App Overview

Schengen Simple icon

Schengen Simple

Roycroft Labs Ltd · Travel

Schengen Simple answers the key question that other apps don't: what's the longest I can travel on any given date without jeopardising a future trip or breaking the 90/180 rule?

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
346 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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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 Schengen Simple: 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 comprehensive country-specific visa guidelines.

Assumption to check: Limited country visa information

Validate with people who use this workflow before building.

Hypothesis 2

Implement push notifications for application status updates.

Assumption to check: No in-app notifications

Validate with people who use this workflow before building.

Hypothesis 3

Add onboarding tutorial for first-time users.

Assumption to check: Difficult navigation for new users

Validate with people who use this workflow before building.

Hypothesis 4

Clearly display benefits and comparisons of subscription tiers.

Assumption to check: Subscription pricing lacks clarity

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

Schengen Simple answers the key question that other apps don't: what's the longest I can travel on any given date without jeopardising a future trip or breaking the 90/180 rule? Here's an example. Say you have a trip next week and another in 2 months, and you want to add one in between. Schengen Simple tells you exactly how long that middle trip can be without causing an overstay. You'll always know how long you can travel while ensuring you can still take every trip in your calendar. FEATURES - No need to nominate a date of entry. Schengen Simple analyses your full trip calendar at once, so you always know how long you can travel on any date without affecting trips you've already planned. - Multi-traveller support. Track Schengen allowance for your whole family or travel group in one app, each with their own calendar and calculations. - Passport Control mode displays exactly how long you've been in the Schengen Area in a given 180-day period. - See your allowance under every date in the calendar, so you can spot when it changes and plan accordingly. Often, waiting a few days gives you a longer stay. - Allowance Analysis. Easily probe why your allowance is what it is for a given date, so you know which trips you could edit to stay longer. - Personalised customer support. Questions about your trips or the rules? Get a real reply from a real person. - The Schengen Simple algorithm is thoroughly tested, including against the official EU calculator, so you can fully trust its calculations. - Clear, simple and easy to use. Even calculators deserve beautiful design. PRICING Get started with a one-week free trial, after which an annual subscription gives you full access to all features. Prices vary by country. Your subscription supports ongoing updates as Schengen rules evolve, personalised support from a real person when you need it, and we'll never sell your data or show ads. Try Schengen Simple for free, with no obligation to continue. We think you'll love it. Privacy Policy: https://schengensimple.com/privacy-policy Terms of Use: https://schengensimple.com/terms-of-use

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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
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.