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.
Oto is an app for people living with tinnitus, the ringing or buzzing you hear in your ears
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 Oto: Tinnitus Sounds & Support: map the core Medical 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.
Oto is an app for people living with tinnitus, the ringing or buzzing you hear in your ears. You get it through a participating audiology clinic, and your audiologist stays involved while you use it. At the center of the app is a library of calming sounds you can listen to any time, day or night. Around the sounds sit short guided sessions and lessons about tinnitus. What's in the app • Calming sounds: white, pink and brown noise, nature and environmental sounds, and layered soundscapes you can mix yourself • Volume control and an optional sleep timer, so you can leave sounds running overnight • Short guided sessions of about 5 to 10 minutes, drawing on cognitive behavioral techniques. They sit alongside the sounds, as part of the plan your clinic sets up • Short lessons about tinnitus, so you understand what is going on and why • Optional reminders, private notes, and simple progress tracking you and your audiologist can look at together How you use it 1. Your audiologist sets up your account and shows you where to start 2. Listen to the sounds when you want them, and work through the sessions at the pace you agree together 3. Your audiologist reviews how you are getting on and adjusts your plan How do I get Oto? Oto comes as part of a tinnitus care plan from a participating audiology clinic. There is no separate app subscription to buy. If your audiologist or ENT has not mentioned Oto, ask them about it. You can also find a participating clinic here: https://joinoto.com/providers What does it cost? Your clinic sets the price of the care plan, and the Oto app is included. Your clinic also sets how long you keep access: most give around 12 months, and some give lifetime access. Full detail here: https://joinoto.com/pricing Important information Oto provides self-guided wellbeing content. It is not a medical device and is not intended to diagnose, cure, mitigate, treat, or prevent tinnitus or any disease or condition. Oto does not replace professional care. In an emergency, call 911 (or your local emergency number). Privacy We use appropriate technical and organizational safeguards and do not sell personal data. See our Privacy Policy at https://joinoto.com/privacy and our Terms of Use at https://joinoto.com/terms.
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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 content on managing tinnitus effectively
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Navigation can be confusing with too many options
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User engagement decreases over time
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription model can be unclear
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.