Best apps like Shadowspec

TaxTrack: Residency Tracker

by New App Venture LLC

Free

This app helps travelers and remote workers monitor their residency exposure by tracking days spent in U.S. states. It provides a clear overview of annual totals, per-state days, and proximity to state thresholds, with privacy-first local data storage.

dbDOSE Decibel Sound Meter

Decibel Meter

$2.99

Measure ambient noise levels, frequency components, and daily noise exposure in real-time. This tool helps monitor your environment and understand potential hearing risks with detailed analysis and session recording.

GasOwl

Wise up your gas supply

Free

This app monitors your gas bottle levels and usage, providing alerts for low supply, unusual consumption, and potential leaks. It integrates with a smart scale to offer automated reordering and detailed energy analysis.