App Overview

TrackingDays icon

TrackingDays

Lauco Trading Limited · Travel

TrackingDays: The Residency Travel Tracker App.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
N/A
No ratings yet

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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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included18 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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Free quick prompt For a smaller starting point

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 TrackingDays: 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 a more organized layout with better categorization of trip details.

Assumption to check: Users often find it hard to keep track of itineraries and important trip details.

Validate with people who use this workflow before building.

Hypothesis 2

Implement a more robust real-time messaging feature with notifications.

Assumption to check: In-app messaging systems can be unreliable.

Validate with people who use this workflow before building.

Hypothesis 3

Clarify subscription benefits and offer a free trial for new users.

Assumption to check: Subscription models can be confusing for users.

Validate with people who use this workflow before building.

Hypothesis 4

Allow users to personalize their trip entries with tags, colors, and notes.

Assumption to check: Limited customization options for trip details.

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

TrackingDays: The Residency Travel Tracker App. - Recently added features: Favourites - add favourite countries, set your days or nights allowed and then set a reminder, so you don’t accidentally overstay. Add as many favourite countries as you need. TrackingDays: - Automatically tracks your travel, counting your days and nights in ALL COUNTRIES of the world. - With Schengen Area automatic travel tracking, count your combined Schengen days (EU), then view your last 180 days with one touch, no manual input required. For the 90 in 180 days rule. - Rolling 365 day count, eg. for New Zealand and Malaysia residence, look back at your past 365 days instantly.  - 100% privacy, we don't collect your travel locations these are backed up locally on your personal iCloud. - Accurate even at country borders. If you are a long term user of the App, please consider leaving us a positive review, positive reviews help us grow and help us to continue to improve the App. IF FOR ANY REASON you haven’t had a 4 or 5 start experience with our Apps, please contact us via our support page, before leaving a review so that we can have a chance to make it right for you. TrackingDays.com – Support – Submit a Request - TrackingDays is for all worldwide residency situations including: - USA Substantial Presence Test - USA Physical Presence Test - UK Statutory Residence Test - Schengen Area ROLLING 180 days (90 in 180) - Canada residence / physical presence - New Zealand non-residence ROLLING 365 day count - Malaysia non-residence ROLLING 365 day count - Cyprus residency the 60 day rule - Puerto Rico Act 60 (act 20/22) day counting - India residence status day counting - South Africa physical presence rule - Israel residency - The 183 day rule, international - Visa time - Flexible for many other tax residence situations. - Travel compliance. Track of your movements for business travel, including Schengen Area time. - Second homeowners. Avoid accidentally becoming a tax resident. Subscriptions: TrackingDays offers a 30 days free trial, cancel at any time before day 30 without charge.   You can manage and cancel your subscription from your account in the App Store. Monthly or yearly subscription options are available. Subscription price - US$3.99 per calendar month, (or equivalent amount in your country), that’s less than a latte from your favorite vendor, per month, for peace of mind. Your TrackingDays subscription gives you access to all features of the app, including: - Continuous automatic day and night tracking. - Clear Country views, quick and clear country summaries for every country as well as detailed travel movements for all countries of the world. - Timeline, a chronological record of your travel, with entry and exit dates and times. - Exportable Data to send to your advisor. - Editable Trips, fully flexible trip editing. - Add Previous Days - starting mid-year? No problem, add back your previously tracked days. - Rolling 180 Days - Schengen (EU) day counting - Rolling 365 Days – Day counting for New Zealand and Malaysia residence - Non USA Days, for the US Foreign Earned Income Exclusion. - Adjustable date ranges, between any two dates. - Location maps Notes: TrackingDays works with regular movement, please move your phone approx 500m daily. If for any reason you will not move this distance every few days, please restart your App from time to time to ensure location tracking has not been disabled by iOS. USA State Tracking? Please search up our sister App - TrackingStates. Terms of use trackingdays.com/terms/ TrackingDays is an actively managed and established App, with regular improvements and updates and responsive customer support. We appreciate all of our loyal customers and love to hear your feedback and suggestions. We are committed to improving our Apps to meet your needs. Contact us Go to trackingdays.com – support – Submit a request.

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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
Zustand
Supabase
React Navigation
React Native Reanimated
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.