Dr. Lana Soylu has prepared a list of apps she commonly uses:
a. Useful apps
i. Documentation/Writing/Presentations
1. Pages: word processor
2. Keynote: Presentations
3. Neunotes:drawing on pictures
4. Notes
5. WritePad: converts writing to text
6. Dragon Dictation
ii. Organization
1. Readdle Docs
2. I annotate
3. GoodReader (free)
iii. Pharmaceutical
1. epocrates (free)
2. lexicomp (free with ACH id)
iv. Journals
1. AAP News
2. [...]