App Overview

Spentable icon

Spentable

Oursky Ltd · Finance

Featured as Best Finance / Productivity / Lifestyle App

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.2
12 ratings · Below Average

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 included16 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 Spentable: 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 more versatile and customizable categories.

Assumption to check: Limited transaction categorization options

Validate with people who use this workflow before building.

Hypothesis 2

Streamline UI for better usability and clarity.

Assumption to check: User interface can feel cluttered

Validate with people who use this workflow before building.

Hypothesis 3

Provide clearer explanations of what users get with paid features.

Assumption to check: In-app purchase model is unclear

Validate with people who use this workflow before building.

Hypothesis 4

Optimize loading and display of transaction data.

Assumption to check: Performance issues with large transaction lists

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

Featured as Best Finance / Productivity / Lifestyle App Spentable Features: - A super easy to use tracking experience: choose a category and input the amount. - A monthly expense chart gives you a glimpse of your monthly spending habits. - Dozens of predefined categories OR create your own categories with Emoji Icons! - Adjust the order of the categories in a way that suits your needs. - Support us and get the following features as well! - The Apple Watch OS App. - The Notification Center Widget. - Keep track of unlimited expense data. - Great future updates! --- "Once upon a time, there was a kid named Steven. Steven graduated from a local university, and applied for a local job. He worked really hard at his job, and made an honest living. However, Steven didn’t know how to manage his spending. Every month he would spend and spend and eventually his income would run out, without saving a dime. “I want to save more money!” He thought to himself. So he set out to turn his financial life around. To his luck, he found an app called Spentable. An app that allowed him to use the notification center to quickly add expenses to a predefined category. No typing, just choose a category, input a number, and press enter, all from the notification center. Steven soon saved up enough money to get himself an Apple Watch, which he used to enter his expenses through the Apple Watch Spentable app. He simply lifted his wrist, and in one single tap, he was in. His phone never left his pocket. Steven went on to get a car, buy a house and marry the guy of his dreams, all thanks to Spentable. Get Spentable. Get the love of your life.

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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
Zustand
Supabase
React Navigation
React Native Modal
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.