App Overview

ColorKeeper: Daily Color icon

ColorKeeper: Daily Color

DANIEL A WARF · Lifestyle

Every day, Colorkeeper shows the world one color

$0.99

PRICE
$0.99
No 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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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included15 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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

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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.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Every day, Colorkeeper shows the world one color. The same color, for everyone, everywhere; deterministic, not random, generated fresh each day from the date itself. No two people ever see a different color on the same day, and no server decides it. Your phone works it out on its own. That's the whole app. There's no feed, no likes, no accounts, no backend. Just today's color, given a name like "Quiet Ember" or "Second Wind," sitting there until tomorrow. WHAT YOU CAN DO WITH IT See today's color, its name, and its hex code, the moment you open the app Look back at your last five days, and this month, laid out as a grid of color Write a short note on any day, what a color reminded you of, what kind of day it was and favorite the ones that stick with you Add a Home Screen or Lock Screen widget so today's color is always one glance away Once a month, get a private month-in-review: a color that stood out, and a short reflection on what your notes meant, written entirely on your device BUILT TO STAY OUT OF YOUR WAY Colorkeeper doesn't send anything anywhere. Your notes and favorites live only on your phone. The month-in-review is generated on-device using Apple Intelligence, nothing you write is ever transmitted, logged, or seen by anyone but you. There's no account to create because there's nothing to sync to. It's a small, quiet thing. A color a day, and nothing else.

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.

SUGGESTED BUILD STACK
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.