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
Simple Sober Tracker
Simple Sober Tracker helps you build sober streaks with clarity and calm
$2.99 · In-app purchases
PRICE
$2.99
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
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A product spec, screen plans, and build steps for your coding agent.
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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 included16 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 Simple Sober Tracker: 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
Include community challenges and user interaction.
Assumption to check: Limited user engagement features compared to social apps
Validate with people who use this workflow before building.
Hypothesis 2
Integrate daily motivational quotes or messages.
Assumption to check: Lack of motivational content
Validate with people who use this workflow before building.
Hypothesis 3
Add charts and milestones tracking.
Assumption to check: No data visualization for progress tracking
Validate with people who use this workflow before building.
Hypothesis 4
Implement notifications for daily goals.
Assumption to check: No reminders or notifications for sobriety goals
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
Simple Sober Tracker helps you build sober streaks with clarity and calm. Track your sober days with a precise, DST‑safe countdown; see money saved and calories avoided; celebrate milestones; jot quick journal entries; and lean on built‑in motivation and craving tools when you need them most. Fast, private and distraction‑free. - No hidden fees - No ads - No in‑app purchases - No subscriptions - Your data stays on your device - No accounts, no tracking, no analytics - No nagging review requests Live counter and countdown - Precise, daylight‑saving‑safe countdown - Preview your next milestone with progress and ETA Milestones - Milestone Detail View: snapshot, wins, hurdles, playbook, signals to watch, next waypoint and celebration tips Health & savings - Track money saved and calories avoided - Choose your preferred currency Motivation library - Curated quotes; add your own; favourite what resonates Craving Mode - Guided 4‑4‑6 breathing, 5‑4‑3‑2‑1 grounding, 2‑minute urge timer and quick journal prompts Journal - Log moods and notes; see recent entries at a glance Personalisation - Multiple themes (Dark/Light, Monokai, Solarized, Dracula, Midnight, iOS) - Language selection
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
react-navigation
expo-chart
Firebase
BUILD KIT DIFFICULTY
Starter
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.
