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
BetterReminders
Tired of missing calendar notifications? BetterReminders is the app for you!
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
6 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 included16 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 BetterReminders: 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
Implement a more intuitive interface for setting up recurring tasks.
Assumption to check: Users find it difficult to manage recurring tasks.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to add subtasks and checklists within projects.
Assumption to check: Limited project tracking features.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance search functionality with advanced filters.
Assumption to check: Difficulty in finding specific tasks quickly.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce shared projects and task assignments for team collaboration.
Assumption to check: No collaboration features.
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
Tired of missing calendar notifications? BetterReminders is the app for you! BetterReminders is a reminders app which provides voice-narrated alarms that tell you exactly which event is coming up -- all without picking up your device! Our easy-to-navigate user interface allows you to set up a reminder in seconds! How it works: Type in a reminder, pick a time, and you’re all set! It’s hassle-free -- no need to record or find audio files -- BetterReminders will handle everything! When it's time to remind you, BetterReminders will ring first, then read out your reminder to let you know which event is coming up. Finished a task early? Mark a reminder as “completed” and the alarm will automatically cancel! BetterReminders supports unlimited one-time and repeating reminders! Notes • Audio will play for up to 30 seconds if your phone is locked and up to 5 seconds if your phone is unlocked. • Supports 7 unique ringtones. • Supports Dark Mode. • Optimized for both iPhone and iPad.
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
Zustand
react-navigation
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.
