Best packing list app for solopreneurs

There are roughly 40-60 packing list apps on the market, but almost all target casual tourists, families, or business travelers with standard itineraries. The pain point solopreneurs face—packing for variable trip lengths, multiple climate zones, client meetings mixed with beach time, and the need to work remotely from anywhere—is largely unaddressed. Most existing apps are bloated with features tourists don't need (weather integration, social sharing) while missing what a solopreneur actually needs: rapid customization based on work type, client-meeting dress codes, timezone-aware packing (do I need winter gear if I'm flying to cold places but working in heated hotels?), and sync across devices for on-the-go edits. The real gap isn't the app—it's the smart defaults and templates built specifically for people whose luggage is also their office. A vibecoder entering this space should focus on ultra-fast list creation (under 2 minutes), work-specific category templates (client calls, co-working setups, gear needs), and mobile-first design since solopreneurs pack the night before travel, not weeks out.