In order to download the Readly app onto your iOS device, you will need to have iOS 10 or later. For Android devices including Kindle Fire, version 4.0.3 or later is required.
The apps are available for download here:
Google Play Store
Amazon App Store
If your device does not meet the system requirements, you can read in the browser using a PC without downloading an app. To read via browser, please visit go.readly.com