App Overview

Character Counter icon

Character Counter

Thomas Coomer · Productivity

Character Counter — Count characters, words, and more as you type!

$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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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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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 Character Counter: 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

Add formatting options like bold or italic.

Assumption to check: Limited features for text manipulation.

Validate with people who use this workflow before building.

Hypothesis 2

Implement cloud sync to save user history.

Assumption to check: Lack of cloud syncing for user data.

Validate with people who use this workflow before building.

Hypothesis 3

Include export options to share or save entries.

Assumption to check: No option for exporting text entries.

Validate with people who use this workflow before building.

Hypothesis 4

Add themes and customization options for users.

Assumption to check: No dark mode or customization.

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

Character Counter — Count characters, words, and more as you type! Character Counter is the fast, beautiful way to count characters, words, sentences, and paragraphs in real time. Whether you're trimming a social post to fit a limit, hitting an essay word count, or polishing a caption, your totals update live as you write — no buttons, no waiting. Just start typing or paste your text, and everything is counted instantly in a clean, full-screen writing area designed to keep you focused. Know your writing inside out Go beyond the basics with live English part-of-speech counts — nouns, verbs, adjectives, adverbs, prepositions, and pronouns — so you can understand the shape of your writing, not just its length. Never lose a draft Version History automatically snapshots your text as it changes, so you can always go back. Gone off track? Rewind. Save important drafts manually, then preview, restore, or delete any version whenever you like. Write your way Make it yours with customisable colour themes — Auto, Light, Dark, Mint, Sepia, Beige, Purple, Night, and Forest — plus adjustable font styles (Sans Serif, Serif, Mono) and font sizes. Optional text persistence keeps your work waiting for you next time you open the app. Built for how you work Share text on its own or with the full counter stats attached. Copy, paste, undo, and redo are built right in. Handoff lets you carry on editing across your Apple devices, and a responsive design with Liquid Glass controls adapts to look great on every screen. Perfect for writers, students, social media, notes, essays, captions, and quick text checks — Character Counter gives you the count you need and the tools to write better.

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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
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.