Corporate travel departments can acquire risk apps, TMC apps, expense apps — and of course also booking and itinerary apps. Some want supplier-agnostic, custom apps but don't have the resources to build their own. In the market for a little branding, or more? There's an app maker (or two) for that.

Originally a language translation app, four-year-old TripLingo also is a risk app. It now has features to . . .

The full content is available to subscribers