Image Plus is described as 'Fine-tune, watermark, resize, rotate, crop, convert and apply artistic effects to your photos using Image Plus. If you have photos on your Mac that need to be adjusted and watermarked then you are in luck' and is a Image Editor in the photos & graphics category. There are more than 100 alternatives to Image Plus for a variety of platforms, including Windows, iPhone, Mac, Android and Web-based apps. The best Image Plus alternative is GIMP, which is both free and Open Source. Other great apps like Image Plus are Adobe Photoshop, Paint.NET, Affinity Photo and Photopea.