Place apples, plums and water in a large kettle; cover and simmer until tender, about 15 minutes. Cool.
Puree in batches in a food processor or blender; return all to the kettle. Add sugar and spices. Simmer, uncovered, for 20-30 minutes or until thickened, stirring frequently. Cool completely. Pour into jars.
Cover and store in the refrigerator for up to 3 weeks.