diff --git a/package-lock.json b/package-lock.json
index 8c062ae..6595acb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "clsx": "^2.0.0",
         "lucide-react": "^0.290.0",
         "nanoid": "^5.0.4",
-        "next": "^14.0.1",
+        "next": "14.0.1",
         "next-plausible": "^3.12.0",
         "next-themes": "^0.2.1",
         "next13-progressbar": "^1.1.1",
@@ -36,6 +36,7 @@
         "tailwind-merge": "^1.14.0",
         "tailwindcss-animate": "^1.0.7",
         "uuid": "^9.0.1",
+        "vaul": "^0.7.9",
         "zod": "^3.22.4"
       },
       "devDependencies": {
@@ -6036,6 +6037,18 @@
         "uuid": "dist/bin/uuid"
       }
     },
+    "node_modules/vaul": {
+      "version": "0.7.9",
+      "resolved": "https://registry.npmjs.org/vaul/-/vaul-0.7.9.tgz",
+      "integrity": "sha512-RrcnGOHOq/cEU3YpyyZrnjh0H79xMpF3IrHZs9ichvHlpKjLDc4Vwjn4VkuGzeUGrmQ3wamfm/cpdKWpvBIgQw==",
+      "dependencies": {
+        "@radix-ui/react-dialog": "^1.0.4"
+      },
+      "peerDependencies": {
+        "react": "^16.8 || ^17.0 || ^18.0",
+        "react-dom": "^16.8 || ^17.0 || ^18.0"
+      }
+    },
     "node_modules/watchpack": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-2.4.0.tgz",
diff --git a/package.json b/package.json
index 7a4ee22..5e69948 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "clsx": "^2.0.0",
     "lucide-react": "^0.290.0",
     "nanoid": "^5.0.4",
-    "next": "^14.0.1",
+    "next": "14.0.1",
     "next-plausible": "^3.12.0",
     "next-themes": "^0.2.1",
     "next13-progressbar": "^1.1.1",
@@ -37,6 +37,7 @@
     "tailwind-merge": "^1.14.0",
     "tailwindcss-animate": "^1.0.7",
     "uuid": "^9.0.1",
+    "vaul": "^0.7.9",
     "zod": "^3.22.4"
   },
   "devDependencies": {
diff --git a/src/app/groups/[groupId]/@modal/expense-modal.tsx b/src/app/groups/[groupId]/@modal/expense-modal.tsx
index 587af39..c54a78f 100644
--- a/src/app/groups/[groupId]/@modal/expense-modal.tsx
+++ b/src/app/groups/[groupId]/@modal/expense-modal.tsx
@@ -6,26 +6,28 @@ import {
   DialogTitle,
 } from '@/components/ui/dialog'
 import { useRouter } from 'next/navigation'
-import { ReactNode, useState } from 'react'
+import { ReactNode, useEffect, useState } from 'react'
+import { Drawer } from 'vaul'
 
-export function ExpenseModal({
-  children,
-  title,
-}: {
+type Props = {
   children: ReactNode
   title: ReactNode
-}) {
+}
+
+export function ExpenseModal(props: Props) {
+  const size = useTailwindBreakpoint()
+  if (size === 'xs') {
+    return <ExpenseVaul {...props} />
+  } else {
+    return <ExpenseDialog {...props} />
+  }
+}
+
+export function ExpenseDialog({ children, title }: Props) {
   const router = useRouter()
-  const [open, setOpen] = useState(true)
 
   return (
-    <Dialog
-      open={open}
-      onOpenChange={(open) => {
-        setOpen(open)
-        if (!open) router.back()
-      }}
-    >
+    <Dialog open onOpenChange={() => router.back()}>
       <DialogContent className="w-full max-w-screen-sm">
         <DialogHeader>
           <DialogTitle>{title}</DialogTitle>
@@ -35,3 +37,49 @@ export function ExpenseModal({
     </Dialog>
   )
 }
+
+export function ExpenseVaul({ children, title }: Props) {
+  const router = useRouter()
+  return (
+    <Drawer.Root open onClose={() => router.back()}>
+      <Drawer.Portal>
+        <Drawer.Title>{title}</Drawer.Title>
+        <Drawer.Overlay
+          className="fixed inset-0 bg-background/80 backdrop-blur-sm"
+          onClick={() => router.back()}
+        />
+        <Drawer.Content className="bg-background border flex flex-col rounded-t-[10px] h-fit mt-24 fixed bottom-0 left-0 right-0 p-4 z-50">
+          <div className="text-xl font-bold mb-4">{title}</div>
+          {children}
+        </Drawer.Content>
+      </Drawer.Portal>
+    </Drawer.Root>
+  )
+}
+
+export function useTailwindBreakpoint() {
+  const [size, setSize] = useState<'xs' | 'sm' | 'md' | 'lg'>('xs')
+
+  useEffect(() => {
+    const handleBreakpointChange = () => {
+      if (window.innerWidth >= 1200) {
+        setSize('lg')
+      } else if (window.innerWidth >= 768) {
+        setSize('md')
+      } else if (window.innerWidth >= 640) {
+        setSize('sm')
+      } else {
+        setSize('xs')
+      }
+    }
+
+    window.addEventListener('resize', handleBreakpointChange)
+    handleBreakpointChange()
+
+    return () => {
+      window.removeEventListener('resize', handleBreakpointChange)
+    }
+  }, [])
+
+  return size
+}