App Overview

Jin Mobile icon

Jin Mobile

Murali Balaraman · Productivity

Talk, and Jin writes.

$17.99 · In-app purchases

PRICE
$17.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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.

Build your own version

Build Kit

Make this idea yours

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

First kit free with a verified email

Add to a Remix

Combine features and design from your favorite apps.

Kit ready. Verify your email to download it.

What's included16 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
Preview a sample Build Kit No email needed

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.

JavaScript is required to complete mailbox verification.

Free quick prompt For a smaller starting point

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 Jin Mobile: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

Preview ready. Verify your email to reveal and copy the full prompt.

JavaScript is required to complete mailbox verification. Return to this prompt preview.

Continue in Rork copies the full prompt to your clipboard first, then opens Rork in a new tab.

Continue in Rork >

Affiliate link: CloneChart may earn a commission at no extra cost

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

Implement guided onboarding to help users understand features.

Assumption to check: Lack of user-friendly onboarding

Validate with people who use this workflow before building.

Hypothesis 2

Introduce folders or tags for better task categorization.

Assumption to check: Limited task organization options

Validate with people who use this workflow before building.

Hypothesis 3

Add sharing options to collaborate on tasks with others.

Assumption to check: No collaboration features

Validate with people who use this workflow before building.

Hypothesis 4

Ensure smooth cloud sync across devices.

Assumption to check: Poor sync capabilities

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

Talk, and Jin writes. Jin turns your voice into clean text on your iPhone, in any of 100+ languages. A voice keyboard, a voice library, and now a live translator, all in one app. A voice KEYBOARD that types into any other app on your phone. Mail, Messages, Slack, Notes, Safari, anywhere with a text field. A voice LIBRARY that catches your thinking and keeps it safe with photos, places, due dates, and links to your other thoughts. And TALK, your live translator. Two people, each speaking their own language, on one phone. On iPhone, now on Apple Watch too, and on iPad with the iPhone app. THE KEYBOARD • Tap the rainbow mic and speak. Jin types your words into the app you're already in. • 4x faster than typing. • 100+ languages. Jin picks the best speech model for each one, all running on your iPhone. • Magic Formatting writes times, dates, money, units, phone numbers, and math the right way. • Pick a tone before you speak: Verbatim, Formal, Casual, Texting, or Excited. One tap to switch. • Lasso any text in any app and translate it inline. • Filler Words: Jin trims the ums and uhs for you. Add your own in any language. • Vocabulary, Snippets, Replacements, and Dictation Shortcuts teach Jin your names, brands, and habits. • Say "Hey Jin" to start recording when your hands are full. • Hinglish, Tanglish, Banglish, and Singlish: speak the mixed way you talk, and Jin writes it in English letters, keeping words like lah and shiok. THE LIBRARY • Tap the big rainbow button on the Home tab and speak. Jin saves your thought and titles it for you. • Capture from your wrist. Tap the Jin complication on your Apple Watch, speak, and it lands on your iPhone. • Free Flow Mode for long-form thinking. Speak as long as you like, transcribed in the background, and Stop is instant. • Smart Suggest files each thought into the folder it best fits. One tap to keep its pick, or change it. • Karaoke playback. Every word lights up as you hear it. • Attach photos and files to any thought. Or share a web page from Safari, Mail, or Messages straight in. • Scan a document into a thought. Highlight, redact, or clean it up right in the app. • Pin a place to a thought. Jin pings you when you arrive or leave. • Set the Urgency on a thought and tag the People it is about, then filter your Library by either. • Share a thought as a link or a file, with its audio and attachments included. • Folders, sub-folders, tags, and pins keep your library tidy. • Summarize a batch of thoughts by folder, tag, or date. • Non-English thoughts get an English translation, automatic. TALK • Two people, two languages, one phone. Each person taps their side and speaks. • Jin shows the translation and reads it aloud, so the conversation keeps moving. • Apple's on-device translation handles English language pairs. Add a Google Gemini key for many more. • Save your language pairs as presets, ready the moment you open Talk. INTEGRATIONS • Notion. One tap to connect, no secret tokens to paste. Your titles, transcripts, photos, files, due dates, and tags all flow to a Notion page. • Apple Calendar. Set a due date on a thought, and Jin adds it to your calendar. • Apple Reminders. Set a reminder on a thought, and it rings on every Apple device you own. • Hundreds more apps through Webhooks: Make, Zapier, n8n, then Google Sheets, ClickUp, Asana, Obsidian, and the rest. EVERYTHING ELSE • Everything runs on your iPhone by default. Your voice stays with you. • Optional cloud features, like advanced translation and natural voices, use your own key and only when you turn them on. • App Lock keeps your library behind Face ID. • Audio Retention: choose how long Jin keeps each recording, from a day to a year, or forever. The transcript always stays. • Your library is backed up to iCloud, automatically. • Built for iOS 27 and Apple Intelligence on a supported iPhone. • One-time purchase. No subscription. • No account needed. • Works offline. Open Jin and start talking.

Written user reviews are not shown here. Check current App Store reviews >

Screenshots

< Scroll to see more >

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
Zustand
react-native-gesture-handler
expo-router
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.