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
One - Do One Thing Today
One priority
$4.99
PRICE
$4.99
No 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 included14 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 One - Do One Thing Today: 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
Incorporate gamification elements like rewards for task completion.
Assumption to check: Users may find it hard to stay motivated to complete daily tasks.
Validate with people who use this workflow before building.
Hypothesis 2
Add customizable reminders and notifications.
Assumption to check: Lack of reminders can lead to missed tasks.
Validate with people who use this workflow before building.
Hypothesis 3
Implement recurring task options.
Assumption to check: Limited task management features for repetitive tasks.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance the history view with analytics on completed tasks.
Assumption to check: The history view might not provide enough insights.
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
One priority. One day. Get it done. One is a minimalist focus app built around a single daily ritual: choose tomorrow's most important task tonight, wake up with clarity, and complete it. THE DAILY RITUAL • One task per day — no lists, projects, folders, or clutter • Set today's priority or plan tomorrow's before bed • Guided flow: Start Focus → Complete Today • Optional "why it matters" note for each day STAY ON TRACK • Evening reminder: "What is tomorrow's one thing?" • Morning reminder shows today's task when delivered • Mid-day progress check-in and end-of-day nudges when you're still working • Yesterday rollover when last day's task needs closure • Home Screen, Lock Screen, Watch, and Mac widgets • Tap to complete from supported widgets and watch complications LOOK BACK WITHOUT GUILT • History — search and filter past days • Calendar — month view with calm, neutral missed-day styling • Reflect — weekly, monthly, quarterly, and yearly prompts • Stats — focus days, completion rate, streaks, month and year charts EVERYWHERE YOU WORK • iPhone and iPad with the same calm tab layout • Apple Watch today companion with guided completion • Mac sidebar app, menu bar quick actions, and desktop widget • Optional iCloud sync across your Apple devices YOUR DATA, YOUR CHOICE • Works fully offline with on-device storage • Export your data anytime (JSON) • Delete all data from the app when you want • No account signup. No ads. No subscription. One is a one-time purchase. Buy once, use on all your devices signed into the same Apple ID.
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.
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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.
