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
Disfluency Index Counter Plus
The easiest, cheapest and most advanced way to track your %SS (Percentage of stuttered syllables).
$19.99 · In-app purchases
PRICE
$19.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
1 ratings · Below Average
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 included17 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 Disfluency Index Counter Plus: 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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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 to motivate users.
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Offer a freemium model with essential features for free.
Assumption to check: High price point for users
Validate with people who use this workflow before building.
Hypothesis 3
Create a community forum for users to share experiences and tips.
Assumption to check: Lack of community support or resources
Validate with people who use this workflow before building.
Hypothesis 4
Implement advanced analytics and visualizations for better insights.
Assumption to check: Basic data visualization
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
The easiest, cheapest and most advanced way to track your %SS (Percentage of stuttered syllables). The Disfluency Index Counter app allows Speech and Language Therapists to perform a live count of the number of fluent or disfluent syllables. This application comes with two styles of counters: A simple and an advanced counter. The simple version of the Disfluency Index Counter uses two simple buttons that record the amount of times the SLP pushes the buttons. There is an "F" button for a Fluency Syllable & and a "D" button for a disfluent/stuttered syllable. A live track of the total number of syllables recorded is shown on the main screen as well as the number of fluent and disfluent syllables/words entered. Once you are finished with your data collection you press "Done" to see the results. Disfluency Index Counter provides the following results: 1. Total number of words/syllables: 2. Number of fluent words/syllables: 3. Number of disfluent words/syllables: 4. The percentage of fluent words/syllables: 4. The percentage of disfluent words/syllables. The advanced counter allows therapists to specifically identify the types of disfluencies exhibited by the client. The SLP can choose from Block, Prolongation or Repetition. Speech Therapists can easily e-mail or print the results to themselves. It saves you time and makes figuring out the % of stuttered syllables a lot easier- we do it for you!
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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
Supabase
@supabase/supabase-js
React Navigation
expo-av
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.
