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
HabitLead
Build habits that actually stick — privately, on your iPhone and Apple Watch.
$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.
Build your own version
Build Kit
Make this idea yours
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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 HabitLead: 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 gamification features like rewards and challenges.
Assumption to check: Users find it hard to stay motivated over time.
Validate with people who use this workflow before building.
Hypothesis 2
Add features for users to share their progress with friends.
Assumption to check: Limited social sharing options.
Validate with people who use this workflow before building.
Hypothesis 3
Provide flexible reminder settings for users to tailor their experience.
Assumption to check: Difficult to customize reminders.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance analytics with more engaging visual representations.
Assumption to check: Lack of visual appeal in analytics.
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
Build habits that actually stick — privately, on your iPhone and Apple Watch. HabitLead is a calm, focused habit tracker built on one simple idea: your habits are yours. No account to create, no servers collecting your data, no tracking. Everything lives in your own private iCloud, where only you can see it. Track what matters to you and watch your streaks grow — right from your wrist. SIMPLE TO START, EASY TO KEEP Add a habit in seconds — start from a template or build your own Track yes/no habits or count-based goals (glasses of water, minutes walked, pages read) Check off habits from your iPhone or straight from your Apple Watch Watch your streak grow with every day you show up REMINDERS THAT FIT YOUR DAY Set multiple reminders per habit, at the times that work for you "Space them out" automatically spreads reminders evenly across your day Gentle, encouraging notifications — never nagging Reminders reach you on your wrist, so you never miss a beat BUILT FOR APPLE WATCH A full companion app, not an afterthought See today's habits and check them off in a tap Your progress syncs seamlessly between iPhone and Watch through iCloud SEE YOUR PROGRESS A clean Today view that shows exactly what's left Calendar and stats to see your consistency over time Streaks and history that make showing up feel rewarding PRIVATE BY DESIGN This is the part we care about most. HabitLead stores everything in your own private iCloud account using Apple's CloudKit. We have no servers of our own, so your habit data never passes through us — we literally cannot see it. There are no accounts, no ads, and no tracking. Your habits stay between you and your devices. YOURS TO KEEP HabitLead is free to use with up to 3 active habits, forever. Your full history is always available — we'll never lock you out of your own data. Want more? HabitLead Unlimited removes the limit so you can track as many habits as you like, with a free trial to start. If you ever stop, your habits and history are kept safe — just choose which 3 stay active, and the rest wait for you. Start small. Stay consistent. Keep it private. Download HabitLead and build the habits you actually want — one day at a time. Terms of Use (EULA): https://habitlead.com/terms Privacy Policy: https://habitlead.com/privacy
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
Chart.js
Zustand
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.
