There are 5 important differences:
1. The most recent 7 years of AAA's journals are not available through JSTOR. The complete run of AAA journals will be available through AnthroSource, however.

2. AnthroSource provides reference links to all materials referenced in the articles that are also available on the web. JSTOR does not have this capacity.

3. AnthroSource content is CrossRef indexed and constantly refreshed.

4. All material in AnthroSource is indexed through Google, whereas JSTOR content is not.

5. JSTOR includes only 6 AAA publications; whereas AnthroSource includes all 32 AAA's periodical publications