diff --git a/mobile/app.json b/mobile/app.json
index c7d420f..40b1782 100644
--- a/mobile/app.json
+++ b/mobile/app.json
@@ -11,17 +11,23 @@
       "infoPlist": {
         "NSCameraUsageDescription": "VaultDrop a besoin d'accéder à votre caméra pour scanner des documents.",
         "NSPhotoLibraryUsageDescription": "VaultDrop a besoin d'accéder à votre galerie pour sélectionner des photos."
-      }
+      },
+      "bundleIdentifier": "com.anonymous.webui"
     },
     "android": {
-      "permissions": ["CAMERA", "READ_EXTERNAL_STORAGE", "WRITE_EXTERNAL_STORAGE"],
+      "permissions": [
+        "CAMERA",
+        "READ_EXTERNAL_STORAGE",
+        "WRITE_EXTERNAL_STORAGE"
+      ],
       "adaptiveIcon": {
         "backgroundColor": "#E6F4FE",
         "foregroundImage": "./assets/android-icon-foreground.png",
         "backgroundImage": "./assets/android-icon-background.png",
         "monochromeImage": "./assets/android-icon-monochrome.png"
       },
-      "predictiveBackGestureEnabled": false
+      "predictiveBackGestureEnabled": false,
+      "package": "com.anonymous.webui"
     },
     "web": {
       "favicon": "./assets/favicon.png"
diff --git a/mobile/app/scan.tsx b/mobile/app/scan.tsx
index c365a65..7a8a98a 100644
--- a/mobile/app/scan.tsx
+++ b/mobile/app/scan.tsx
@@ -1,42 +1,101 @@
-import React from 'react';
-import { View, Text, StyleSheet, TouchableOpacity, Alert } from 'react-native';
-import * as ImagePicker from 'expo-image-picker';
+import React, { useEffect } from 'react';
+import { View, Text, StyleSheet, TouchableOpacity, ActivityIndicator } from 'react-native';
+import { Camera } from 'react-native-vision-camera';
+import { useCameraCapture } from '../hooks/useCameraCapture';
+import { UploadProgress } from '../components/UploadProgress';
 
 export function ScanScreen() {
-  const takePhoto = async () => {
-    try {
-      const { status } = await ImagePicker.requestCameraPermissionsAsync();
-      if (status !== 'granted') {
-        Alert.alert('Permission requise', "L'accès à la caméra est nécessaire pour scanner un document.");
-        return;
-      }
+  const {
+    cameraRef,
+    hasPermission,
+    requestPermission,
+    device,
+    photoOutput,
+    capturePhoto,
+    captureStatus,
+    captureError,
+    isActive,
+    torchMode,
+    toggleTorch,
+    onStarted,
+    onStopped,
+  } = useCameraCapture();
 
-      const result = await ImagePicker.launchCameraAsync({
-        mediaTypes: ['images'],
-        quality: 1,
-      });
-
-      if (result.canceled) return;
-
-      if (result.assets && result.assets[0]) {
-        console.log('Photo taken:', result.assets[0]);
-        // TODO: Send to backend for OCR
-      }
-    } catch (err) {
-      Alert.alert('Erreur', "Impossible d'accéder à la caméra");
+  useEffect(() => {
+    if (!hasPermission) {
+      requestPermission();
     }
+  }, [hasPermission, requestPermission]);
+
+  const statusToUploadProgress: Record<string, 'idle' | 'uploading' | 'processing' | 'success' | 'error'> = {
+    idle: 'idle',
+    capturing: 'uploading',
+    uploading: 'uploading',
+    processing: 'processing',
+    success: 'success',
+    error: 'error',
   };
 
+  if (!hasPermission) {
+    return (
+      <View style={styles.center}>
+        <Text style={styles.permissionText}>Permission caméra requise</Text>
+        <TouchableOpacity style={styles.permissionButton} onPress={requestPermission}>
+          <Text style={styles.permissionButtonText}>Accorder l'accès</Text>
