Kombat for clear, energetic strike callouts that bring more personality to every session. It is a distinctive part of the Punchy experience and gives your workouts a level of style and motivation that typical timer apps do not offer. Blends with your music: Punchy is designed to work alongside your music so your training flow does not get interrupted. Audio cues blend into your session while your own music keeps playing in the background, giving you guidance without forcing you to choose between coaching and your playlist. Built for real training: Punchy is designed for people who want a simple, focused training tool that works in the gym, at home, or wherever they train. The experience is built around fast access, clear structure, and audio-first coaching. Great for: • Beginners building striking fundamentals • Solo heavy bag sessions • Shadow boxing practice • Structured conditioning rounds • Learning and drilling individual strikes and combos Have ideas or a query? Email us: [email protected] Learn more about Legend, strength training, routines, and more: http://legend-tracker.com By installing and using Legend you must agree to the Terms of Use (EULA) found here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ & here: https://viszen.tech/#terms
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.