App Overview

toPhonetics Converter icon

toPhonetics Converter

Mu-sonic · Education

toPhonetics is an app that provides fully interactive transcriptions of English texts

$3.99 · In-app purchases

PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.4
92 ratings · Top 30%

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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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.

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.

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for toPhonetics Converter: map the core Education 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

Expand to support more languages and dialects.

Assumption to check: Limited conversion options for languages.

Validate with people who use this workflow before building.

Hypothesis 2

Implement offline mode for conversions.

Assumption to check: No offline functionality.

Validate with people who use this workflow before building.

Hypothesis 3

Add user accounts for saving preferences and history.

Assumption to check: Lack of user personalization features.

Validate with people who use this workflow before building.

Hypothesis 4

Integrate voice recognition for text input.

Assumption to check: No voice input feature.

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

toPhonetics is an app that provides fully interactive transcriptions of English texts. It displays your input's phonemic transcription using the International Phonetic Alphabet (IPA) and allows you • to listen to it read aloud visually, following the narration with a cursor, • to quickly check the translation of individual words or selected fragments (requires iOS 18+), • to export and share the transcription results in various formats including PDF (via the Print option), • to export the audio of the text read using your chosen voice and speech rate. And much more: - See phonetic transcription of the whole text, not just the dictionary forms of separate words. - Choose between British and American* pronunciation. When British dialect is selected the [r] sound at the end of the word is only voiced if followed by a vowel, which follows British phonetic convention. - International Phonetic Alphabet (IPA) symbols used. - The structure of the text and sentences in it (line breaks, punctuation marks, etc.) is preserved in phonetic transcription output making it easier to read. - You can output the text and its phonetic transcription along each other line-by-line to make back-reference to the original text easier. - An option to vary pronunciation depending on whether words are in stressed or weak position in the sentence, as in connected speech. Weak forms are italicized in the output. - Words in CAPS are interpreted as acronyms if the word is not found in the database. Acronym transcriptions will be shown with hyphens between letters. - In addition to commonly used vocabulary the database contains a very substantial amount of place names (including names of countries, their capitals, US states, UK counties), nationalities and popular names. - Where a word has a number of possible pronunciations (highlighted in blue in the output) you can select the one that agrees with the context by tapping on it. - Print out the output results, share via email or copy to pasteboard. - Let the built-in speech synthesiser read your text out loud. Control the playback and follow IPA transcription of the current word with a highlight. Speech audio can be exported as a file. - Custom URL scheme to open toPhonetics from 3rd-party apps. Gestures (IPA transcription screen): 1. Single tap - Tap a word to set the cursor to it and speak it (you can mute/un-mute it with the button at your bottom-right). - Tap in a blank space to stop speech and hide the cursor. 2. Double-tap - Double-tap a word to open it in the built-in dictionary; if the word has multiple pronunciations you'll see the list of them first. - Double-tap in a blank space to reset the font to the size set in iOS preferences. 3. Pinch in or out to make the text smaller or larger. 4. Start to slide horizontally to select a part of your text. The Speak button respects current selection. *) American transcriptions are based on the open Carnegie Mellon University Pronouncing Dictionary.

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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
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Zustand
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Axios
BUILD KIT DIFFICULTY
Intermediate

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.