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
daily.spark
Daily Spark
$8.99 · In-app purchases
PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
9 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 daily.spark: map the core Health & Fitness 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
Add support for Apple Watch and other devices to track real-time data.
Assumption to check: Limited integration with wearables
Validate with people who use this workflow before building.
Hypothesis 2
Introduce gamification elements like challenges and rewards to keep users motivated.
Assumption to check: User engagement drops after initial use
Validate with people who use this workflow before building.
Hypothesis 3
Implement AI-driven recommendations based on user activity and goals.
Assumption to check: Lack of personalized insights
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
Daily Spark Personalized Daily Practice Receive personalized daily practices from your practitioner to help you stay connected, supported, and consistent between appointments. Description: Daily Spark helps you stay connected to your goals and the work you are doing with your practitioner through simple personalized daily practices. Most growth, healing, and transformation happen between appointments. Daily Spark provides gentle daily guidance designed to help you stay engaged, supported, and consistent as you move toward your goals. Your practitioner selects personalized daily practices based on your unique needs, helping you build meaningful habits one day at a time. Most practices take only a few minutes each day, making it easy to stay connected without feeling overwhelmed. WHAT YOU WILL EXPERIENCE Personalized Daily Practices Receive simple daily guidance selected specifically for you by your practitioner. Stay Connected Between Sessions Continue building on the progress and insights gained during your appointments. Gentle Daily Support Create consistency through manageable daily actions that fit into everyday life. Build Healthy Habits Small daily practices can help strengthen awareness, accountability, and positive routines over time. Progress Tracking Stay engaged and motivated as you build momentum toward your personal goals. Support for Your Journey Whether your focus is wellness, healing, mindfulness, personal growth, or self-care, Daily Spark helps you stay connected to what matters most. Examples of daily practices may include guided reflection, meditation, breathwork, affirmations, intentions, sound healing, and other practitioner-selected content. Small daily actions create meaningful change. Daily Spark helps turn meaningful moments into lasting habits through simple daily practice and ongoing support.
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
Supabase
react-native-paper
expo-router
BUILD KIT DIFFICULTY
Expert
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.
