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
Weple Diary
Weple Diary helps you to realize your goal by managing your everyday efforts.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
13 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 Weple Diary: map the core Productivity 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
Allow users to customize layouts, fonts, and colors.
Assumption to check: Limited customization options for diary entries.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a tagging feature to filter and categorize entries.
Assumption to check: No tagging system to organize entries.
Validate with people who use this workflow before building.
Hypothesis 3
Add reminder notifications for users to write entries.
Assumption to check: Lack of reminders or notifications for entries.
Validate with people who use this workflow before building.
Hypothesis 4
Improve offline capabilities for users to write and access entries.
Assumption to check: Offline access is limited.
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
Weple Diary helps you to realize your goal by managing your everyday efforts. This new type of diary application helps you to make to-do-list of what has been vague and postponed into concrete goal and methods; and check and manage them every day. With Weple Diary, please realize your goals such as study, diet, financial plan, and non-smoking steadily every day. Your dreams and goals will come true. e.g. [10kg diet (weight loss)] - go to swimming pool at 8 (Tuesday, Thursday, and Saturday) - skip dinner (every day) -mountain climbing (Saturday) * main functions - creation of goal diary, and change of icon and color - making everyday To-do-list and scoring (through *), making logs - marking achievement (*) in the to-do list monthly, checking record on a selected date - making specific plans for short, mid, and long-term goals - providing statistical function depending on goal achievement and progress - checking Today’ To-do list and overall achievement (*) - providing area of the entire goal, and achievement statistics function - codification and locking - backup and restoration - alarm of to-do list, badge
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 Navigation
Expo
Zustand
React Native Paper
Firebase
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.
