GIMP is free; Whimsical starts at $12/mo. Whimsical is rated higher at 4.7/5 vs GIMP's 4.3/5.
Free open-source image editor as an alternative to Photoshop
Visual workspace for flowcharts, wireframes, and mind maps
Independent analysis based on features, pricing, and user ratings
GIMP uniquely offers Photo Editing, Layer Support, Masks & Channels. Whimsical uniquely offers Flowcharts, Wireframes, Mind Maps. Both share 0 features.
GIMP is free; Whimsical starts at $12/mo.
Free tier available
Free tier available