diff --git a/.changeset/fair-islands-think.md b/.changeset/fair-islands-think.md
new file mode 100644
index 00000000000..e0a9d489424
--- /dev/null
+++ b/.changeset/fair-islands-think.md
@@ -0,0 +1,5 @@
+---
+"@builder.io/sdk-react-native": patch
+---
+
+Added deep memo comparison using react-fast-compare.
diff --git a/packages/sdks-tests/src/e2e-tests/large-reactive-state.spec.ts b/packages/sdks-tests/src/e2e-tests/large-reactive-state.spec.ts
index 6e5d4da2e6c..08262b1bfc4 100644
--- a/packages/sdks-tests/src/e2e-tests/large-reactive-state.spec.ts
+++ b/packages/sdks-tests/src/e2e-tests/large-reactive-state.spec.ts
@@ -38,6 +38,9 @@ test.describe('Large Reactive State', () => {
     // Initial state
     await expect(page.getByText('0', { exact: true })).toBeVisible();
 
+    // log page contents
+    console.log(await page.content());
+
     // Increment multiple times
     for (let i = 1; i <= 5; i++) {
       await page.getByText('Increment Number').click();
diff --git a/packages/sdks/mitosis.config.cjs b/packages/sdks/mitosis.config.cjs
index 3a7c72e3d34..abbd9591bf6 100644
--- a/packages/sdks/mitosis.config.cjs
+++ b/packages/sdks/mitosis.config.cjs
@@ -174,13 +174,20 @@ const MEMOIZING_BLOCKS_COMPONENT_PLUGIN = () => ({
           imports: { memo: 'memo' },
           path: 'react',
         });
+        json.imports.push({
+          imports: { isEqual: 'default' },
+          path: 'react-fast-compare',
+        });
       }
       if (json.name === 'Blocks') {
         json.imports.push({
           imports: { memo: 'memo' },
           path: 'react',
         });
-
+        json.imports.push({
+          imports: { isEqual: 'default' },
+          path: 'react-fast-compare',
+        });
         json.hooks.init = {
           code: `
             ${json.hooks.init?.code || ''}
@@ -224,6 +231,7 @@ const MEMOIZING_BLOCKS_COMPONENT_PLUGIN = () => ({
             data: { code: 'props.blocks', type: 'single' },
             renderItem: { code: 'renderItem', type: 'single' },
             keyExtractor: { code: 'keyExtractor', type: 'single' },
+            extraData: { code: 'builderContext', type: 'single' },
             removeClippedSubviews: { code: 'true', type: 'single' },
             maxToRenderPerBatch: { code: '10', type: 'single' },
             windowSize: { code: '5', type: 'single' },
@@ -240,13 +248,13 @@ const MEMOIZING_BLOCKS_COMPONENT_PLUGIN = () => ({
       if (json.name === 'Blocks') {
         return code.replace(
           'export default Blocks',
-          'export default memo(Blocks)'
+          'export default memo(Blocks, isEqual)'
         );
       }
       if (json.name === 'Block') {
         return code.replace(
           'export default Block',
-          'export default memo(Block)'
+          'export default memo(Block, isEqual)'
         );
       }
       return code;
diff --git a/packages/sdks/output/react-native/package.json b/packages/sdks/output/react-native/package.json
index 3ec2ede9afb..cda7dff7ab3 100644
--- a/packages/sdks/output/react-native/package.json
+++ b/packages/sdks/output/react-native/package.json
@@ -111,6 +111,7 @@
     "@react-native-async-storage/async-storage": "1.23.1",
     "css-to-react-native": "^3.2.0",
     "isolated-vm": "^6.0.0",
+    "react-fast-compare": "^3.2.2",
     "react-native-storage": "^1.0.1",
     "react-native-video": "^5.1.1"
   },
diff --git a/packages/sdks/src/functions/evaluate/helpers.ts b/packages/sdks/src/functions/evaluate/helpers.ts
index 3b3932a6878..7c68c671426 100644
--- a/packages/sdks/src/functions/evaluate/helpers.ts
+++ b/packages/sdks/src/functions/evaluate/helpers.ts
@@ -133,7 +133,7 @@ export function flattenState({
           rootSetState: rootSetState
             ? (subState) => {
                 target[prop] = subState;
-                rootSetState(target);
+                rootSetState({ ...target });
               }
             : undefined,
         });
@@ -149,8 +149,8 @@ export function flattenState({
       }
 
       target[prop] = value;
-
-      rootSetState?.(target);
+      // Pass a new object reference so React/RN detects the state change
+      rootSetState?.({ ...target });
       return true;
     },
   });
diff --git a/yarn.lock b/yarn.lock
index d8ee6e98da0..8ca5d8c1a83 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7093,6 +7093,7 @@ __metadata:
     babel-plugin-module-resolver: ^5.0.0
     css-to-react-native: ^3.2.0
     isolated-vm: ^6.0.0
+    react-fast-compare: ^3.2.2
     react-native-builder-bob: ^0.21.3
     react-native-storage: ^1.0.1
     react-native-url-polyfill: ^2.0.0