App Overview

Tide Table Chart icon

Tide Table Chart

AppMosaic.com · Travel

Tide Table Chart provides quick and easy access to high and low tide forecasts.

$4.99 · In-app purchases

PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
1.6
5 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 included16 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 Tide Table Chart: 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

Integrate real-time tide data from multiple sources.

Assumption to check: Limited location data and updates.

Validate with people who use this workflow before building.

Hypothesis 2

Implement a modern, user-friendly design with clear navigation.

Assumption to check: Poor user interface design is confusing.

Validate with people who use this workflow before building.

Hypothesis 3

Optimize performance for various screen sizes and devices.

Assumption to check: Inconsistent performance across devices.

Validate with people who use this workflow before building.

Hypothesis 4

Add social sharing and user reviews for locations.

Assumption to check: Lack of user engagement 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

Tide Table Chart provides quick and easy access to high and low tide forecasts. Swipe left/right to see the tide chart of the next day or play an animation of moon phase and tide changes to get a quick overview. The app provides tide forecasts for thousands of tide stations across the world (including USA, Canada, UK, Germany, Australia, New Zealand, ...). Whether you love to surf, dive, go fishing or simply enjoy walking on beautiful ocean beaches, the app Tide Table Chart will show you the tide predictions for your favourite beach. The tide prediction information is stored on your phone so that you can use the app without internet connection. This app supports also the tide chart display on Apple Watch. DISCLAIMER - Tide data displayed by the app are based on astronomical tide predictions and do not take into account the effects of strong winds, rain, floods and other meteorological events. Do NOT use the app for navigation or any other purpose that may result in personal injury or property damage. Use it at your own risk. Features: * Display high and low tides on iPhone, iPod or Apple Watch. * Moon Phase depiction * Sunrise, Sunset, Moonrise and Moonset times * Animation of moon phase and tide changes for quick overview * Swipe left/right to see the tide chart of the next days * Thousands of tide stations across the world * including USA, Canada, UK, Germany, Australia, New Zealand... * Offline viewing capability * View tide station locations on an overview map with offline cache * Accounts for daylight savings time and different timezones

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Screenshots

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Build scope

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Define the first version

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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
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Axios
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.