Catalysis of the reaction: 1-O-(indol-3-ylacetyl)-beta-D-glucose + myo-inositol = 1L-1-O-(indol-3-yl)acetyl-myo-inositol + D-glucose.
1-O-(indol-3-ylacetyl)-beta-D-glucose:myo-inositol indole-3-ylacetyltransferase activity