diff --git a/.changeset/small-shoes-live.md b/.changeset/small-shoes-live.md
new file mode 100644
index 00000000..175bfe3d
--- /dev/null
+++ b/.changeset/small-shoes-live.md
@@ -0,0 +1,7 @@
+---
+"@quiltt/core": patch
+"@quiltt/react": patch
+"@quiltt/react-test-nextjs": patch
+---
+
+Skip browser code when in expo app
diff --git a/ECMAScript/core/src/Storage/Local.ts b/ECMAScript/core/src/Storage/Local.ts
index 617cb35f..dc83f86c 100644
--- a/ECMAScript/core/src/Storage/Local.ts
+++ b/ECMAScript/core/src/Storage/Local.ts
@@ -11,7 +11,7 @@ export class LocalStorage<T> {
   private observers: { [key: string]: Observer<T>[] } = {}
 
   constructor() {
-    if (typeof window !== 'undefined') {
+    if (typeof window !== 'undefined' && !window?.expo) {
       window.addEventListener('storage', this.handleStorageEvent.bind(this))
     }
   }
@@ -29,7 +29,7 @@ export class LocalStorage<T> {
   isDisabled = (): boolean => !this.isEnabled()
 
   get = (key: string): Maybe<T> | undefined => {
-    if (typeof window === 'undefined') return undefined
+    if (typeof window === 'undefined' || !!window.expo) return undefined
 
     try {
       const state = window.localStorage.getItem(`quiltt.${key}`)
@@ -41,7 +41,7 @@ export class LocalStorage<T> {
   }
 
   set = (key: string, state: Maybe<T> | undefined): void => {
-    if (typeof window === 'undefined') return
+    if (typeof window === 'undefined' || !!window.expo) return
 
     try {
       if (state) {
diff --git a/ECMAScript/core/src/types.ts b/ECMAScript/core/src/types.ts
index c36bed05..6d16121f 100644
--- a/ECMAScript/core/src/types.ts
+++ b/ECMAScript/core/src/types.ts
@@ -8,3 +8,8 @@ export type Nullable<T> = { [K in keyof T]: T[K] | null }
 export type Mutable<Type> = { -readonly [Key in keyof Type]: Type[Key] }
 export type DeepPartial<T> = T extends object ? { [P in keyof T]?: DeepPartial<T[P]> } : T
 export type DeepReadonly<T> = T extends object ? { [P in keyof T]: DeepReadonly<T[P]> } : T
+declare global {
+  interface Window {
+    expo: any
+  }
+}