App Overview

Loose Money Log icon

Loose Money Log

YUKI ISHINO · Finance

Loose Money Log

$3.00 · In-app purchases

PRICE
$3.00
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 included

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 Loose Money Log: 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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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 automatic transaction tracking via bank linking.

Assumption to check: Users often find it cumbersome to input transactions manually.

Validate with people who use this workflow before building.

Hypothesis 2

Allow users to set custom budget categories and alerts.

Assumption to check: Budgeting features are often not customizable enough.

Validate with people who use this workflow before building.

Hypothesis 3

Provide visual analytics and reports to track spending habits.

Assumption to check: Users struggle with understanding their financial trends.

Validate with people who use this workflow before building.

Hypothesis 4

Establish a community feedback loop to prioritize user-requested features.

Assumption to check: Limited support and updates can lead to user frustration.

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

Loose Money Log Not a budget app. Just your balance. Perfect for people who gave up on budgeting apps. Budgeting apps can feel complicated. Categories, detailed tracking, constant analysis… If that never worked for you, this app might be a better place to start. Loose Money Log helps you stay aware of your money in a simple way. Just record two numbers: • your balance before income • your balance after income That’s all. No categories. No budgeting rules. No complicated tracking. The app simply shows how your money moved between income events. Over time, you may start to notice your spending and income balance. When that happens, you can look back at your history and see the changes. And if one day you want deeper analysis, you can always move to a full budgeting app. Loose Money Log is simply the entrance. A quiet place to start noticing your money. Features • Record your balance before and after income • Automatic calculation of income and spending • Simple history of past records • Graph showing income, and spending • Change currency symbol • Change amount unit (for easier input) • Clean and minimal interface • Designed for quick, low-effort recording No ads. No subscriptions. No in-app purchases. Pay once. Use it forever.

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

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
React Navigation
Axios
Async Storage
Plaid
BUILD KIT DIFFICULTY

Not assessed in a Build Kit yet.

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.