If you're looking for a Photo Eraser alternative, Pixlr is a good place to start. Pixlr has a range of AI-powered editing and design tools, including object removal, face swap and more. It's easy to use, with a user-friendly interface, and it's available on the web, desktop and mobile devices with a free trial and relatively cheap subscription plans.
If you're looking for something more specialized for product and portrait photos, Photoroom could be the way to go. Photoroom has tools like AI-powered background removal, retouching and image upsizing. It's geared for industries like beauty, clothing and jewelry, but it's available on desktop and mobile devices.