Niantic Ingress Original vs. Ingressopt

$ ls -s1 com.nianticproject.ingress-v1_18_1.apk signedIngress_v1_18_1.apk
21192 com.nianticproject.ingress-v1_18_1.apk
20840 signedIngress_v1_18_1.apk
$ md5sum com.nianticproject.ingress-v1_18_1.apk signedIngress_v1_18_1.apk
1510d8b7d219f0554d1b2f9340a203ca  com.nianticproject.ingress-v1_18_1.apk
44e9e98e79b2e166dc794dcbb6ca080c  signedIngress_v1_18_1.apk

$ apktool d com.nianticproject.ingress-v1_18_1.apk
$ apktool d signedIngress_v1_18_1.apk
$ diff -Naqr com.nianticproject.ingress-v1_18_1 signedIngress_v1_18_1

Files com.nianticproject.ingress-v1_18_1/apktool.yml and signedIngress_v1_18_1/apktool.yml differ
Files com.nianticproject.ingress-v1_18_1/assets/common/data/coda-lg.fnt and signedIngress_v1_18_1/assets/common/data/coda-lg.fnt differ
Files com.nianticproject.ingress-v1_18_1/assets/common/data/coda-med.fnt and signedIngress_v1_18_1/assets/common/data/coda-med.fnt differ
Files com.nianticproject.ingress-v1_18_1/assets/common/data/coda-sm.fnt and signedIngress_v1_18_1/assets/common/data/coda-sm.fnt differ
Files com.nianticproject.ingress-v1_18_1/assets/packed/data/common.atlas and signedIngress_v1_18_1/assets/packed/data/common.atlas differ
Files com.nianticproject.ingress-v1_18_1/assets/packed/data/common.png and signedIngress_v1_18_1/assets/packed/data/common.png differ
Files com.nianticproject.ingress-v1_18_1/assets/packed/data/upgrade.atlas and signedIngress_v1_18_1/assets/packed/data/upgrade.atlas differ
Files com.nianticproject.ingress-v1_18_1/assets/packed/data/upgrade.png and signedIngress_v1_18_1/assets/packed/data/upgrade.png differ
Files com.nianticproject.ingress-v1_18_1/assets/portal_info/data/portal_ui.atlas and signedIngress_v1_18_1/assets/portal_info/data/portal_ui.atlas differ
Files com.nianticproject.ingress-v1_18_1/assets/portal_info/data/portal_ui.png and signedIngress_v1_18_1/assets/portal_info/data/portal_ui.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/mod_button-RES_SHIELD.png and signedIngress_v1_18_1/assets/upgrade/data/mod_button-RES_SHIELD.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/mod_detailed-RES_SHIELD.png and signedIngress_v1_18_1/assets/upgrade/data/mod_detailed-RES_SHIELD.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/mod_icon-RES_SHIELD.png and signedIngress_v1_18_1/assets/upgrade/data/mod_icon-RES_SHIELD.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/resonator_details-empty.png and signedIngress_v1_18_1/assets/upgrade/data/resonator_details-empty.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/resonator_details_high_level.png and signedIngress_v1_18_1/assets/upgrade/data/resonator_details_high_level.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/resonator_details.png and signedIngress_v1_18_1/assets/upgrade/data/resonator_details.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/resonator_icon_hi.png and signedIngress_v1_18_1/assets/upgrade/data/resonator_icon_hi.png differ
Files com.nianticproject.ingress-v1_18_1/assets/upgrade/data/resonator_icon.png and signedIngress_v1_18_1/assets/upgrade/data/resonator_icon.png differ
Files com.nianticproject.ingress-v1_18_1/lib/armeabi/libgdx.so and signedIngress_v1_18_1/lib/armeabi/libgdx.so differ