App Overview

GlassJar: Shared Money icon

GlassJar: Shared Money

Home Team Management LLC · Finance

Glass Jar is the easiest way to see shared money clearly — what's been spent, who paid, and who owes whom — across any group you share costs with.

$2.99 · In-app purchases

PRICE
$2.99
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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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 GlassJar: Shared Money: 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 user feedback features to improve app credibility.

Assumption to check: Lack of user reviews and feedback

Validate with people who use this workflow before building.

Hypothesis 2

Add detailed categories and analytics for shared expenses.

Assumption to check: Limited functionality for expense tracking

Validate with people who use this workflow before building.

Hypothesis 3

Introduce alerts for upcoming contributions and expenses.

Assumption to check: No reminders for payments or contributions

Validate with people who use this workflow before building.

Hypothesis 4

Create a better UI to visualize and manage multiple jars easily.

Assumption to check: Difficulties in managing multiple jars

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

Glass Jar is the easiest way to see shared money clearly — what's been spent, who paid, and who owes whom — across any group you share costs with. It's not a budgeting app and it won't lecture you. It's visibility: one clear place where the spending you share with other people finally makes sense. WORKS WHEREVER MONEY IS SHARED • Roommates & households — rent, groceries, the electric bill. See every shared cost and settle up in a tap. • Trips & events — one space per trip; everyone logs as they go, split the tab, square up at the end. • Couples — joint spending, clear picture, no spreadsheets and no judgment. • Small teams — track spend and reimbursements, tag expenses to clients or projects. • Just you — see unusual charges, your busiest days, and where the month actually went. SEE WHO & WHERE Every expense broken down by member and category, with a daily-spending trend that handles big one-offs gracefully. KNOW WHO OWES WHOM Automatic balances across the group and a simple "settle up" plan — record a payment and it reconciles. No awkward math. BRING IN YOUR SPENDING Add expenses as you go, or import a CSV or JSON statement — columns auto-map, charges and payments are sorted out, and duplicates are caught. UNDERSTAND THE MONTH A spending calendar heatmap, year-in-review recap, unusual-spend flags, rich merchant history, subscription detection, tags, and saved views. PREMIUM — AUTOMATIC BANK SYNC Upgrade to connect your bank securely (via Plaid) and import transactions automatically, so the jar stays current without lifting a finger. Manual entry and CSV/JSON import are always free. PRIVATE BY DESIGN Your financial data is yours. We never sell it, and we don't use it for advertising. Sign in with Apple or Google supported. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://glassjar.dev/privacy.html

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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.

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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.