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
Alarm Clock Pro - Music, Sleep
Wake up to your favorite music feeling refreshed, view weather conditions in your area, go to sleep gently listening to soft sounds of nature, turn your iPhone or iPod touch into a beautiful digital clock, and light u...
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
98 ratings · Top 30%
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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Combine features and design from your favorite apps.
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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 Alarm Clock Pro - Music, Sleep: map the core Utilities 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
Implement a more guided setup process for alarms.
Assumption to check: Difficult to navigate through multiple alarm settings.
Validate with people who use this workflow before building.
Hypothesis 2
Provide users with the ability to upload their own sounds.
Assumption to check: Limited customization options for alarm sounds.
Validate with people who use this workflow before building.
Hypothesis 3
Add calendar sync features for easier planning.
Assumption to check: No integration with other calendar apps.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance testing around timer functionality to ensure reliability.
Assumption to check: Occasional bugs with timers not functioning as expected.
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
Wake up to your favorite music feeling refreshed, view weather conditions in your area, go to sleep gently listening to soft sounds of nature, turn your iPhone or iPod touch into a beautiful digital clock, and light up the darkness with a powerful built-in flashlight. That's this Alarm Clock app! KEY FEATURES: • Select from gorgeous designer themes on the big LCD clock (Blue, Cyan, Green, Orange, Pink, Red and Yellow) • An elegant flip clock included for those who like variety • Create your own wake-up playlist with the best music. Choose from 46 pre-supplied alarm sounds or select multiple songs from your own iPod music • Background alarm support: alarm will ring even if the app is closed & your device is locked • Don't let bad weather take you by surprise. Stay up to date with your live weather conditions • Go to sleep gently listening to soft sounds of nature. Music fades-out & turns off automatically after your predefined time period • Support for both landscape and portrait modes • Shake your device or tap the torch button to switch on the flashlight • Adjust the screen brightness by just swiping your fingers • Convenient app settings allows you easy access to all app options CLOCK • Gorgeous color LCD display: Blue, Cyan, Green, Orange, Pink, Red and Yellow • Landscape and portrait modes • 12 or 24 hour time formats • Show/Hide seconds • Show/Hide date • Customizable auto-lock time • Auto Lock when on battery ON/OFF • Auto Lock when charger plugged in ON/OFF ALARM • Wake up to your favorite music • 46 built-in alarm sounds • Super big Stop/Snooze Alarm buttons • Customizable Snooze time duration • Shake to Snooze option • Setup unlimited alarms with different tunes • Background alarm support: alarm will ring even if the app is closed & your device is locked • Adjustable volume of alarm • Alarm music Fade-in option • Vibrate option • Next alarm time displayed on main screen • Each alarm's next fire time displayed in alarms screen SLEEP TIMER • Beautiful matching theme of sleep timer with the clock • Listen to beautiful sounds of nature & environment like Rain, Ocean, Waves, Stream, Water, Shower, White Noise, Pink Noise, Train, Fan, Heater etc. • Option to create your own sleeping playlist from iPod Music • Shuffle music ON/OFF • Sleep timer music Fade-out option • Adjustable volume of Sleep timer music WEATHER • View live weather conditions and temperature • Automatic detection of your current location and weather conditions for your area • Weather information is provided by the industry leader, Weather Underground • Support for both Fahrenheit and Celsius display • Show Weather ON/OFF FLASHLIGHT • Shake your device or tap the torch button to switch on the flashlight SUPPORT • Got any questions or have a suggestion to share, shoot us an email at [email protected]
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
react-navigation
@react-native-picker/picker
react-native-modal
expo-av
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.
