Don’t Leave the Country Without Downloading These 5 Essential Travel Apps

One frequent traveler's must-have downloads for navigating language barriers, currency confusion, and staying connected abroad.
Updated June 4, 2026

It’s inevitable. You’re going to run into bumps traveling internationally. Most often, they’ll involve one of three things: communication, navigation, and payments. 

A few decades ago, those issues were solved by listening to lengthy language tapes, relying on a paper map, and the hope that you would remember the conversion rate clearly. 

Thankfully, these days, your smartphone, and its wealth of apps, can handle much of the heavy lifting for you.

Here are the apps I consider essential to download before any international trip, especially to any new place I haven’t visited before.

In this article

1. Google Maps

Google Maps is still the most essential app I rely on when traveling internationally, and chances are, you already have it on your phone. What makes it particularly useful is the app’s ability to download entire cities for offline use. I typically download maps before departure so I can navigate even if cellular service is wonky.

The app provides walking, driving, and public transit directions, which are obviously useful, but I also use it to find nearby restaurants when I get hungry, or to save the location of a store I want to visit again later.

I also create custom lists of restaurants, hotels, and landmarks in the area I’m traveling to in advance, which makes it easier to stay organized once I arrive.

The app is free, and its reliability is difficult to match. In cities with complex transit systems or limited English-language signage, having offline navigation alone makes it worth downloading.

2. Google Translate

I seriously don’t know how I survived traveling internationally before Google Translate. It’s free, one of the most practical tools for getting around in a country where you don’t know the language, or your language knowledge is limited. 

You can type what you want to say to someone into the app in English and have it read aloud in their native language. You can even use it to speak back and forth.

The app supports text, voice, and camera-based translations, which can be especially useful for menus, signs, and transportation instructions.

I’ve found the camera feature particularly helpful in restaurants, where I can take a picture of a menu and it translates printed text in real time. 

Like Google Maps, it also allows you to download languages for offline use, which you absolutely should do before you go.

3. Xe Currency Converter

Unless the conversion is close to 1:1, converting prices while on the go can be a nightmare. Xe Currency Converter is a simple app that provides real-time exchange rates and lets you quickly convert prices.

I tend to use it frequently during the first few days of a trip, especially when adjusting to a new currency. The app also supports offline use by storing the latest updated rates, which is helpful when data access is limited.

The app’s main features are free, with some optional premium upgrades. For most folks though, the free version is more than enough.

4. WhatsApp

Once you leave the United States, it seems like everyone uses WhatsApp for its free and convenient international communications.

The app lets you send messages, make calls, and share your location over Wi-Fi or data, avoiding international SMS or call charges. I’ve used it to coordinate airport pickups, confirm reservations, and stay in touch with local contacts.

Many hotels, tour operators, and drivers rely on it for messaging since it’s so prevalent globally, so it's useful to have it installed before arrival. It’s easy to set up, and in many destinations it becomes the primary way to communicate, making it one of the most practical downloads before a trip.

5. Airalo (eSIM data app)

If, like me, you have a phone plan that doesn’t allow for use during international travel, Airalo is one of the easiest ways to set up mobile data abroad without a physical SIM card. 

The app allows you to purchase and install eSIM data plans for specific countries or regions directly on your phone. This will then provide you with a local number and data access without having to use your traditional plan.

Plans vary by country, but many are relatively affordable compared to international roaming fees.

Not all phones support eSIM functionality, so it is worth checking compatibility in advance. For devices that do, Airalo offers a straightforward way to stay connected without having to search for a SIM card upon arrival.

​The Shortcut

  • The right apps can replace multiple travel tools, from maps to translation to currency conversion.

  • Offline functionality is key when you’re navigating unfamiliar places without reliable data.

  • A mix of planning, navigation, and communication apps creates the most seamless travel experience.

Author details
Emily Price
Emily Price is a Durham-based writer specializing in travel, spirits, and technology. Her byline has appeared in The Wall Street Journal, USA Today, Condé Nast Traveler, Elle, Fortune, Time, Fast Company, and more.
Emily Hochberg Author
Editor details
Emily Hochberg
Emily Hochberg is Travel Bulletin's Travel Editor, and has over 15 years of experience covering transportation, hotels, luxury, destinations, family travel, and lifestyle. In addition to Travel Bulletin, her byline has appeared in National Geographic, Travel + Leisure, Food & Wine, The Los Angeles Times, and The Points Guy, among many others. She was also previously the Senior Travel Editor at Business Insider.