App Overview

Harry and the Haunted House icon

Harry and the Haunted House

Wanderful, LLC · Books

• Winner of a MOM'S CHOICE Gold Award

$4.99 · In-app purchases

PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
17 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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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 Harry and the Haunted House: 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

Add animations and interactive elements to engage users more.

Assumption to check: Limited interactive features compared to other storytelling apps

Validate with people who use this workflow before building.

Hypothesis 2

Provide clearer explanations and trials for premium features.

Assumption to check: In-app purchases can be confusing for users

Validate with people who use this workflow before building.

Hypothesis 3

Regularly add new stories or content to keep users engaged.

Assumption to check: Content update frequency is low

Validate with people who use this workflow before building.

Hypothesis 4

Modernize UI with vibrant colors and intuitive layouts.

Assumption to check: User interface may feel outdated

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

• Winner of a MOM'S CHOICE Gold Award • Winner of a PARENTS’ CHOICE Silver Honor Award • Winner of the Editor's Choice Award from Children's Technology Review • An interactive animated storybook by the creator of the award-winning Living Books • A “spooky” tale of how imagination can make things seem scarier than they are Reviews: "This is one of the best designed interactive children's books I've ever seen" - Mac Observer "Harry and the Haunted House is a twelve page interactive storybook that blends a well-told story written by Mark Schlichting with thoughtful animation by developer Wanderful. The app offers Read to Me or Let Me Play modes. The former is especially delightful. Animations play automatically, which encourages children to listen up, watch, and take a break from tapping their screen. The story's words are highlighted as expressive voice actors read them so that early readers can follow along. Though in a sense a ghost story, Harry and the Haunted House will inspire more giggles than scares. After Harry hits his baseball a little too far, he and his friends decide to look for it in the abandoned house where it lands. Children will enjoy seeing how Harry and his friends' imaginations create spooky situations. They see ghosts that turn out to be their own reflection, for example, and hear strange noises that are actually Harry's dog playing with the found ball. In the end, children learn that scary things (like old houses, dark closets, or the space under a bed) are not so terrible once one learns more about them." - Parents' Choice ©2013 Parents' Choice Have you ever wished you could play inside a story and really interact with all the characters and words? Now you can! Harry and the Haunted House is an imaginative, interactive and slightly spooky reading experience with fully animated content loved by children, parents and teachers alike. Wanderful brings every page of this Mark Schlichting story to life. Read and play along with Harry and his friends as they retrieve their baseball lost in the “haunted” house across the field. “W-W-What’s that noise?” “We froze in our steps…” KEY FEATURES: • Story is in both English and Spanish - change language from any page • 12 fully animated pages • French story content unlocks with upgrade • Virtually every item on each page comes to life when tapped • All words are “active” for extended word play and language learning • Animated surprises on each page – can you find all the performing bugs? • Move between pages with swipe or with scrolling page navigation • Multiple settings to customize the App for your child’s reading experience • Two modes: “Read to Me” and the fully interactive “Let Me Play” • Parental tips to help you get the most out of this Wanderful interactive storybook • Teacher resources include a 31 page overview of Wanderful interactive storybooks Classroom Activities and a free preview of the Harry and the Haunted House Classroom Activities guide • The full 58 page Classroom Activities guide is available as an upgrade Wanderful’s goal is to bring outstanding interactive storybooks to a new generation of children. We hope Harry and the Haunted House provides your family, children and students with hours of delightful story play. Harry and the Haunted House is written by Mark Schlichting, creator of the Living Books series. Privacy Disclosure Wanderful creates engaging interactive storybooks for children that are educational, fun, and above all safe and appropriate. Our apps: • do not collect any information • do not contain ads • do contain in-app purchases • do not have active links to websites or social networks • do use analytics to improve our app experience but only in aggregate and never with personally identifiable data

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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
react-native-paper
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.