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
DayPic-Photo Diary & Journal
Capture your day
$1.99 · In-app purchases
PRICE
$1.99
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 included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 DayPic-Photo Diary & Journal: 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
Implement better categorization and tagging features.
Assumption to check: Difficulty in organizing entries over time
Validate with people who use this workflow before building.
Hypothesis 2
Add social sharing features to enhance user engagement.
Assumption to check: Limited sharing options for entries
Validate with people who use this workflow before building.
Hypothesis 3
Introduce daily reminders for users to log their entries.
Assumption to check: User engagement may decline without reminders
Validate with people who use this workflow before building.
Hypothesis 4
Provide a robust free version to attract more users.
Assumption to check: Subscription may deter users
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
Capture your day. One pic at a time. Daypic is a photo diary and daily journal app that helps you document everyday moments through photos, music, writing, and voice. Whether you're looking for a personal journal, a photo journal, or a simple daily diary — Daypic makes it easy to build your own story, one day at a time. [Features] - Today's Shot Pick one photo that captures the mood of your day. Your daily photo diary starts here. - Today's Track Save the song that defined your day. Search and add tracks easily with Spotify. - Today's Story Write a few lines in your personal journal. Short or long — it's your space to reflect. - Today's Voice When words aren't enough, record your thoughts out loud. A voice journal for the moments that are hard to put into words. - Daily Question A new question every day to help you reflect a little deeper in your daily journal. - Photo Calendar Watch your photo diary fill up day by day into a beautiful photo calendar. See your month at a glance. - Monthly Report Every 1st of the month, review your journaling habits — when, how often, and what words you used most in your daily journal. - Monthly Collage Your daily photos come together into one stunning photo collage at the end of every month. Start your photo diary today. One pic, one day, one story. [Permissions] Required: None Optional: Notifications: Daily reminders & monthly report alerts Camera/Photos: For adding your daily photo Microphone: For voice journal recording Face ID/Biometrics: For app lock All permissions are optional. You can use Daypic without granting any of them.
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
Supabase
react-navigation
expo-image-picker
react-native-calendars
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.
