Overall this is the best tool I've found for keeping track of your final travel plans. Any booking emails you get, just forward them to Tripit and it's processed and added to the plan almost instantly. You can also set up alternate emails if you have different addresses or multiple planners. iCal integration is really nice. Can be frustrating in a few ways: no calendar view for planning before you book, you can't attach a PDF receipt to your plans, the UI is old and awkward (but the mobile app is a bit better). However overall it does the basics better than anyone else so it's what I use every time.
- I used Tripit Premium for years, but the product fell behind the times and spurred me to look for alternatives. Tried Google Trips and Kayak's similar app, but so far Pana is my favorite and I've stuck with it for about 6 months so far. Haven't tried their paid travel agent/concierge service yet, but the free app is pretty great. It does a good job scraping flights/hotels/etc. from your email inbox (works >95%) and checks you in for flights (works >90%). The only feature I really miss from Tripit is the calendar feed--but that's what I keep Tripit Free around for! ;)