App Overview

Tulum – Be Your Own Guide icon

Tulum – Be Your Own Guide

Edwin Barnhart · Travel

Tulum – Be Your Own Guide GPS locates and navigates you anywhere within the Maya ruins of Tulum in Quintana Roo, Mexico without using any external data

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.1
8 ratings · Below Average

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 Tulum – Be Your Own Guide: map the core Travel 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

Provide in-depth guides and user-generated content.

Assumption to check: Limited information about attractions

Validate with people who use this workflow before building.

Hypothesis 2

Optimize app speed and responsiveness.

Assumption to check: Poor user reviews regarding performance

Validate with people who use this workflow before building.

Hypothesis 3

Implement more intuitive navigation patterns.

Assumption to check: Difficult navigation between screens

Validate with people who use this workflow before building.

Hypothesis 4

Introduce social sharing and reviews to enhance engagement.

Assumption to check: Lack of social features

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

Tulum – Be Your Own Guide GPS locates and navigates you anywhere within the Maya ruins of Tulum in Quintana Roo, Mexico without using any external data. There’s no data usage for your mobile device’s automatic ability to locate satellite based cell signals, so no expensive charges apply for using the app. Created by renowned Maya archaeologist Dr. Edwin Barnhart, the Tulum app provides detailed information about virtually every feature of the site. The home page provides an interactive map of Tulum with each and every building clickable to reveal information regarding its construction, excavation history, and what was found inside. The “What Is That” function uses your gps location and allows you to point your mobile device at any structure to learn more about it. The “Take Me There” function allows you to choose any building at the site and receive guided navigation to its location. The descriptions for each building are available as text and audio files voiced by Dr. Barnhart. Photos of each structure are included, as well as drawings and photos of the features inside the temples – ones you can’t see because they are barred from tourist access. With the Tulum app, you can see the incredible murals that other visitors can’t! The Tulum app also includes: •General history of Tulum •Ed’s Tour – a recommended walking route •A complete buildings and features list •Personalizable photo and video galleries to remember your visit •Bibliographical references Whether you are planning on visiting Tulum or just want to learn more about the site, the Tulum app is an invaluable tool for anyone who wants to learn more about the ancient city. No other source of Tulum information, book or otherwise, is more complete. And thanks to wifi connections at selected restaurants in Tulum visitor’s center, you can download it data charge free right at the entrance to the ruins!

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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
Zustand
React Navigation
expo-location
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.