App Overview

CoreSpend: Budget Tracker icon

CoreSpend: Budget Tracker

Dimitar Germanov · Finance

Stop guessing where your money went

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
1 ratings · Top 5%

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 included17 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 CoreSpend: Budget 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

Provide a more streamlined interface for linking accounts and categorizing transactions.

Assumption to check: Users often find it difficult to manage multiple accounts and track various categories effectively.

Validate with people who use this workflow before building.

Hypothesis 2

Integrate visual charts and reports to provide insights on spending habits.

Assumption to check: Lack of visual analytics and reports.

Validate with people who use this workflow before building.

Hypothesis 3

Offer more transparent subscription tiers and additional features for premium users.

Assumption to check: In-app purchase options may be unclear or limited.

Validate with people who use this workflow before building.

Hypothesis 4

Implement automatic transaction categorization for linked accounts.

Assumption to check: Manual transaction entry can be tedious.

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

Stop guessing where your money went. Start telling it where to go. CoreSpend is the ultimate personal finance companion designed for those who value speed, visual clarity, and absolute data privacy. In a world of complex, data-hungry apps, CoreSpend stands out as a clean, powerful budgeting app that puts you back in control—without the monthly subscriptions. Whether you need a reliable expense tracker for daily coffee or a comprehensive financial tracker for yearly trends, CoreSpend makes it effortless, beautiful, and 100% private. THE PRIVACY PROMISE Your financial data is your business, not ours. • Zero Sign-Ups: No accounts. No emails. No passwords. • 100% Private: Your data stays on your device and syncs securely via your personal iCloud. • No Data Selling: You are the customer, not the product. • No Subscriptions: One-time purchase, lifetime ownership. RECURRING TRANSACTIONS & AUTOMATION Master your cash flow with our smart automation engine. Stop re-entering the same data every month. • Auto-Apply Logic: Rent, salaries, and subscriptions are logged automatically on their due date. • Flexible Frequencies: Daily, Weekly, Bi-weekly, Monthly, or Yearly. • Status Badges: Instantly see what’s Active or Paused. CUSTOM MONTH START Budgeting shouldn't be restricted to the 1st of the month. • Align with your Payday: Set your financial month to start whenever you get paid (e.g., the 15th or 25th). • Seamless Transition: Your dashboard and analytics automatically adjust to your custom cycle. SMARTER SAVINGS & GOALS Experience the most accurate financial forecasting in any money manager. • Realistic Projections: Our new algorithm calculates goal dates based on your entire contribution history, accounting for skipped months for a true finish date. • Manual Override: Plan for a big raise or a tighter month by manually setting your monthly contribution for any goal. • Visual Progress: Track your "Piggy Banks" with beautiful, color-coded progress bars. WHY CORESPEND IS THE BEST BUDGETING APP • Lightning Fast Entry: Log any transaction in under 2 seconds. • Visual Insights: Beautiful progress bars show your balance and spending percentages at a glance. • Budget Limits: Set monthly ceilings for any category. We'll alert you in red if you're nearing the limit. • Advanced Filtering: Powerful search by keyword, category, or date range. GLOBAL BY DESIGN CoreSpend supports 31 Languages and 17 Currencies, including: • Languages: English, Spanish, French, German, Japanese, Hindi, Ukrainian, Turkish, Polish, Dutch, Italian, Portuguese, and more. • Currencies: USD, EUR, GBP, JPY, INR, CHF, TRY, PLN, SEK, NOK, DKK, and more. KEY FEATURES AT A GLANCE: • Smart Suggestions: Your most-used categories appear first for even faster logging. • Visual Feedback: Color-coded entries (Green for Income, Red for Spending) for instant awareness. • Custom Categories: Fully customizable icons and names to fit your lifestyle. CoreSpend is more than just a spending tracker—it is your path to financial freedom. Simple. Powerful. Private. Download CoreSpend today and master your money.

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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
Zustand
React Hook Form
React Native SVG
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.