App Overview

Goldback Tracker icon

Goldback Tracker

Matthew Simpson1092949011 · Productivity

Goldback Tracker is the complete app for Goldback collectors who want catalog accuracy, portfolio visibility, and full control of their data — without handing anything to a cloud service.

$9.99 · In-app purchases

PRICE
$9.99
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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Goldback Tracker: map the core Productivity 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

Expand to include customizable categories for better tracking.

Assumption to check: Limited transaction types and categories.

Validate with people who use this workflow before building.

Hypothesis 2

Integrate graphs and charts to visualize spending and trends.

Assumption to check: Lack of data visualization.

Validate with people who use this workflow before building.

Hypothesis 3

Add options to export data as CSV or PDF.

Assumption to check: No export feature for transaction history.

Validate with people who use this workflow before building.

Hypothesis 4

Implement customizable notifications for important transactions.

Assumption to check: Limited notifications for transaction reminders.

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

Goldback Tracker is the complete app for Goldback collectors who want catalog accuracy, portfolio visibility, and full control of their data — without handing anything to a cloud service. BUILD YOUR COLLECTION Add Goldbacks by state, year, denomination, artwork style, and variant (Alpha/Non-Alpha, plus special LER where applicable). Smart catalog filters suggest the right years and denominations as you go. Official catalog artwork and mintage figures help you document exactly what you hold. Persistent storage keeps everything across app launches and device restarts. TRACK VALUE & PERFORMANCE See total face value, gold content, and today’s USD equivalent using the live Goldback daily exchange rate (with manual override option). Record purchase prices, sale prices, and realized profit/loss when you sell notes from your collection. VISUALIZE YOUR PORTFOLIO Powerful interactive visualizations help you understand and grow your collection: • By State – Beautiful pie charts breaking down face value and total gold ounces by state • By Denomination – Bar charts showing exact counts of each denomination you hold (1, 5, 10, 25, 50, 100) • By Year – See which issue years dominate your stack with value-by-year charts • Value Over Time – Cumulative growth line chart based on your actual acquisition dates • Your Checklist – State × denomination ownership grids (mini/mega and per-state checklists) with automatic X-outs for the exact pieces needed for achievements • Guru Status – 55+ achievements and challenges including Loyalist (full required set from one state), Gold Miner (own .5 oz gold), and many more ORGANIZE YOUR WAY Search and filter by state, artwork style, raw vs. graded, or custom criteria. Sort by date, value, quantity, or state. Attach photos of individual notes so your digital record matches what’s in your stack. Achievements track milestones like "Loyalist" (full set from one state) and "Original Gangsta" (Any Utah 2019 Goldback). FULL FEATURES INCLUDED • CSV export of your entire collection (with values) • One-tap database backup and share via iOS share sheet (great for iCloud Drive or email) • No collection resets — your data is yours and stays local • No "Demo" limits or upgrade nags BUILT FOR COLLECTORS • Catalog coverage for U.S. Goldback series with ongoing additions • Live exchange rate from goldback.com (with manual override) • Link to the Eclectic Coins mintage chart • Dark, clean interface designed for regular use • iPhone and iPad support YOUR DATA STAYS ON YOUR DEVICE Goldback Tracker stores your collection locally in a private SQLite database. We do not operate user accounts and we do not upload your collection to our servers. Export and backup are always under your control via the standard iOS share sheet. Goldback Tracker is an independent tool for collectors and is not affiliated with or endorsed by Goldback, Inc.

Written user reviews are not shown here. Check current App Store reviews >

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
Starter

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.