Apps That
Went Free on
2015-09-26

No matter where you’re traveling, Track Kit will be able to record your entire journey for you. It’s great for hiking, hunting, boating, and even just road tripping. It’s able to record your routes with waypoints, and you can attach notes, audio recordings, and photos to provide context. Track Kit is also loaded with tools to help you measure the distance between points, radius, incline, direction, and speed.

The Sentinel series is back and better than ever in this latest installment. Sentinel 4’s campaign is huge, spanning 26 unique maps that will have you fighting back the alien horde with all new towers and units to deploy. Sentinel 4 is also visually superior to previous installments thanks to real-time dynamic lighting and shader effects that bring a whole new level of fun to the experience. Once you’ve completed the campaign, you can go back through each level to see how long you can survive in endless mode.

PDF Smart Convert supports more than 200 different file formats, allowing you to create PDFs from just about anything including clipboard content, web pages, photos, iWork documents, and MS Office documents. You’re even able to scan physical documents with your iDevice’s camera and turn them into PDFs. Your newly created PDFs can be managed and stored within folders, or sent off to your favorite cloud service. You’re also able to move files via email, Wi-Fi, or iTunes File Sharing.

At first glance, Universal Zoom may not look like much. But once you dig in you won’t be able to stop exploring. The app includes more than 200 objects that are presented in high-resolution and completely to scale. Simply swipe in any direction to move through the objects and see how they compare in size to the rest. The scale ranges from Planck Length to 93 billion light years, so there’s a lot to see. You’re also able to choose objects and compare them directly against others.