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.
Fall asleep easier, release anxiety, calm racing thoughts, and stay focused with science-backed sound therapy.
Free · 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.
First kit free with a verified email
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 Moongate: Binaural Beats: map the core Music workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Fall asleep easier, release anxiety, calm racing thoughts, and stay focused with science-backed sound therapy. Explore immersive binaural soundscapes, featuring: - Delta, Theta, Alpha, Beta, & Gamma (40 Hz) brainwave binaural beats - 432 Hz, 528 Hz, & other Solfeggio music - Pure binaural & isochronic tones - White, brown, green, & pink noise - Rain sounds - Ocean waves - Night ambience - Calming music 100% VERIFIED BINAURAL BEATS “After having used Binaurals over the past few years, I can tell which ones are good and which ones aren’t or are total fake. These are by far the best.” –User review We analyzed hundreds of the top streamed binaural beats and found that **most don’t even contain the frequencies they claim to provide**, while many make false, even dangerous claims. Moongate only offers authentic binaural beats, verified through audio analysis and backed by research. CUSTOMIZE YOUR EXPERIENCE “On Moongate you can actually hear the frequencies and control them. It feels way more effective and less sketchy.” –User review Unlike other apps and websites, Moongate lets you adjust the intensity of the active frequencies in each soundscape. With Backdrop mode, you can even play Moongate while listening to other apps, like podcasts, audiobooks, and meditations. Easily access your top soundscapes with Favorites and Playlists. Seamlessly integrate Moongate into your routines with Timers, perfect for sleep, meditations, or work sessions. DELTA + THETA (0.1-4 Hz): Fall Asleep Faster, and Stay Asleep Longer “My sleep has improved dramatically since using this app!” –User review If you suffer from insomnia or have racing thoughts at night, Moongate can help. Studies show binaural beats can promote faster sleep onset, fewer wake ups, and enhanced sleep quality. GAMMA + BETA (14-100 Hz): Boost Concentration “Moongate has been a game-changer for my focus” –User review If you struggle with procrastination or have trouble staying on task, our soundscapes can shift your mind to a more focused, productive state. For example, 40 Hz Gamma binaural beats have been shown in studies to improve attention and working memory. THETA + ALPHA (4-14 Hz): Release Stress and Anxiety “I’ve noticed a change in my ability to relax even when I’m not using them.” –User review Moongate’s Theta and Alpha frequency soundscapes help guide the mind to a state of peace and relaxation. Studies have shown binaural beats can relieve anxiety, reduce stress, and improve overall mood. THETA + ALPHA, continued: Enhance Meditation “This app has rich binaural beats that have helped with my meditation practice and sleeping tremendously” –User review Alpha brainwaves manifest during light meditation, while Theta brainwaves are present during the deepest meditative states. By inducing these brainwave patterns, binaural beats can facilitate more effective meditation sessions. HEALING FREQUENCIES (432 Hz, 528 Hz, etc): Sound Healing and Spirituality “10/10 would recommend for meditating, refocusing and rejuvenating your mind, body, and soul.” –User review Moongate offers a range of frequencies commonly used in spiritual practices: - 432 Hz, renowned for its pleasing, relaxing effects - 528 Hz, used in many applications, including relaxation and spiritual transformation - 396 Hz, for meditations focused on releasing guilt, fear, and other negative emotions - 417 Hz, symbolizing change and overcoming negativity - 639 Hz, for mindfulness around healthy relationships, empathy, and compassion - 741 Hz, often used for spiritual cleansing and renewal - 852 Hz, associated with intuition and spiritual connection with the universe START YOUR JOURNEY TODAY “I have used 20 different sound/meditation apps and I find these binaural beats to be the best!” –User review Step through the Moongate, and experience the difference for yourself. Your journey to better mental health begins now. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Written user reviews are not shown here. Check current App Store reviews >
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 offline functionality without a subscription
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Ads in free version disrupt user experience
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficult to discover new music
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited community features
Validate with people who use this workflow before building.
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.