+        </TouchableOpacity>
+      </View>
+    );
+  }
+
+  if (!device) {
+    return (
+      <View style={styles.center}>
+        <ActivityIndicator size="large" color="#1976D2" />
+        <Text style={styles.loadingText}>Caméra initialisation...</Text>
+      </View>
+    );
+  }
+
   return (
     <View style={styles.container}>
-      <Text style={styles.title}>Scanner un document</Text>
-      <Text style={styles.description}>
-        Prenez une photo de votre document pour extraire le texte via OCR
-      </Text>
+      <Camera
+        ref={cameraRef}
+        style={StyleSheet.absoluteFill}
+        isActive={isActive}
+        device={device}
+        outputs={[photoOutput]}
+        onStarted={onStarted}
+        onStopped={onStopped}
+      />
 
-      <TouchableOpacity style={styles.scanButton} onPress={takePhoto}>
-        <Text style={styles.scanText}>Prendre une photo</Text>
-      </TouchableOpacity>
+      <View style={styles.viewfinderOverlay} pointerEvents="none">
+        <View style={styles.viewfinderFrame} />
+      </View>
+
+      <View style={styles.topOverlay}>
+        <UploadProgress
+          status={statusToUploadProgress[captureStatus]}
+          error={captureError}
+          totalCount={1}
+          uploadedCount={captureStatus === 'success' ? 1 : 0}
+        />
+      </View>
+
+      <View style={styles.bottomBar}>
+        <TouchableOpacity style={styles.torchButton} onPress={toggleTorch}>
+          <Text style={styles.torchIcon}>{torchMode === 'on' ? '🔦' : '💡'}</Text>
+        </TouchableOpacity>
+
+        <TouchableOpacity
+          style={[styles.captureButton, (captureStatus === 'capturing' || captureStatus === 'uploading') && styles.captureButtonDisabled]}
+          onPress={capturePhoto}
+          disabled={captureStatus === 'capturing' || captureStatus === 'uploading'}
+        >
+          <View style={styles.captureInner} />
+        </TouchableOpacity>
+
+        <View style={styles.torchButton} />
+      </View>
     </View>
   );
 }
@@ -44,32 +103,93 @@ export function ScanScreen() {
 const styles = StyleSheet.create({
   container: {
     flex: 1,
-    padding: 16,
-    backgroundColor: '#fff',
+    backgroundColor: '#000',
+  },
+  center: {
+    flex: 1,
     justifyContent: 'center',
     alignItems: 'center',
+    backgroundColor: '#000',
+    padding: 24,
   },
-  title: {
-    fontSize: 24,
-    fontWeight: '700',
-    marginBottom: 12,
-  },
-  description: {
-    fontSize: 16,
-    color: '#666',
+  permissionText: {
+    fontSize: 18,
+    color: '#fff',
     textAlign: 'center',
-    marginBottom: 32,
+    marginBottom: 24,
   },
-  scanButton: {
-    backgroundColor: '#4CAF50',
-    padding: 16,
+  permissionButton: {
+    backgroundColor: '#1976D2',
+    paddingHorizontal: 32,
+    paddingVertical: 14,
     borderRadius: 8,
-    width: '100%',
-    alignItems: 'center',
   },
-  scanText: {
+  permissionButtonText: {
     color: '#fff',
     fontSize: 16,
     fontWeight: '600',
   },
+  loadingText: {
+    fontSize: 16,
+    color: '#fff',
+    marginTop: 16,
+  },
+  viewfinderOverlay: {
+    ...StyleSheet.absoluteFill,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  viewfinderFrame: {
+    width: '85%',
+    maxWidth: 400,
+    aspectRatio: 3 / 4,
+    borderWidth: 2,
+    borderColor: 'rgba(255,255,255,0.6)',
+    borderRadius: 12,
+  },
+  topOverlay: {
+    position: 'absolute',
+    top: 60,
+    left: 16,
+    right: 16,
+  },
+  bottomBar: {
+    position: 'absolute',
