App Overview

Sherlock Holmes: Join the Case icon

Sherlock Holmes: Join the Case

Metin Ata YETER · Books

You are not just reading Sherlock Holmes

$8.99 · In-app purchases

PRICE
$8.99
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 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 Sherlock Holmes: Join the Case: map the core Books 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

Introduce branching narratives and decision-making elements.

Assumption to check: Limited interactive storytelling mechanics

Validate with people who use this workflow before building.

Hypothesis 2

Implement a free trial period for new users.

Assumption to check: High initial price with no trial

Validate with people who use this workflow before building.

Hypothesis 3

Add discussion forums or user reviews for cases.

Assumption to check: Lack of community features

Validate with people who use this workflow before building.

Hypothesis 4

Incorporate audio narration and illustrations for cases.

Assumption to check: No audio or visual engagement

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

You are not just reading Sherlock Holmes. You are solving the cases alongside him. 60 STORIES. 118 DEDUCTIONS. 8 GAMES. THE GAME IS AFOOT. 8 GAMES. ENDLESS REPLAY. Sliding Puzzle. Reassemble case cover art, tile by tile. Memory Match. Flip cards and find matching pairs from the canon. Guess the Case. See a cover, name the story. Two Truths & a Lie. Spot the false statement hidden among truths. Who Said It? Match quotes to the right case. Name That Case. Identify stories from character clues. Case Compass. Connect case summaries to their stories. Character Match. Link characters to their cases. Story Spinner. Spin and land on a random case. Every game pulls from all 60 stories. Every round is different. WHY PLAYERS LOVE IT New rounds every time you play. No two games are the same. Puzzles challenge your eye for detail. Memory match sharpens your brain. Trivia tests what you really remember. Beautiful cover art on every card. Instant feedback after every answer. No loading screens. No waiting. Just tap and play. PLAY ANYTIME, ANYWHERE No internet needed. No login required. Open the app and start playing in seconds. On the bus, in bed, waiting in line. Your games, your pace, your investigation. HOW DEDUCTIONS WORK Read the story as Conan Doyle wrote it. But at 118 key moments across the canon, the narrative pauses. A deduction challenge appears. The clues are all there, hidden in the paragraphs you just read. Can you piece them together before the answer is revealed? Get it right, and you matched the mind of Sherlock Holmes. Get it wrong, and the story shows you exactly what you missed. No quiz screens. No pop-ups. The challenges live inside the story, right where they belong. LISTEN. STAY IN THE CASE. Put on your headphones and let Holmes read the story to you. Every case plays as continuous narration, chapter by chapter. Listen on your commute, on an evening walk, or as you fall asleep. Background playback, lock screen and CarPlay controls, with adjustable narration voice and speed. But this is no ordinary audiobook. When a deduction moment arrives, the narration pauses and the case turns to you. Make your call, then listen on. The story keeps moving even with the screen off and the phone in your pocket. YOUR CASE FILES Every story comes with a full case file: suspect profiles, location details, key evidence, and scene breakdowns. Review the facts before you read, or use them to piece together what happened after. THE WORLD 210 characters with detailed dossiers. 116 locations across Victorian London and beyond. A complete timeline of every case from 1874 to 1914. 7 curated reading paths. Tap any character or location to see every story they appear in. This is not just a book. It is a world you can explore. TRACK YOUR PROGRESS Your deduction accuracy. Cases solved. Words read. Daily streak. 12 achievements to unlock. 5 detective ranks to earn. A new daily challenge every morning to keep your skills sharp. BEAUTIFUL. OFFLINE. YOURS. Dark mode for late-night reading by gaslight. Light mode for Sunday morning cases. Beautiful Victorian typography. Fully offline, no account required, no internet needed. Open the app and start investigating. ONE PRICE. EVERYTHING UNLOCKED. All 60 stories. All 118 deductions. All 8 games. Audiobook narration for every case. Every character, location, timeline event, reading path, daily challenge, and achievement. No subscriptions. No in-app purchases. No ads. Ever. The game is afoot. SUPPORT Questions or feedback? [email protected] Privacy: https://pages.stackbase.space/sherlock/privacy-policy Terms: https://pages.stackbase.space/sherlock/terms-of-service

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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.