Sketchize is described as 'is built for UI/UX Designers to help them design lovely apps for mobile, tablet and desktop devices. Just choose any of the sketch sheets that fits your project, print it out and start to sketch your dream!' and is an website in the development category. There are eight alternatives to Sketchize, not only websites but also apps for SaaS, Mac, Windows and Linux. The best alternative is Placeit, which is free. Other great sites and apps similar to Sketchize are Mockuuups Studio, Magic Mockups, Smartmockups and mockDrop.
Placeit will cut your efforts in finding the perfect mockup design for your products! You can find a variety of free mockups and demo videos suitable for your marketing. You can get a paid subscription for more options like discounts on watermarked designs, logos, and videos!
Mockuuups Studio is a drag-and-drop tool for macOS and Windows to create beautiful app previews and marketing materials. No photoshop needed, simply drag your screenshots into the app and select from over 250 mockups, precisely retouched, categorized by the type and ready to use.
Free online device mockup images. mockDrop is a webapp for creating beautiful device mockups. Use mockups to showcase you website or app without the need of specialized photography equipment. All mockups are fully created in the browser.