diff --git a/packages/ui/src/components/MessageInput/AttachmentButton.tsx b/packages/ui/src/components/MessageInput/AttachmentButton.tsx
index 56a555b862..1c8f6c32b9 100644
--- a/packages/ui/src/components/MessageInput/AttachmentButton.tsx
+++ b/packages/ui/src/components/MessageInput/AttachmentButton.tsx
@@ -25,6 +25,8 @@ export default function AttachmentButton({
       <Button
         backgroundColor="unset"
         borderColor="transparent"
+        marginBottom={2}
+        padding={0}
         onPress={() => setShowInputSelector(true)}
       >
         <Icon type="Add" />
diff --git a/packages/ui/src/components/WelcomeSheet.tsx b/packages/ui/src/components/WelcomeSheet.tsx
index 08bc67c7e3..15c6ba3235 100644
--- a/packages/ui/src/components/WelcomeSheet.tsx
+++ b/packages/ui/src/components/WelcomeSheet.tsx
@@ -1,10 +1,11 @@
 import React, { useCallback } from 'react';
-import { Image } from 'react-native';
+import { Image, Modal } from 'react-native';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
-import { Text, View, XStack, YStack, isWeb } from 'tamagui';
-
+import { Dialog, View, XStack, YStack, isWeb, VisuallyHidden } from 'tamagui';
+import { Text } from './TextV2';
 import { Icon } from './Icon';
 import { Sheet } from './Sheet';
+import useIsWindowNarrow from '../hooks/useIsWindowNarrow';
 
 function WelcomeSheetComponent({
   open,
@@ -18,99 +19,138 @@ function WelcomeSheetComponent({
   }, [onOpenChange]);
 
   const inset = useSafeAreaInsets();
+  const isWindowNarrow = useIsWindowNarrow();
+
+  const content = (
+    <YStack gap="$2xl">
+      <View borderRadius="$xl" overflow="hidden">
+        <Image
+          style={{ width: '100%', height: 188 }}
+          resizeMode={'cover'}
+          source={
+            isWeb
+              ? './welcome_flowers.jpg'
+              : require('../assets/raster/welcome_flowers.jpg')
+          }
+        />
+      </View>
+      <YStack gap="$l">
+        <Text fontSize="$xl">Welcome to TM</Text>
+        <Text fontSize="$m" color="$tertiaryText">
+          A messenger you can finally trust.
+        </Text>
+      </YStack>
+      <XStack gap="$l">
+        <View>
+          <View
+            backgroundColor={'$secondaryBackground'}
+            borderRadius={'$3xl'}
+            padding="$m"
+          >
+            <Icon type="ChannelTalk" />
+          </View>
+        </View>
+        <YStack gap="$xs" flex={1}>
+          <Text fontWeight="$xl">Control every bit</Text>
+          <Text color="$tertiaryText" fontSize={'$xs'} lineHeight={'$xs'}>
+            Whatever you do, say, and make on Tlon is yours to keep
+          </Text>
+        </YStack>
+      </XStack>
+      <XStack gap="$l">
+        <View>
+          <View
+            backgroundColor={'$secondaryBackground'}
+            borderRadius={'$3xl'}
+            padding="$m"
+          >
+            <Icon type="Clock" />
+          </View>
+        </View>
+        <YStack gap="$xs" flex={1}>
+          <Text fontWeight="$xl">From now until forever</Text>
+          <Text color="$tertiaryText" fontSize={'$xs'} lineHeight={'$xs'}>
+            With Tlon you can always take your data with you and continue
+            using it elsewhere
+          </Text>
+        </YStack>
+      </XStack>
+      <XStack gap="$l">
+        <View>
+          <View
+            backgroundColor={'$secondaryBackground'}
+            borderRadius={'$3xl'}
+            padding="$m"
+          >
+            <Icon type="Muted" />
+          </View>
+        </View>
+        <YStack gap="$xs" flex={1}>
+          <Text fontWeight="$xl">Connect with calm</Text>
+          <Text color="$tertiaryText" fontSize={'$xs'} lineHeight={'$xs'}>
+            Tlon is designed to maximize genuine connection, not addictive
+            engagement
+          </Text>
+        </YStack>
+      </XStack>
+    </YStack>
+  );
+
+  if (!isWindowNarrow) {
+    return (
+      <Dialog open={open} onOpenChange={onOpenChange}>
+        <Dialog.Portal>
+          <VisuallyHidden>
+            <Dialog.Title>Welcome to TM</Dialog.Title>
+          </VisuallyHidden>
+          <Dialog.Overlay
+            backgroundColor="$overlayBackground"
+            key="overlay"
+            opacity={0.4}
+          />
+          <Dialog.Content
+            borderWidth={1}
+            borderColor="$border"
+            padding="$2xl"
+            width="90%"
+            maxWidth={500}
+            key="content"
+          >
+            {content}
+          </Dialog.Content>
+        </Dialog.Portal>
+      </Dialog>
+    );
+  }
 
