On Truelearn, you can search through the questions to find ones with a matching Key Term. For instance, I can create a practice test that only contains questions related to Diabetes. Here, I can only create a test that pertains to all of Endocrinology. On UWorld, you can see the subsets of each subject. For instance, I can click "Microbiology" and then further specify the topic I am interested in "HIV". 

When it comes to studying, sometimes in your sets there are some 'plug and chug' type questions that are considered 'easy' and have a high percentage of students getting them right.  A basic appendicitis presentation, for example.  I think a cool feature would be to be able to sort questions by difficulty (based on percentage who answer right).  You can review your questions based on difficulty already (easy, medium, hard).  Perhaps you want to knock out all the 'easy' ones first as a warm up.  Or you only want to do 'hard' questions because you want to focus your studying on the perceived 'harder' topics/questions.  I think this would make the product more valuable to those who want to really narrow down what they're studying.

I am trying to study with COMQUEST both for my Year 2 second semester classes and for board prep. I need to be able to tailor my questions to what I am covering in class. Smaller topics such as "Teratogenic diseases" and "Failure to thrive" are what I'm covering in class and will be very highly testing on COMLEX Level 1 per the COMLEX Blueprint however I have no way to find these topics in particular in the Exam section on CONQUEST. The options are only very broad and I dont have time to search through every question just to find the few related to the topic I'm currently studying. This is very frustrating and forces me to use other banks such as Amboss and USMLE Rx even though they may not be geared directly to COMLEX, they have the specific questions that I need. For this reason I am less inclined to recommend COMQUEST to other students

It would benefit my pineal gland if there was a dark mode for the dashboard as well.

Allow unhighlighting of the last highlight command with a single click instead of having to highlight the entire highlighted section to unhighlight. 

I reset my score because I finished the questions and wanted to start over, but I like having my marked questions to make specific exams from... if all questions could be reset to new then being about to do "new" questions while making "marked" exams so I don't repeat questions I just saw 

I wish there were more pictures in the explanations. For example, there are so many questions where the explanation will include a description of histology, but it would be really nice to just have that picture there as well. 

Each day send a short reminder of a wrong answer for repetitive learning

It would be nice if we could select all incorrect questions both by system and difficulty.  That way we can see where there is a pattern of specific topics/concepts that we are weak in.  It can be very frustrating when reviewing and you keep making new notes on a topic you already made notes on.