Hotspot on plus is 10Mbps while on the Pro it is 15Mbps. You have the same priority data on either plan, your speeds will still depend on traffic but you have the same priority as Verizon post paid customers. You do have international calling and texting is unlimited on plus but of course it is limited to Canada and Mexico while the Pro give you 85+ countries to call and over 200 to text. You have Global Pass on the plus plan, the difference is you can only collect 1 pass per month on the plus while you can get 2 per month on the Pro, there is still a 12 global pass max limit for both. You do have free International calling while in Canada, Mexico, US Virgin Islands and Puerto Rico on both plans. As you mentioned mentioned the Pro only has smartwatch plan for Apple, Google and Samsung watches to where the Plus is a $10 add on. I don't think I missed anything but you can check out the website and click the plans tab there is a a list of all three plans, for more details of each plan click the sentence "get full plan details" below the price in the blue box at the top of each plan.