   return (
-    <Sheet
-      open={open}
-      onOpenChange={handleDismiss}
-      snapPointsMode="fit"
-      modal
-      dismissOnSnapToBottom
-      animation="quick"
+    <Modal
+      visible={open}
+      onRequestClose={handleDismiss}
+      transparent
+      animationType="none"
     >
-      <Sheet.Overlay />
-      <Sheet.LazyFrame
-        paddingTop="$s"
-        paddingBottom={inset.bottom}
-        paddingHorizontal="$2xl"
+      <Sheet
+        open={open}
+        onOpenChange={handleDismiss}
+        snapPointsMode="fit"
+        modal
+        dismissOnSnapToBottom
+        animation="quick"
       >
-        <Sheet.Handle marginBottom="$l" />
-        <View paddingHorizontal="$2xl" paddingBottom="$2xl">
-          <YStack gap="$2xl">
-            <View borderRadius="$xl" overflow="hidden">
-              <Image
-                style={{ width: '100%', height: 188 }}
-                resizeMode={'cover'}
-                source={
-                  isWeb
-                    ? './welcome_flowers.jpg'
-                    : require('../assets/raster/welcome_flowers.jpg')
-                }
-              />
-            </View>
-            <YStack gap="$xs">
-              <Text fontSize="$l2">Welcome to TM</Text>
-              <Text fontSize="$l" color="$tertiaryText">
-                A messenger you can finally trust.
-              </Text>
-            </YStack>
-            <XStack gap="$l">
-              <View>
-                <View
-                  backgroundColor={'$secondaryBackground'}
-                  borderRadius={'$3xl'}
-                  padding="$m"
-                >
-                  <Icon type="ChannelTalk" />
-                </View>
-              </View>
-              <YStack gap="$xs" flex={1}>
-                <Text fontWeight="$xl">Control every bit</Text>
-                <Text color="$tertiaryText" fontSize={'$xs'} lineHeight={'$xs'}>
-                  Whatever you do, say, and make on Tlon is yours to keep
-                </Text>
-              </YStack>
-            </XStack>
-            <XStack gap="$l">
-              <View>
-                <View
-                  backgroundColor={'$secondaryBackground'}
-                  borderRadius={'$3xl'}
-                  padding="$m"
-                >
-                  <Icon type="Clock" />
-                </View>
-              </View>
-              <YStack gap="$xs" flex={1}>
-                <Text fontWeight="$xl">From now until forever</Text>
-                <Text color="$tertiaryText" fontSize={'$xs'} lineHeight={'$xs'}>
-                  With Tlon you can always take your data with you and continue
-                  using it elsewhere
-                </Text>
-              </YStack>
-            </XStack>
-            <XStack gap="$l">
-              <View>
-                <View
-                  backgroundColor={'$secondaryBackground'}
-                  borderRadius={'$3xl'}
-                  padding="$m"
-                >
-                  <Icon type="Muted" />
-                </View>
-              </View>
-              <YStack gap="$xs" flex={1}>
-                <Text fontWeight="$xl">Connect with calm</Text>
-                <Text color="$tertiaryText" fontSize={'$xs'} lineHeight={'$xs'}>
-                  Tlon is designed to maximize genuine connection, not addictive
-                  engagement
-                </Text>
-              </YStack>
-            </XStack>
-          </YStack>
-        </View>
-      </Sheet.LazyFrame>
-    </Sheet>
+        <Sheet.Overlay />
+        <Sheet.LazyFrame
+          paddingTop="$s"
+          paddingBottom={inset.bottom}
+          paddingHorizontal="$2xl"
+        >
+          <Sheet.Handle marginBottom="$l" />
+          <View paddingHorizontal="$2xl" paddingBottom="$2xl">
+            {content}
+          </View>
+        </Sheet.LazyFrame>
+      </Sheet>
+    </Modal>
   );
 }