Use Flexi on iPhone, iPad, Android, or a Mac with Apple silicon. Choose your device below to download the app and check the requirements.

Download Flexi

• iPhone and iPad: Get Flexi on the App Store. Requires iOS 18 or iPadOS 18 or later.

• Android: Get Flexi on Google Play. Requires Android 10 or later.

• Mac: Install the iPhone and iPad app from the App Store on your Mac. Requires macOS 15 or later and an Apple M1 chip or later.

If you cannot install Flexi, check your operating system version and available system updates. If you need help, include your device model and operating system version when contacting support.

Screens and controls

The layout adapts to the space available. On wider iPad and Mac windows, you can keep your deck list beside the selected deck. On iPhone, you can turn the screen sideways while studying, creating cards, or using Tutor.

On iPhone Duo, the wider display shows decks and cards side by side. In a seated position, the study card appears above the fold, with answer and rating controls below.

With a physical keyboard on iPhone, iPad, or Mac, you can reveal answers, rate cards, undo a rating, and play audio without tapping the screen.

FAQ

Can I use Flexi on an Intel Mac?

Flexi currently runs on Macs with Apple silicon, so it is not available on Intel Macs. You can still use it on a supported iPhone, iPad, or Android device.

Can I use Flexi in a web browser?

Not yet. We’re working on a web version of Flexi. For now, use the app on a supported device.

How do I start studying after installing Flexi?

Follow Get started with Flexi to create a deck, add a few words, and learn when to return for reviews.