SparkNotes is described as 'Sparknotes provided Summaries and analyses of novels, plays, literature, poetry, history, film, and philosophy. Later, SparkNotes expanded to provide study guides for a number of other subjects, including biology, chemistry, economics, health, math, physics, and sociology' and is an website. There are more than 25 alternatives to SparkNotes, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad and SaaS apps. The best SparkNotes alternative is Littler Books, which is free. Other great sites and apps similar to SparkNotes are BookWatch, Blinkist, Uptime - Learning and Shortform.