Download Duolingo: Language Lessons

The App Store lists the iPhone version at 512.5 MB. Leaving at least another 100 to 500 MB free is sensible for updates, cache and any lesson data stored on the device. The Android listing does not publish a size, so the store page is the source of truth.

Yes, when it comes from Google Play or the App Store. Both stores scan submitted apps, which is the safest route for an official app in the UK. Unofficial installers and altered builds should be avoided.

With a 512.5 MB iPhone build, download time depends on connection quality. On Wi-Fi, it may take a few minutes; on 5G it can be similar if the line is uncongested; on 4G it may take longer. Store overhead and network congestion can extend that.

The usual causes are low storage, a weak connection, an interrupted store session, an incompatible Android or iOS version, or a stuck Google Play cache. Restarting the device and checking free space often clears the issue.

On Android, open Google Play, tap Install, then launch it from the home screen or app drawer. On iPhone or iPad, open the App Store, tap Get, authenticate if asked, then open the app. First launch may prompt for account setup.

Yes, but the official desktop route is Duolingo on the web at duolingo.com, which the description explicitly mentions. That is preferable to using an Android emulator on Windows or Mac, where performance can vary.

Google Play lists PEGI 3, and the App Store lists 4+. That indicates very mild content suitable for general audiences. Device-level parental controls can still be useful for managing screen time.

The app is free to download and the description says every language course is free. It also points to Super Duolingo, which adds paid extras such as no ads and Unlimited Hearts. Paid upgrades are bought through Google Play or the App Store, and there is no legitimate way to unlock them for free.

The store description does not clearly promise offline use, so connectivity should be assumed for normal lessons and progress syncing. That makes Wi-Fi or mobile data the safer expectation for regular use.