Zerobooks is a digital library that gives you access to thousands of light novels and web novels through a reading app.
Novels are categorised into genres making easy to discover your favourite novels. You can also bookmark your favourite novel series and downloading to read offline.
Novels are saved to your iPhone and available to read offline.
A one time purchase fee of $10.99 is required to download the app within which there are no In-App purchases or ads.