What are some alternatives?
When comparing Storybird and Penana, you can also consider the following products
Storyboard That - Storyboard That is the world's best online storyboard creator.
Wattpad - Wattpad is now the worlds most popular ebook community where readers and writers discover, share...
My Storybook - Make children's storybooks online for free.
Commaful - Largest multimedia fiction site in the world. A lot of short stories, poetry, and fanfiction.
Fanfiction.net - The most popular fan fiction website in the world according to Wikipedia
Readitt - Online library and publishing platform