addappt is a free app on iOS, Apple Watch and Android that enables friends to keep each other's contact information up-to-date and message each other with one 'tapp'.

Download the number one free dictionary app with English language learning tools and free word games built for every level of learner.

Keep up with Smithsonian Channel's original series and documentaries, and explore our vast video library with our award-winning universal iPhone, iPad and Apple Watch app. A Webby Award winner and SXSW Interactive Award nominee, this app introduces a brand new way to watch, find, and explore over 1,000 short videos and free full episodes. It also allows you to personalize your own version of the channel by selecting your favorite topics. Here, discovery is at your fingertips, and curiosity is rewarded. And with constant additions to our library, you're guaranteed to find something new every time you open this app.

Sky Live is a great app for planning the star observations and for making gorgeous photos of the starry night sky. Lots of astronomers and night sky photographers worldwide have chosen the app to help them in planning their nights out for watching stars, planets and constellations.

Spanish To English and English To Spanish both sided Offline Dictionary. Specially made for fast learners whose native language is Spanish and want to learn English and also who knows English and want to learn Spanish. Very useful for Spanish speaking & Spanish Students residing Europe or non Spanish environment and want to learn English. Focused on Spanish students residing abroad for higher study.

Find out where you came from and view photos and records of family members from long ago with the Ancestry app.

Ever wanted to know more about ships and boats, or track a vessel around the globe? Boat Watch lets you spot and identify boats and ships in an instant.

Acuity: sharpness or keenness of thought, vision, or hearing.

FEATURES that make WordBook stand out from other dictionary apps:

LookUp is an offline english dictionary for your Apple Watch.

The Bump’s free pregnancy app is the most loved baby and pregnancy tracker for expecting and new parents, providing features you won’t find on other baby apps:

World of Snakes is a great collection with most interesting snakes species.

The popular Merriam-Webster Dictionary & Thesaurus is now accessible right from your wrist. With its Apple Watch extension, the portal to vocabulary improvement is just a turn of your wrist away.

If you are expecting, there is no better app to have than Pregnancy & Baby, What to Expect. The app will help guide you through each trimester and provide you with the tips and answers you need as a mom-to-be.

还是不买？去还是不去？红色还是蓝色？今天还是明天？左右为难，难以抉择！用＂天来定＂吧！你选不定，天来定！

Owls Guru is an excellent collection with photos and info.

Exclusive for the Apple Watch ONLY! If you do not have an Apple Watch then PLEASE DO NOT DOWNLOAD THIS APP!!!

AD FREE–– CONSTITUTION and THE FEDERALIST PAPERS app is the best way to learn about the Constitution of the United States. Not only does this app contain the full text of the Constitution, the product also provides an explanation for each and every clause, as well as commentary on each of the amendments.

Contraction Monitor is designed for pregnancy mums to track contractions.

Contraction Monitor is designed for pregnancy mums to track contractions.

Baby Kicks Monitor is designed for all the pregnancy Mums as a baby kicking counter.

"Contraction and Kick Counter" is the simplest way to track your contractions or to count your baby's kicks. No clumsiness, just tap and record the data.

Whether you want to visit a Maryland State Park, go hunting or fishing, explore waterways by boat or kayak, or simply watch wildlife, the AccessDNR app provides all the information and services you need on the go.

Hummingbirds Species is a great collection with photos and info. You can zoom photos, view info, edit and share photo with friends.