Days - Travel Tracker

Days - Travel Tracker

By Formula Labs

Days is a privacy-focused travel utility for iOS that tracks residency days against tax and visa thresholds.

The App DNA

What makes this app unique?

It removes the cognitive cost of manual day-counting for travelers who need to avoid overstaying visa limits or triggering tax residency in foreign jurisdictions.

For Frequent international travelers and digital nomads managing visa and tax residency limits.

What does it look like?

Key features

Country-Specific Residency Presetsedge

Calculation templates for UK, US, and Schengen rules reduce regulatory friction.

Local Data Storageedge

All data resides on-device, eliminating privacy concerns for sensitive tax information.

Color-Coded Progress Warningsstandard

Visual alerts for approaching residency limits encourage recurring usage.

How much does it cost?

freeFree: Full access to all tracking features and presets

Days operates as a free, privacy-focused utility with no current monetization or subscription gates.

Velocity

Maintenance developmentUX improvementsShow more...

The app currently operates on a maintenance cadence, with only one release shipped in the last 120 days. Development activity is limited to infrequent updates, and the latest release focused on dashboard and feature refinements rather than significant new content. There is no evidence of a live-ops strategy or frequent feature iteration. The current pace suggests a focus on stability rather than active growth.

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Who built it?

Formula Labs

1 app tracked · Travel

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Days - Travel Tracker

How's the Travel market?

Days maintains a focused utility position in the Travel category, relying on a privacy-first value proposition rather than chart-driven growth. The absence of monetization gates suggests a developer focus on user acquisition through utility rather than immediate revenue extraction.

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The rivals identified

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The Analyst's Read

Key takeaways for Days - Travel Tracker

Where is it heading?

The travel utility market is increasingly favoring apps that offer automated compliance over manual tracking. Days remains advantaged by its privacy-first stance, but the lack of active feature development risks losing ground to more aggressive competitors who may add residency tracking to broader travel suites.

  • The 17-week update cadence indicates a stable maintenance posture, which prevents feature erosion but limits the ability to respond to new visa regulations.

The SWOT

Core Strengths
  • Local-only data storage eliminates privacy concerns for sensitive tax information
  • Calculation presets for UK, US, and Schengen rules reduce regulatory friction
Critical Frictions 2 weaknesses inside
Growth Levers
  • Introduce Pro tier for multi-country tax year reporting
Market Threats 1 threat identified

Next best moves

1 Invest

Ship a Pro tier for advanced tax reporting because the current free-only model lacks monetization levers → unlock revenue from power users

The counter-intuitive read

The privacy-first, local-only architecture is a retention lever…

Read the full take

Since the last report: The developer has shifted from a maintenance-only posture toward a monetization strategy, prioritizing a Pro tier for advanced reporting over UI refinements. The app's utility has also expanded to support custom country limits beyond the original three presets.

Bottom line

Days provides a clear, privacy-focused utility for residency tracking, but the current maintenance-only release cadence leaves it vulnerable to feature-rich competitors. Prioritizing a Pro tier for advanced tax reporting would unlock monetization potential without compromising the core privacy value proposition.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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FAQ

Is Days safe to use for tracking tax residency?
Days is designed with a privacy-first approach, storing all data locally on your device. No account is required, and no data is collected, which minimizes the risk associated with storing sensitive tax information.
Does Days support countries other than the UK, US, and Schengen?
Yes, Days allows you to set custom day limits for any country, providing flexibility beyond the built-in presets for UK, US, and Schengen rules.
Is there a paid version of Days?
Currently, Days is entirely free and provides full access to all tracking features and presets without any subscription gates or hidden costs.

Sources

  1. [1] App Store, source
  2. [2] Privacy Policy, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Days - Travel Tracker, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The developer has shifted from a maintenance-only posture toward a monetization strategy, prioritizing a Pro tier for advanced reporting over UI refinements. The app's utility has also expanded to support custom country limits beyond the original three presets.

shifted

Monetization Strategy Pivot

improved

Expanded Country Support

added

Formalized Weakness and Opportunity

Cite this report

Marlvel.ai. “Days - Travel Tracker Intelligence Report.” Updated Aug 20, 2026. https://marlvel.ai/apps/days-travel-tracker

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