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
TOODL Timer
TOODL is your smart, GPS-based departure timer and ETA assistant that tells you the exact moment to leave so you always arrive on time.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
15 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.
Build your own version
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 TOODL Timer: map the core Lifestyle 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
Offer advanced features like multiple timers, themes, and sounds.
Assumption to check: Users often find timer apps too simplistic and lacking customization options.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a dashboard to view and control multiple timers at once.
Assumption to check: Difficulty in managing multiple timers simultaneously.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize notifications with sounds and vibrations.
Assumption to check: Limited notification options for timer alerts.
Validate with people who use this workflow before building.
Hypothesis 4
Ensure a clean, straightforward design with clear instructions.
Assumption to check: Confusing user interfaces in some timer apps.
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
TOODL is your smart, GPS-based departure timer and ETA assistant that tells you the exact moment to leave so you always arrive on time. Whether it is your daily commute, a flight, a meeting, or picking up the kids, TOODL monitors live traffic, road incidents, and delays in the background to dynamically adjust your leave-by time. Simply enter your destination and desired arrival time—TOODL handles the rest with real-time countdown alerts and instant map launch. Key Features - Dynamic Departure Calculations: Real-time route monitoring automatically recalculates your leave time as traffic conditions and congestion change. - Live Traffic & Delay Monitoring: Stay ahead of sudden accidents, road closures, and traffic jams before you even step out the door. - Live Circular Countdown Timer: A clean, visual countdown display that tracks every minute and second until it is time to head out. - Smart "Time to Leave" Voice Alerts: Receive crystal-clear audible reminders the moment your timer hits zero: "It’s now time to leave!" (Note: ensure your device is not on Silent or Do Not Disturb). - One-Tap Apple Maps/Google Map Navigation: Seamlessly launch Apple Maps or Google Map and start turn-by-turn directions to your destination. - Clear Route & ETA Insights: Instantly view your current travel time, live ETA, and optimal leave-by time in one streamlined dashboard. - Reliable Departure Notifications: Custom alerts keep you prepared so you can focus on what you are doing without constantly watching the clock. Why Choose TOODL? - Commute Stress-Free: Stop guessing how long traffic will take. - Stay Focused: Enjoy your morning routine or wrap up work knowing your departure alarm has you covered. - Minimalist & Battery Efficient: Fast setup, intuitive interface, and lightweight background tracking. Download TOODL today and make being on time effortless.
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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
Zustand
react-navigation
expo-av
react-native-gesture-handler
BUILD KIT DIFFICULTY
Intermediate
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.
