Fontstore is described as 'Subscription-based access a growing collection of exclusive fonts' and is a Font Host in the OS & Utilities category. There are more than 10 alternatives to Fontstore for a variety of platforms, including Online / Web-based, iPhone, iPad, CorelDRAW Graphics Suite and Vectornator. Most alternatives are Font Hosts and Font Library Tools. The best alternative is Google Fonts, which is free. Other great apps like Fontstore are Fonts.com (Paid), Befonts (Free Personal), Fontsrepo (Free) and iFont (Free).
Google Fonts lets you browse all the fonts available via the Google Fonts API. All fonts in the directory are available for use on your website under an open source license and are served by Google servers.
The Fonts.com store offers more than 150,000 desktop and Web font products for you to preview, purchase and download. You can also learn about new typeface releases and discover typographic tips and techniques.
Easy Fonts makes it much easier to use fonts in your development and production environment through the use of readily available CSS classes for each font family and font variant. With Easy Fonts, you no longer need to edit CSS to apply fonts.
Fontinator lets you import any of your font files (.TTF, .OTF) and install it onto your iOS & iPadOS system. That means that your new custom fonts will work on any app that supports custom fonts like Pages, Keynote, or of course, Vectornator.