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.
Create emotional stability and harmonious relationships.
$3.99 · In-app purchases
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.
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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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood: 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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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
Assumption to check: Limited variety of meditation content
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchase prompts can be intrusive
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to audio tracks
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Create emotional stability and harmonious relationships. This is one of a series of six meditation recordings by Glenn Harrold and Ali Calderwood, which are based upon the ancient Solfeggio musical scale. Each note in this scale has specific healing properties and this recording uses the fourth note, which resonates to a frequency of 639 Hz. This frequency works on connecting and harmonising relationships and deals with our perceptions of love. It can help you to change the way in which you interact with the world so that you bring more harmony and balance in your life and can help with issues around self-love and acceptance, loneliness and emotional stability. This recording contains two tracks, the first you can use in the daytime as it will guide you back to full waking consciousness at the end. The second track will guide you into a deep sleep state at the end, which makes it ideal for using before you go to sleep at night. When you are instructed to repeat affirmations, connect with positive feelings (e.g. happiness, joy, love), this will help you absorb the suggestions on a deeper level. You don’t have to repeat the affirmations out loud but do make a strong connection with them. This App includes: 639 Hz Solfeggio Sonic Meditation Audio Track 1 – 36:11 (awake version) 639 Hz Solfeggio Sonic Meditation Audio Track 2 – 42:11 (sleep version) FA 639 Hz Solfeggio Music Only Audio Track – 11:52 Solfeggio Chart Glenn Harrold's Self-Hypnosis e-Book. About the Ancient Solfeggio Scale and Healing Sounds e-Book How To Use This App e-Book About The Authors e-Book
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.