App Overview

Rylo: Live Call Captioning icon

Rylo: Live Call Captioning

Nagish Inc. · Utilities

Phone calls made accessible.

Free

PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
4.6
3,564 ratings · Top 15%

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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A product spec, screen plans, and build steps for your coding agent.

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What's included15 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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Quick prompt

> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Rylo: Live Call Captioning: map the core Utilities 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

Competitive pricing with generous free tier

Assumption to check: Expensive subscription

Validate with people who use this workflow before building.

Hypothesis 2

Focus on most-requested features first

Assumption to check: Missing features

Validate with people who use this workflow before building.

Hypothesis 3

Optimize for 60fps, fast load times

Assumption to check: Poor performance

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

Phone calls made accessible. Rylo provides real-time, AI-powered call captions on every phone call for anyone who is deaf or has hearing loss. Captioned calls are private and accurate. MAKE AND RECEIVE ANY CALL Rylo works like your native phone app, but with speech-to-text call captions. If you prefer to type your responses, you can choose a voice and use our text-to-speech feature. No interpreters. No relay services. No strangers listening in. LIVE CAPTIONS FOR REAL LIFE Our built-in feature, Rylo Live Transcribe, captions in-person conversations instantly: family dinners, doctor's appointments, airports, or anywhere else you don't want to miss a word. YOUR PRIVACY IS PROTECTED Captions are generated with end-to-end encryption. No human involvement. No one reading your calls but you. BUILT FOR THE DEAF COMMUNITY, BY THE DEAF COMMUNITY Rylo was built with direct input from the Deaf and hard of hearing communities. Every feature exists because someone in the community needed it. Accessibility matters. KEY FEATURES ■ Live caption calls with transcripts ■ Live captioning for in-person moments (Rylo Live Transcribe) ■ Personal dictionary for custom words and phrases ■ Quick keyboard responses as needed ■ Visual voicemail ■ Save transcripts privately on your device ■ Multilingual captioning: English, Spanish, French, Japanese, Hebrew, Italian ■ Built-in spam filter and call blocking ■ Profanity blocker ■ FCC certified "Rylo is the true definition of a game-changer. Their goal is to ensure effective and smooth communication." — Verified user "I was able to make a phone call myself. I set up my own appointment. I could clearly read every word the recipient was saying to me. I explained to her I was deaf and I was using closed captioning. It was amazing. Thank you Rylo for allowing me to be more independent." — Verified user Download Rylo. Make calls with confidence. For more: https://rylo.com/ Support: https://help.rylo.com/en/ FEDERAL LAW PROHIBITS ANYONE BUT REGISTERED USERS WITH HEARING LOSS FROM USING INTERNET PROTOCOL (IP) CAPTIONED TELEPHONES WITH THE CAPTIONS TURNED ON. There is a cost for each minute of captions generated, paid from a federally administered fund. There are also eligibility requirements and a cost, paid by a federally administered fund for each minute of IP Relay service. Emergency calling through Rylo works similar to, but not the same as, calling 911 directly through a landline. It is important to keep your Rylo Registered Location updated.

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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
RevenueCat
BUILD KIT DIFFICULTY
Advanced

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.