App Overview

DailyBill - Expense Tracker icon

DailyBill - Expense Tracker

坚涛 陈 · Finance

DailyBill is a simple and elegant finance app perfect for budget planning, spending tracking, and money management

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.9
33 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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Build Kit

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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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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 DailyBill - 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 a feature for automatic transaction imports from bank accounts.

Assumption to check: Users find it cumbersome to manually enter transactions.

Validate with people who use this workflow before building.

Hypothesis 2

Add features for setting spending limits and alerts.

Assumption to check: Lack of advanced budgeting features.

Validate with people who use this workflow before building.

Hypothesis 3

Include visual reports on spending trends and insights.

Assumption to check: Limited reporting and analytical tools.

Validate with people who use this workflow before building.

Hypothesis 4

Integrate a bill reminder feature for users.

Assumption to check: No reminder system for due payments.

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

DailyBill is a simple and elegant finance app perfect for budget planning, spending tracking, and money management. The app can helps you to keep your daily expense and or income tracked. The whole app contains only one single view and you can manage your personal finance with tap and swipe gestures. In this main view it shows sum of your expense and income, as long as a line bar to indicate the weekly status of current week. KEY FEATURES: - Super easy and simple to enter data anytime, anywhere. - View your spending tendencies graphically. - View statistics by simply entering the data. - Set up sub-categories and main categories as necessary. - Manage all your accounts at once. - Check weekly, monthly, and annual statistics. - Use calendar view. - Use budget planning features to plan weekly, monthly, and annual budgets. - Change the start date of the month. - Sync multiple devices (iPhone, iPad) and see the same numbers on all devices - Head to the Today view in Notification Center and add DailyBill Today - Backup/Restore complete application data, including all receipts - Multiple themes you can choose and support iOS dark mode - Passcode/TouchID/FaceID unlock - DailyBill follows the locale/region setting on your device and shows date and currency symbols appropriate for your region ================================ SUBSCRIBERS GET MORE FEATURES! ================================ DailyBill Pro Subscription is an auto-renewing subscription. It’s available for monthly period. USD$0.99 monthly, named as: Month Member. Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. Manage your subscriptions in Account Settings after purchase. Privacy Policy: https://github.com/JRJian/db_privacy/blob/master/README.md Terms of Use: https://www.websitepolicies.com/policies/view/N8mjYtpC ------------------- DailyBill is a life-loving Apple developer who develops independently in his spare time. Like it? Please support me by rating this app. Questions and suggestions? Don't hesitate to drop in any feedback. Feedback: --- Email me at [email protected]

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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
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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.