+    bottom: 50,
+    left: 0,
+    right: 0,
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    alignItems: 'center',
+    paddingHorizontal: 32,
+  },
+  torchButton: {
+    width: 48,
+    height: 48,
+    borderRadius: 24,
+    backgroundColor: 'rgba(255,255,255,0.2)',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  torchIcon: {
+    fontSize: 24,
+  },
+  captureButton: {
+    width: 76,
+    height: 76,
+    borderRadius: 38,
+    borderWidth: 4,
+    borderColor: '#fff',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  captureButtonDisabled: {
+    opacity: 0.5,
+  },
+  captureInner: {
+    width: 60,
+    height: 60,
+    borderRadius: 30,
+    backgroundColor: '#fff',
+  },
 });
diff --git a/mobile/hooks/useCameraCapture.ts b/mobile/hooks/useCameraCapture.ts
new file mode 100644
index 0000000..8ab245a
--- /dev/null
+++ b/mobile/hooks/useCameraCapture.ts
@@ -0,0 +1,101 @@
+import { useEffect, useState, useCallback, useRef } from 'react';
+import { useCameraDevice, useCameraPermission, usePhotoOutput, type TorchMode, type CameraRef } from 'react-native-vision-camera';
+import { useUpload } from './useUpload';
+
+type CaptureStatus = 'idle' | 'capturing' | 'uploading' | 'processing' | 'success' | 'error';
+
+export function useCameraCapture() {
+  const { hasPermission, requestPermission } = useCameraPermission();
+  const device = useCameraDevice('back');
+  const cameraRef = useRef<CameraRef>(null);
+
+  const [captureStatus, setCaptureStatus] = useState<CaptureStatus>('idle');
+  const [captureError, setCaptureError] = useState<string>();
+  const [torchMode, setTorchMode] = useState<TorchMode>('off');
+  const [cameraReady, setCameraReady] = useState(false);
+
+  const upload = useUpload();
+
+  const photoOutput = usePhotoOutput();
+
+  useEffect(() => {
+    if (!hasPermission) {
+      requestPermission();
+    }
+  }, [hasPermission, requestPermission]);
+
+  const isActive = hasPermission && !!device && captureStatus !== 'uploading';
+
+  const toggleTorch = useCallback(async () => {
+    const next = torchMode === 'off' ? 'on' : 'off';
+    setTorchMode(next);
+    if (cameraReady && cameraRef.current) {
+      try {
+        const controller = cameraRef.current.controller;
+        if (controller?.device.hasTorch) {
+          await controller.setTorchMode(next);
+        }
+      } catch {
+        setTorchMode(torchMode);
+      }
+    }
+  }, [torchMode, cameraReady]);
+
+  const onStarted = useCallback(() => {
+    setCameraReady(true);
+    if (torchMode === 'on' && cameraRef.current) {
+      const controller = cameraRef.current.controller;
+      controller?.setTorchMode('on').catch(() => {});
+    }
+  }, [torchMode]);
+
+  const onStopped = useCallback(() => {
+    setCameraReady(false);
+  }, []);
+
+  const capturePhoto = useCallback(async () => {
+    if (!photoOutput) return;
+
+    try {
+      setCaptureStatus('capturing');
+      setCaptureError(undefined);
+
+      const { filePath } = await photoOutput.capturePhotoToFile(
+        {},
+        {}
+      );
+
+      setCaptureStatus('uploading');
+
+      const result = await upload.mutateAsync([
+        { uri: 'file://' + filePath, type: 'image/jpeg', name: 'scan.jpg' },
+      ]);
+
+      if (result.errors.length > 0) {
+        setCaptureStatus('error');
+        setCaptureError(result.errors[0].message);
+      } else {
+        setCaptureStatus('success');
+      }
+    } catch (err) {
+      setCaptureStatus('error');
