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
TDInput
Your body is an input device
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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/
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 TDInput: map the core Developer Tools 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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
Your body is an input device. TDInput streams every sensor on your Apple Watch AND iPhone directly into TouchDesigner as live CHOP channels — no custom hardware, no complex setup. Tilt your wrist to rotate geometry. Let your heartbeat drive particle systems. Scroll the Digital Crown to scrub a timeline. Wave your phone to control camera angles. TDInput turns natural body movement into creative control. APPLE WATCH SENSORS • Wrist Orientation — pitch, roll, and yaw at 50Hz • Acceleration — raw hand movement with gravity removed • Gravity Vector — which way is down relative to the watch • Rotation Rate — angular velocity on each axis • Heart Rate — live BPM via workout session • Digital Crown — precise tactile scroll input iPHONE SENSORS • Device Motion — full 6-axis orientation and acceleration at 50Hz • Magnetometer — calibrated compass heading on three axes • Barometric Altitude — relative elevation changes and atmospheric pressure • Battery Level — use charge state as a slow-changing creative input HOW IT WORKS 1. Open TDInput on your iPhone and enter your Mac's IP address. 2. In TouchDesigner, drop in an OSC In CHOP set to port 9000. 3. Open TDInput on your Apple Watch and tap Start. 4. Toggle iPhone Sensors on for phone data. 5. 30+ channels appear instantly in TD. No pairing codes, no Bluetooth dongles, no plugins. Standard OSC over your local Wi-Fi — the same protocol TD already speaks. BUILT FOR • TouchDesigner artists and creative coders • Live performance and interactive installations • VJs and real-time visual performers • Educators teaching sensor-driven art • Anyone exploring embodied interaction FULL OSC ADDRESS MAP Watch: /watch/motion/pitch,roll,yaw • /watch/accel/x,y,z • /watch/gravity/x,y,z • /watch/rotation/x,y,z • /watch/heart/bpm • /watch/crown/delta Phone: /phone/motion/pitch,roll,yaw • /phone/accel/x,y,z • /phone/gravity/x,y,z • /phone/rotation/x,y,z • /phone/magnetic/x,y,z • /phone/altitude/relative,pressure • /phone/battery/level All values arrive as standard OSC floats — wire them into selectCHOP, filterCHOP, and mathCHOP like any other channel. PERFORMANCE 50Hz motion updates give smooth, responsive control. Watch battery lasts approximately 4-5 hours of continuous streaming. The app uses a HealthKit workout session to keep sensors active. Questions or feature requests? We'd love to hear from you.
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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
RevenueCat
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.
