The key decision behind using any imaging application lies with what the requirements are for the task at hand. You need to closely research the product and get really clear on both the product's strengths and its weaknesses.
15 Best Image Editing Apps on Mac 1.TWEAK PHOTOS: Tweak Photos is the best photo editing App for Mac available on Mac store. It is a useful software that lets you brighten thousands of photos with a single click. It enables you to rename and resize the entire batch of photos to save you from the hassle. You can apply filters, denoise a photo.
Also, take the time to look at the work others have created with the product. For example, if you are looking to create simple graphics or to touch up family photos, then an application without a serious number of filters and effects may just fit the bill. On the other hand, if you want to do compositing and add effects then a limited feature set may not be ideal for your needs.
Photos: This is Apple's replacement for iPhoto. You can take a look at my to get an idea of the capabilities of the new app. I think Photos will be a pretty good replacement for iPhoto users; Aperture users, not so much.: Aperture and Lightroom have long been the top professional photo management apps for the Mac. Many photographers have built their photo workflow using one or the other as the key image management app in their businesses. Lightroom may be a logical direction to move in, but first Adobe will need to come up with a graceful and easy way to migrate Aperture libraries, as well as offer equivalent workflow utilities. Lightroom is available for $119.88 with a one-year subscription that includes Photoshop CC; a demo is available.