What are some alternatives?
When comparing Crello and Adobe InDesign, you can also consider the following products
Canva - Canva makes design simple for everyone. Create designs for Web or print: blog graphics, presentations, Facebook covers, flyers, posters, invitations and so much more.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Sketch - Professional digital design for Mac.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Adobe Creative Cloud - Adobe Creative Cloud is a SaaS offering for graphic design, video editing, web development, photography, and cloud services.
Affinity Designer - Professional creative software, exclusively for Mac.