Best travel expense tracker for digital nomads

There are roughly 40-60 travel expense trackers on the market, but most are either bloated finance apps (YNAB, Mint) designed for stationary users, or bare-bones travel tools that lack automation. The real pain points are: multi-currency reconciliation delays, inability to categorize recurring expenses across different payment methods, poor offline functionality in areas with spotty connectivity, and zero integration with travel booking platforms (flights, accommodations, visas). The gap isn't in tracking—it's in predictive budgeting and real-time alerts when you're off-pace for a specific country or trip phase. Most competitors chase feature parity instead of solving the nomad's actual workflow: they land in a country, immediately need to know what they've spent, what's left, and what their burn rate looks like in local currency. A vibecoder entering this space should build for async use (offline-first), with one-tap expense capture via voice or photo receipt, instant multi-currency conversion tied to actual exchange rates at point-of-purchase, and a dashboard that shows spend velocity by location, not just category. Integration with Wise, Revolut, or other nomad-friendly banking platforms is table stakes—but combining that with visa-run budgeting and group expense splitting (for co-working or shared accommodation) would differentiate immediately.