From booking an airport lounge to finding the perfect outdoor adventure to experiencing walking tours with audio narration, the following travel apps help you travel smart a make the most of your vacation.

FLIO have partnered with over 3000 airports to provide information that helps travelers move around with ease.

The app maps out locations of various amenities such as charging stations provides real-time arrival and departure flight information and also shows any available discount offers for food and beverage and duty-free shopping among others. At certain airports, you’ll get tips on the best way to get around or to the nearest city.

One of its most convenient time-saving features is the option to automatically connect to an airport’s WiFi without entering your personal information each time you need to access it. An in-app purchase feature lets you book access to over 100 airport lounges, reserve a parking space or obtain transportation tickets to the nearest city when available.

FLIO benefits both frequent flyers and the occasional traveler and is free to download on both iOS and Android devices.

LoungeBuddy is designed for those who prefer to spend their airport layover in the comfort of a lounge.

This app lets travelers know which lounges they have access to based on their flight details, credit cards, and airline membership or which ones they can buy access to. Access can be purchased the day you’re traveling or up to two months prior and you’re guaranteed the best price available.

Should you find a lower price for the same within 24 hours of reserving, you’re entitled to 100% of the difference plus 25% of the same as credit for a future booking. With this app, you’re also able to purchase gift cards to give to others so that they may purchase lounge access.

Both frequent flyers and the occasional traveler can benefit from this app that’s free to download and available on both iOS and Android.

Tripit helps frequent travelers stay organized by compiling travel details from confirmation emails in one location. The app is available on both iOS and Android and comes with free and paid version.

The free version referred to as Tripit features the ability to selectively share travel arrangements, smartphone/tablet access, and calendar syncing among others. The paid option referred to as Tripit Pro is $49 per year and comes with a free 30-day trial. In addition to the features offered with the free version, it sends real-time flight alerts, helps you locate alternate flights in case of a cancellation, tracks reward-program points, notifies you of potential refunds, and automatically shares travel information with selected individuals. It also comes with discount offers for apps like CLEAR and LoungeBuddy.

When it comes to transportation, most travel apps focus only on car rentals options. Car rentals can quickly get pricey when you factor in things like fuel and insurance, and not to mention the stress of driving in a foreign place. Wanderu is a travel app that gives you more transportation options to choose from, and they have partnered with companies like Amtrak, Jefferson Lines, Greyhound, and Burlington Trailways among others.

You can search and compare prices for trains, buses, and ferries in addition to car rentals, flights, and hotels. Tickets can be purchased on the app and do not include booking fees. The app is available on both iOS and Android. It should be noted though that refunds can only be provided by the provider of the service and not Wanderu and options are limited to North America & Europe.

Viator is a travel app that saves you from having to search multiple sites for day trips, tours, and other similar activities. It’s a member of the TripAdvisor family, and they have partnered with tour operators in over 1,500 destinations all over the world. They offer both individual and group and guided or self-guided tours at discounted prices, special last minute pricing as well as private viewings, access to the front of the line and 24/7 travelers support. Travelers can watch videos or read guides and recommendations from experienced travel insiders.

The app is available for iOS and Android, and all purchases come with a low price guarantee. If you find a lower price for the same tour being offered by the same operator within 72 hours of booking, you are entitled to a refund for the price difference. The guarantee also applies when you get to your tour destination and find the operator offering it for less than you originally paid.

CityMaps2Go is a travel app that lets travelers be spontaneous while still having access to information that helps them discover amazing places wherever they are.

With this app, you can download an offline map for a city, region, or even a whole country and access it without data or internet. You can also use color-coded personalized labels to save favorite locations or keep you from getting lost. The app can be used to plan group trips with a feature that lets you share travel lists with fellow travelers.

The app is available for iOS and Android, and there’s a free and paid version. The paid version is referred to as City Maps 2Go Pro, and it is add-free.

Detour is a travel app that lets users explore various sites through guided audio tours. Tours are narrated by people like Ken Burns, Radiolab, Errol Morris, Philip Petit and the app uses GPS to keep them synced to the location, so your attention is always on what you’re seeing and not on your phone. You can also sync with your friends to share the experience.

The app is available for iOS and Android but currently only has audio tours in San Francisco, New York, Chicago, Los Angeles, Austin, London, Paris, Rome, Berlin, Barcelona, and Marrakech.

The Outbound is a must-have travel app for outdoor lovers. The app lets you search for all kinds of outdoor adventures like hiking trails, campsites, waterfalls, or safaris all around the world. You can search for your next adventure by location, skill level, season, or activity. Each adventure comes with a detailed description and pictures to give.

The app is available for iOS and Android, and users can share their travel experiences by writing blogs or uploading pictures they’ve taken. The company also hosts outdoor adventure camps in various locations that you can sign up for on the app.