+      setCaptureError(err instanceof Error ? err.message : 'Erreur lors de la capture');
+    }
+  }, [photoOutput, upload]);
+
+  return {
+    cameraRef,
+    hasPermission,
+    requestPermission,
+    device,
+    photoOutput,
+    capturePhoto,
+    captureStatus,
+    captureError,
+    isActive,
+    torchMode,
+    toggleTorch,
+    onStarted,
+    onStopped,
+  };
+}
diff --git a/mobile/package-lock.json b/mobile/package-lock.json
index 2474a68..a9422e5 100644
--- a/mobile/package-lock.json
+++ b/mobile/package-lock.json
@@ -19,8 +19,11 @@
         "react": "19.2.3",
         "react-native": "0.86.0",
         "react-native-mmkv": "^4.3.2",
+        "react-native-nitro-image": "^0.15.1",
+        "react-native-nitro-modules": "^0.36.1",
         "react-native-safe-area-context": "~5.7.0",
-        "react-native-screens": "4.25.2"
+        "react-native-screens": "4.25.2",
+        "react-native-vision-camera": "^5.1.0"
       },
       "devDependencies": {
         "@types/react": "~19.2.2",
@@ -5268,12 +5271,25 @@
         "react-native-nitro-modules": "*"
       }
     },
+    "node_modules/react-native-nitro-image": {
+      "version": "0.15.1",
+      "resolved": "https://registry.npmjs.org/react-native-nitro-image/-/react-native-nitro-image-0.15.1.tgz",
+      "integrity": "sha512-slrImfUgasAdzylTiNWuTkawE0R4t7LGh+7N2VFa/D9+SxlQbkKYp1J6hA3XkkEnTnUCKaea39ZVg+1xx665MQ==",
+      "license": "MIT",
+      "workspaces": [
+        "example"
+      ],
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*",
+        "react-native-nitro-modules": "*"
+      }
+    },
     "node_modules/react-native-nitro-modules": {
       "version": "0.36.1",
       "resolved": "https://registry.npmjs.org/react-native-nitro-modules/-/react-native-nitro-modules-0.36.1.tgz",
       "integrity": "sha512-kBv/VvKqAmkXAvP1DxJMC9b/fRhh7JdSO4EUnPP46hJjrIFeFR8AwKm8mYaKZEuF014M/TVdv2vomVUW0umsQQ==",
       "license": "MIT",
-      "peer": true,
       "peerDependencies": {
         "react": "*",
         "react-native": "*"
@@ -5303,6 +5319,18 @@
         "react-native": ">=0.82.0"
       }
     },
+    "node_modules/react-native-vision-camera": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/react-native-vision-camera/-/react-native-vision-camera-5.1.0.tgz",
+      "integrity": "sha512-1rsZ4caFLmOhQ9wediPuqd+WEdRzLZ2/tMfo4Itdeuyx4V/sPkerIgYT2DYYvyXbB8swvFgEW7ihIdnUkarqeA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*",
+        "react-native-nitro-image": "*",
+        "react-native-nitro-modules": "*"
+      }
+    },
     "node_modules/react-native/node_modules/commander": {
       "version": "12.1.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-12.1.0.tgz",
diff --git a/mobile/package.json b/mobile/package.json
index f5da8ca..b11081f 100644
--- a/mobile/package.json
+++ b/mobile/package.json
@@ -14,8 +14,11 @@
     "react": "19.2.3",
     "react-native": "0.86.0",
     "react-native-mmkv": "^4.3.2",
+    "react-native-nitro-image": "^0.15.1",
+    "react-native-nitro-modules": "^0.36.1",
     "react-native-safe-area-context": "~5.7.0",
-    "react-native-screens": "4.25.2"
+    "react-native-screens": "4.25.2",
+    "react-native-vision-camera": "^5.1.0"
   },
   "devDependencies": {
     "@types/react": "~19.2.2",
@@ -23,8 +26,8 @@
   },
   "scripts": {
     "start": "expo start",
-    "android": "expo start --android",
-    "ios": "expo start --ios",
+    "android": "expo run:android",
+    "ios": "expo run:ios",
     "web": "expo start --web"
   },
   "private": true