Volleyy alternatives

Learn what your subscribers enjoy reading, and what they don’t. Letterlike adds a like button to your newsletters, and is a fun and simple way for readers to give feedback on your content.

Responsivize is an open-source desktop app that you can use to develop responsive websites! In the app, you can test your web apps on popular iPhones, Android phones, iPads, MacBooks, and you can even set custom dimension devices!

HeyMark provides a new powerful way to manage and interact with your favorite newsletters where you have control over how and when you get them.