D20PRO vs Roll20

D20PRO is a multiplayer virtual tabletop for role-playing games, with automated play tools and controls that leave the Game Master able to approve or delay actions, adjust rules, and create scripts. It supports D&D 5E, 3.5 and 4th Edition, Pathfinder, and Starfinder, and can be extended to other systems. Combat automation covers attacks, damage, ongoing effects, initiative, movement, saving throws, checks, and area effects. Maps support fog of war, hidden areas, distance and line-of-sight measurement, map libraries, and drawing from images. Game Masters can share private notes and files as handouts. It supports online sessions and in-person play without internet, and imports information from Hero Lab and PC Gen. A free Guest License lets a player join when the host has an open guest seat. The Player License is $10 as a one-time purchase; the GM License is $42 as a one-time purchase. It runs on Linux, macOS, and Windows.

Roll20 is a browser-based virtual tabletop for playing tabletop roleplaying games and board games online. It supports D&D, Pathfinder, and more than 1,200 game systems, with built-in character sheets for over 250 systems and the option to design your own. The tabletop combines voice and video, live chat, 3D dice, handouts, digital tokens, and effects. Game masters can use Dynamic Lighting and Fog of War, and create maps with Dungeon Scrawl. Macros automate rolls, spell effects, and character actions; extending the service through its API requires Pro. Dungeon Scrawl maps can sync to a Roll20 game page, alongside connected Roll20 Characters and Compendium features. The free tier is available indefinitely and includes base tools, 100MB of storage, and ads. Pro costs $8.33 a month, billed $99.99 pay once a year; Elite costs $12.50 a month, billed $149.99 pay once a year. Chrome and Firefox fully support the VTT.