When comparing Tracker PDF XChange Pro vs Sumatra PDF, the Slant community recommends Sumatra PDF for most people. In the question“What are the best PDF viewers for Windows?” Sumatra PDF is ranked 1st while Tracker PDF XChange Pro is ranked 11th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Plenty of functionality, very detailed, fast work , new 3d content, managing layers, sessions, Ribbon UI
Pro Great and fast support
Pro A portable version is available
A version of the software that can be used without installation is available. It allows you to store the software on an external devices such as a USB thumb stick and run it from there.
Pro Starts quickly
Pro Free and open source
Sumatra is available for free, licensed under GPL with source code available on GitHub.
Pro Low resource usage
Pro Does not have heavy editor features
Annotations and other heavy features are just not needed in reader.
Pro Extensive keyboard shortcuts
Pro Elegant interface
Pro Portable
The application consists of a single file that can be run without installation. You can put it on an external device, such as an usb thumb stick and run it on any Windows machine from the thumb stick.
Pro Multilingual
It's available in 69 languages.
Cons
Con Functionality is dispersed between three applications
Converting office documents is done with Office2PDF5.
Con Windows only
Con Lacking in features
Sumatra aims for simplicity at the expense of functionality. For example, there's no way to annotate PDFs or edit them.
Con Fonts are not smooth enough
Not as smooth as e.g. Adobe Reader. No anti-aliasing
Con Cannot crop empty fields
Just got used to this killing feature on Goodreader on Mac.