App Overview

Myrna & Judith: Bill Tracker icon

Myrna & Judith: Bill Tracker

Stephen Siapno · Finance

Your crew for bills

$2.99 · In-app purchases

PRICE
$2.99
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.

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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 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 Myrna & Judith: Bill Tracker: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Your crew for bills. Know what's due before payday. Myrna & Judith turns your bills and paydays into a crew that looks out for you. No account and no bank login: your bills stay on your phone. MEET THE CREW • Judith keeps your bills. Her corkboard pins what's due next, and paid bills turn into receipts. • Myrna knows when payday comes. Her calendar circles your paydays and shows which bills each paycheck has to cover. • Insight sees your whole month. His TV shows what's paid, what's left and how next month compares. BILLS BY PAYDAY See what's due before your next payday and what comes after. Paid twice a month or once a month, the crew plans around your paydays. A NUDGE BEFORE EVERY DUE DATE Pick when you want to be reminded. Reminders are planned ahead, and tapping one opens that bill. ONE TAP, BILL PAID Mark a bill paid in one tap. Can't pay yet? Judith reminds you again, or add it to the next bill. Paid by mistake? Undo. MADE FOR REAL BILLS • Quick add, or step by step with Judith • Bills that change, like electricity or water: give a guess, then add the real amount when the bill comes • Pause, skip, edit or archive any bill • All paid until payday? Pay ahead • Amounts in your currency's sign, like ₱41,468 • Widgets for your Home Screen: Judith's corkboard, Myrna's calendar and Insight's TV PRIVATE BY DESIGN No account, no bank login. Your bills and paydays are stored on your phone, and the app works offline. Crash reports help keep the app stable, and usage analytics help make it better. You can turn usage analytics off in Settings. A WORLD THAT FEELS LIKE HOME Each of the crew has a world of their own, with a sleeping cat, a robot vacuum and a jeepney going by. The worlds dress up for the seasons, starting with Halloween. And more friends are on their way. Questions or ideas? Email [email protected].

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

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 a more visual account overview with graphs.

Assumption to check: Users find it difficult to track multiple accounts.

Validate with people who use this workflow before building.

Hypothesis 2

Simplify budget creation with templates and guides.

Assumption to check: Budget tracking can be complex.

Validate with people who use this workflow before building.

Hypothesis 3

Use machine learning to improve categorization accuracy.

Assumption to check: Transaction categorization is often inaccurate.

Validate with people who use this workflow before building.

Hypothesis 4

Add reminder notifications for logging expenses.

Assumption to check: Users forget to log expenses.

Validate with people who use this workflow before building.

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
Victory Native
React Navigation
Zustand
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.