App Overview

Ship's Bell icon

Ship's Bell

Trimutic UG · Travel

Ship's Bell is primarily an acoustic clock that sounds half-hourly or hourly time signals

$5.99 · In-app purchases

PRICE
$5.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.0
4 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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A product spec, screen plans, and build steps for your coding agent.

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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 Ship's Bell: 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

Implement richer notification settings and customization options.

Assumption to check: Limited notification features compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Revamp UI with modern design principles and better usability.

Assumption to check: User interface could feel outdated

Validate with people who use this workflow before building.

Hypothesis 3

Add social sharing options for itineraries.

Assumption to check: Lack of social features for sharing itineraries

Validate with people who use this workflow before building.

Hypothesis 4

Implement offline mode for viewing itineraries without internet.

Assumption to check: No offline access to itineraries

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

Ship's Bell is primarily an acoustic clock that sounds half-hourly or hourly time signals. Without taking the phone out of your pocket you can easily keep track of time. The principle of this bell was founded in traditional seafaring. Seafarers used the bell to keep track of their four-hourly duty watches. The first half hour is signaled by a single bell strike. Another bell strike is added every half hour, ending with eight bell strikes. To hear the bell strikes better, they are grouped into double chimes. Eight bell strikes signaled a watch change – at midnight, 4 am, 8 am, 12 pm, 4 pm and 8 pm. With just eight different signals, being repeated in six cycles during the day, you will know what time it is every half and full hour. • Ship's bell according to the seafaring tradition • Two different kinds of chimes: classic bell or a modern synthesized sound • Option to strike only once each hour • Two different chimes for hourly signals: a single beep or a triple signal counting down to the full hour • Displays the current time on a maritime 24-hour clock face • Shows Greenwich Mean Time (GMT) • Switch to quickly enable or disable the acoustic signals A new addition in version 3.0 is the Tide Clock. An additional clock hand and a tide ring can now be activated on the two dials of the glass clock (12-hour or 24-hour dial). This makes it possible to estimate the time until the next high or low tide in the style of a mechanical tide clock. The tide clock hand makes one revolution within 12 hours and 25 minutes independently of the hour clock hand and thus shows the average time between two high or low tides. The indices on the tide ring show the hours before and after a coming or past high or low tide. Dear customers, If there are any issues with this app, please send an email to our support team. We will get back to you as soon as possible!

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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
Axios
React Navigation
React Native Paper
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.