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.
indole-3-acetyl-beta-1-D-glucoside:myo-inositol indoleacetyltransferase activity