Launch the app and you’ll be presented with animated images of a giraffe, the largest elephant, a human, and other creatures, along with a listing of their size. Universe in a Nutshell (opens in new tab) is a fascinating educational app that shows you the relative size of numerous things in the universe. (Image credit: Wait But Why & Kurzgesagt) Universe in a Nutshell To get even more in-depth, grab Redshift Sky Pro (opens in new tab) for $8.99 / £8.99 – a professional astronomy app with over 100,000 stars included. The Sky by Redshift: Astronomy is free to use, but there’s an optional $2.99 / £2.99 yearly subscription that removes adverts and unlocks additional features.

You can tap on each object to learn more about it, see how the sky differs from night to night, view spacecraft, and more, with over 9,000 stars, 88 constellations, and hundreds of moons, asteroids, comets, and deep-sky objects included.

So it’s great for identifying the distant lights you can see, but also highlights those that are too far out to spot without a telescope. Simply point your smartphone up at the sky, and the app will tell you what planets, stars and constellations are above it. The Sky by Redshift: Astronomy (opens in new tab) is a near essential app for anyone with an interest in our galactic neighbors. (Image credit: USM) The Sky by Redshift: Astronomy So if you’re serious about learning a language, it’s worth putting some money down and giving Babbel a try. Speech recognition means you can practice speaking the language, and you’ll also get to listen to it, read it and write it, so every aspect of language fluency is covered.īabbel isn’t free, but it has various subscription options available, and it feels more polished and comprehensive than many rival apps, and even goes beyond pre-built lessons to offer live classes that you can participate in. There are 14 languages to choose from and over 60,000 lessons, plus podcasts, flash cards, games and more.

Find out more about how we test.Īfter Duolingo, Babbel (opens in new tab) is perhaps the most famous language learning app around, and with good reason – this has all the tools you need to learn another language, whether you’re completely new to it or already speak some. Why you can trust TechRadar Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you.

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