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
Soft Pomodoro - Focus Timer
Soft Pomodoro is a beautiful Pomodoro timer for iPhone that helps you stay focused in a calm, aesthetic way.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 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.
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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Make it yours Optional
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/
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 Soft Pomodoro - Focus Timer: 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 define custom session and break lengths.
Assumption to check: Lack of customization for timer lengths
Validate with people who use this workflow before building.
Hypothesis 2
Introduce a visual timer or animation during break periods.
Assumption to check: No visual feedback during breaks
Validate with people who use this workflow before building.
Hypothesis 3
Provide more insights into productivity trends over time.
Assumption to check: Limited historical data tracking
Validate with people who use this workflow before building.
Hypothesis 4
Implement push notifications to remind users when to take breaks or start new sessions.
Assumption to check: No reminders for breaks or session starts
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
Soft Pomodoro is a beautiful Pomodoro timer for iPhone that helps you stay focused in a calm, aesthetic way. It is based on one of the most effective study methods called the Pomodoro Technique where you have 25 minute focus sessions and a 5 minute break. You're breaking down large, daunting tasks into 25 minutes approachable bite-size pieces and you can do anything for 25 minutes. Set a daily goal, track your streak, and build healthy habits over time. A clean timer, Lock Screen Live Activity, gentle notifications, and a monthly heat map keep you in flow without clutter. Make it yours with four hand-crafted themes: Strawberry, Peach, Blueberry, and Lavender. Features: live progress ring, Lock Screen Live Activities, 4 soft themes, daily session goals, streak tracking, monthly heat map, customizable focus and break durations, auto-start break and focus modes, sound effects, and gentle notifications.
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
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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.
