My TravelApps are:
- Checkmytrip / Kayak (Flight informations)
- Skiplagged (To find cheapest fares in case of traveling only with hand luggage)
- Momondo / Swoodoo / Skyscanner (Find cheap flights via OTAs)
- Yelp (To find good restaurants)
- Google Maps (Using it to navigate with offline maps)
- Agoda / Booking.com/ Hotel Tonight / Expedia / Trivago (Hotels)
- Uber / Grab (Asian Uber)
- Seat Alerts by Expertflyer (Check seat maps)
- iPass (Internet on airports and so on, not free)
- VPNUnlimited (To get a VPN Connection back home, lifetime account for about 30$ bought via stacksocial.com)
- Revolut (Debit Card with interbank exchange rates, easily the app that is most important to me while traveling)
- Google Translate (Depending on the country very useful to live-translate directly via the camera specially if characters are not latin)
- SeatGeek / TicketFire / Stubhub (In case I'm on vacation in North America and hunting for US Sport tickets)
- LoungeBuddy (To check available lounges)
- CamperMate (for Camper Vacations in New Zealand or Australia)
- DragonPass (Never tried it, just got it via the latest Dufry promotion, will be trying it as soon as I can)