4peaks is described as '4Peaks - For Peaks, Four Peaks. The award winning 4Peaks helps molecular biologists to visualize and edit their DNA sequence trace files. Analyzing your sequence has never been so much fun!' and is a DNA Editor in the education & reference category. There are more than 10 alternatives to 4peaks for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best 4peaks alternative is VectorBee, which is free. Other great apps like 4peaks are BioEdit, Chromas, Genophore and Benchling.
4peaks is a very friendly user interface with the ability to import traces in a .ab1 format. I was unable to find that in SnapGene Viewer. For my purposes, it was more than what was necessary which made it difficult to find what I needed to use it.