Imagine The Scale ★★★★★ ($2.99 / App Store) for the iPhone is an app the visually and understandably shows the scale of the smallest to the biggest things known in the known universe. If you have the slightest interest in science or just space, you need to get this app and don’t be scared off by the current 2.5 star average on the App Store. Despite the fact that it was last updated in 2009 and lacks retina display support, this is such a creative and fascinating app we give it 5 stars. It starts from a helium atom to humans to planets to galaxies and more. All objects can be tapped for more details. It also has an awesome classic space opera theme song to go along with this “journey”
Advanced English Dictionary & Thesaurus ★★★★☆ ($.99 / App Store) for the iPhone is the best dictionary / thesaurus app available for the iOS even with the existence of Google search. Unlike a typical dictionary, AED shows how every word is linked to another. When looking up a word, the app will give you the definition, synonyms, antonyms, hypernyms, meronyms and more. If you need a dictionary app, AED is the one download.
The Elements ★★★★★ ($9.99/ App Store) for the iPhone and iPad is an interactive periodic table app. Sounds boring but once you actually use the app, you will realize how interesting the elements are even if you never cared for science. Having a massive download size of 1.21 GB, this app contains a significant amount of detail and movable element images in satisfying HD. If you can spare the space in your iPhone or iPad and have the slightest interest in science, The Elements by Theodore Gray is well worth the cost.
Solar Walk 3D Model ★★★★★ ($2.99 / App Store) for the iPhone and iPad is a phenomenal educational (and entertaining) app of our Solar System in great detail. It is a highly interactive letting you zoom in and zoom out at any angle from the entire Milky Way Galaxy to as close to as all the planets, moons and satellites our our own system. Everything is also positioned with actual time and clock. So adjusting the date will position the planets and other bodies to where they actually were at the time or will be in the future.

