App Overview

Morse Mania icon

Morse Mania

Black Cat Systems · Education

Morse Mania is a morse code tutor app

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.5
50 ratings · Top 15%

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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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 Morse Mania: map the core Education 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

Incorporate more engaging gamification elements.

Assumption to check: Limited interactivity in lessons and quizzes

Validate with people who use this workflow before building.

Hypothesis 2

Implement offline downloads for lessons and quizzes.

Assumption to check: No offline access to lessons

Validate with people who use this workflow before building.

Hypothesis 3

Enhance progress tracking accuracy with better state management.

Assumption to check: User progress tracking can be inconsistent

Validate with people who use this workflow before building.

Hypothesis 4

Offer certificates for completed lessons and quizzes.

Assumption to check: Certification upon completion is lacking

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

Morse Mania is a morse code tutor app. Morse Mania provides the following modules to help you learn morse code: Learn Characters - A morse code character is displayed on the screen as it is being played. This is useful when you're first learning the morse code alphabet, as it helps you link each sound to the corresponding character. Guess a Character - Morse code characters are played, and you must determine which was sent. At the end of the exercise, your score is displayed. Copy Groups - Random five letter morse code character groups are sent (and displayed on the screen). You select how many morse code groups you would like to have sent, and practice by copying the groups down. At the end of the exercise, compare what you copied to what was actually sent. Copy Words - Random words are sent (and displayed on the screen). You select how many words you would like to have sent, and practice by copying them down. At the end of the exercise, compare what you copied to what was actually sent. Simulated QSO - Random simulated QSOs are sent, so you get real world copying practice. Simulated QSO - Random simulated QSOs are sent, so you get real world copying practice. Keying - You can send more code by tapping the screen, and Morse Mania will decode it. Typing - Tap characters on your virtual keyboard, and Morse Mania will play them. You can configure Morse Mania to work just the way you want it to: Set the volume and pitch of the generated morse code, as well as the speed in WPM (Words Per Minute). Select the individual groups of characters you wish to practice. Farnsworth mode lets you double the speed of the dots and dashes, while preserving the correct WPM, making sure you don't get stuck at the low speed "plateau". Koch mode lets you select individual characters to learn. Once you master a character, you add another.

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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
Supabase
React Navigation
Zustand
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.