diff --git a/.github/workflows/expo-preview.yml b/.github/workflows/expo-preview.yml
index 22540548..b7dafb3e 100644
--- a/.github/workflows/expo-preview.yml
+++ b/.github/workflows/expo-preview.yml
@@ -47,9 +47,21 @@ jobs:
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
+            const body = 'The Expo app for the example from this branch is ready!\n\n[expo.io/${{ steps.expo.outputs.path }}](https://expo.io/${{ steps.expo.outputs.path }})\n\n<a href="https://exp.host/${{ steps.expo.outputs.path }}"><img src="https://api.qrserver.com/v1/create-qr-code/?size=400x400&data=exp://exp.host/${{ steps.expo.outputs.path }}" height="200px" width="200px"></a>';
+
+            const comments = await github.issues.listComments({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+            });
+
+            if (comments.some(comment => comment.body === body)) {
+              return;
+            }
+
             github.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
-              body: 'The Expo app for the example from this branch is ready!\n\n[expo.io/${{ steps.expo.outputs.path }}](https://expo.io/${{ steps.expo.outputs.path }})\n\n<a href="https://exp.host/${{ steps.expo.outputs.path }}"><img src="https://api.qrserver.com/v1/create-qr-code/?size=400x400&data=exp://exp.host/${{ steps.expo.outputs.path }}" height="200px" width="200px"></a>'
+              body
             })
diff --git a/.github/workflows/versions.yml b/.github/workflows/versions.yml
index 4fe21e7b..21009928 100644
--- a/.github/workflows/versions.yml
+++ b/.github/workflows/versions.yml
@@ -1,7 +1,7 @@
 name: Check versions
 on:
   issues:
-    types: [opened]
+    types: [opened, edited]
 
 jobs:
   check-versions: