App Overview

Spendy: The Expense Tracker icon

Spendy: The Expense Tracker

UMUT YENIDIL · Finance

Take back control of your money with Spendy—the simple, private, and offline expense tracker designed for modern life.

$0.99

PRICE
$0.99
No 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 Spendy: The Expense 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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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 features like automatic categorization and reminders for adding expenses.

Assumption to check: Users often find expense tracking tedious and time-consuming.

Validate with people who use this workflow before building.

Hypothesis 2

Add graphs and charts to visualize spending patterns.

Assumption to check: Lack of visual representation of spending trends.

Validate with people who use this workflow before building.

Hypothesis 3

Introduce subcategories and better filtering options.

Assumption to check: Difficulty in managing multiple categories effectively.

Validate with people who use this workflow before building.

Hypothesis 4

Allow users to create custom categories with color coding.

Assumption to check: Limited customization options for categories.

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

Take back control of your money with Spendy—the simple, private, and offline expense tracker designed for modern life. Are you tired of complex finance apps that demand your bank passwords, clutter your screen with ads, and sell your data? Spendy is the antidote. We believe managing your personal finances should be fast, secure, and effortless. Whether you are tracking daily cash spending, managing a household budget, or simply trying to save for a vacation, Spendy gives you the clarity you need without the complexity you hate. WHY CHOOSE SPENDY? In a world of automated subscriptions and hidden fees, Spendy brings mindfulness back to your money. By manually logging your transactions—which takes just seconds—you become more aware of your financial habits. No delayed bank feeds, no categorization errors, just pure financial truth. KEY FEATURES: Private & Offline Your financial data belongs to you. Spendy works offline. We do not store your data on cloud servers, and we never sell your information to third parties. Your ledger stays on your device, secure and private. Lightning-Fast Expense Entry Open the app, enter the amount, pick a category, and you're done. Designed for speed, Spendy lets you log a coffee purchase before the barista even hands you the cup. Flexible Budgeting Tools Set monthly, weekly, or custom budgets for different categories. See at a glance how much you have left to spend on "Groceries," "Entertainment," or "Dining Out." Visual progress bars turn green, yellow, and red to keep you on track. Comprehensive Money Manager Income & Expense Tracking: Log your salary, side hustle cash, and daily bills in one place. Multiple Wallets: Track cash, credit cards, and savings accounts separately or view your total net worth. Bill Reminders: Never miss a due date again. Set recurring transactions for rent, subscriptions, and utilities. Visual Insights & Reports Where does your money go? Spendy transforms your transaction logs into beautiful, easy-to-read charts. Analyze your spending patterns by category or time period to identify where you can save. Customizable Categories Create categories that match your lifestyle. Whether you need specific tags for "Travel," "Hobbies," or "Kids," Spendy adapts to your needs with custom icons and colors. Export & Backup Need to share your expenses with an accountant or partner? Export your data to JSON formats effortlessly. Keep your own backups for total peace of mind. WHO IS SPENDY FOR? Privacy Advocates: Users who refuse to link bank accounts to third-party apps. Budget Beginners: Anyone overwhelmed by complex apps like YNAB or Rocket Money. Travelers: Track spending offline without needing a data connection abroad. Gig Workers & Freelancers: Keep personal and business expenses separate with ease. NO ADS, NO CLUTTER Enjoy a clean, distraction-free interface that focuses 100% on your financial health. Stop wondering where your money went and start telling it where to go. Download Spendy today and experience the peace of mind that comes with a simple, organized financial life. https://umutyenidil.com.tr/spendy/terms-of-use https://umutyenidil.com.tr/spendy/privacy-policy

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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
Redux
@react-navigation/native
TypeScript
AsyncStorage
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.