This article is a reproduction of my chapter in the book, UX Storytellers- Connecting the dots, edited by Jan Jursa of IATV. You can download it for free or get it for the Kindle at Amazon. Other contributing authors include Deborah Mayhew (author of Cost-Justifying Usability), Aaron Marcus (author of The Cross-GUI Handbook for Multiplatform [...]
Heuristic evaluations and expert review have the same goal- to evaluate the usability of the product. While the goal of these usability evaluation methods is the same, the methods are different.
It is common to hear people people using these terms interchangeably. An expert review is termed as a heuristic evaluation when in actuality the evaluators evaluated the usability of the product referring to their own knowledge of right and wrong rather than explicitly referencing against a set of heuristics.
This article explains the difference between a Heuristic Evaluation and an Expert Review and tells you when to apply which method.