diff --git a/app/Console/Commands/PruneStaleDeviceTokens.php b/app/Console/Commands/PruneStaleDeviceTokens.php
new file mode 100644
index 0000000..a1c60ec
--- /dev/null
+++ b/app/Console/Commands/PruneStaleDeviceTokens.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\DeviceToken;
+use Illuminate\Console\Command;
+
+class PruneStaleDeviceTokens extends Command
+{
+    protected $signature = 'device-tokens:prune-stale
+        {--days=180 : Number of days to retain device tokens since last refresh}';
+
+    protected $description = 'Prune stale Expo push device tokens.';
+
+    public function handle(): int
+    {
+        $days = filter_var($this->option('days'), FILTER_VALIDATE_INT, [
+            'options' => ['min_range' => 1],
+        ]);
+
+        if ($days === false) {
+            $this->error('The --days option must be an integer greater than zero.');
+
+            return self::FAILURE;
+        }
+
+        $deleted = DeviceToken::query()
+            ->where('updated_at', '<', now()->subDays($days))
+            ->delete();
+
+        $this->info("{$deleted} stale device token(s) pruned.");
+
+        return self::SUCCESS;
+    }
+}
diff --git a/config/sanctum.php b/config/sanctum.php
index 44527d6..adb4e30 100644
--- a/config/sanctum.php
+++ b/config/sanctum.php
@@ -47,7 +47,7 @@ return [
     |
     */
 
-    'expiration' => null,
+    'expiration' => 129600,
 
     /*
     |--------------------------------------------------------------------------
diff --git a/routes/console.php b/routes/console.php
index 370ca60..519c2b2 100644
--- a/routes/console.php
+++ b/routes/console.php
@@ -17,6 +17,10 @@ Schedule::command('auth:clear-resets')
     ->daily()
     ->withoutOverlapping()
     ->onOneServer();
+Schedule::command('device-tokens:prune-stale --days=180')
+    ->daily()
+    ->withoutOverlapping()
+    ->onOneServer();
 Schedule::command('meal-posts:generate-ai')
     ->daily()
     ->withoutOverlapping(55)
diff --git a/tests/Feature/DeviceTokenPruningTest.php b/tests/Feature/DeviceTokenPruningTest.php
new file mode 100644
index 0000000..25c8c1b
--- /dev/null
+++ b/tests/Feature/DeviceTokenPruningTest.php
@@ -0,0 +1,54 @@
+<?php
+
+use App\Models\DeviceToken;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+uses(RefreshDatabase::class);
+
+it('prunes stale expo device tokens by last refresh date', function () {
+    $this->travelTo(now());
+
+    $user = User::factory()->create();
+    $staleToken = $user->deviceTokens()->create([
+        'expo_push_token' => 'ExponentPushToken[stale]',
+        'platform' => 'ios',
+    ]);
+    $recentToken = $user->deviceTokens()->create([
+        'expo_push_token' => 'ExponentPushToken[recent]',
+        'platform' => 'android',
+    ]);
+    $staleToken->forceFill([
+        'created_at' => now()->subDays(181),
+        'updated_at' => now()->subDays(181),
+    ])->saveQuietly();
+    $recentToken->forceFill([
+        'created_at' => now()->subDays(179),
+        'updated_at' => now()->subDays(179),
+    ])->saveQuietly();
+
+    $this->artisan('device-tokens:prune-stale --days=180')
+        ->expectsOutput('1 stale device token(s) pruned.')
+        ->assertExitCode(0);
+
+    expect(DeviceToken::query()->whereKey($staleToken->getKey())->exists())->toBeFalse()
+        ->and(DeviceToken::query()->whereKey($recentToken->getKey())->exists())->toBeTrue();
+});
+
+it('rejects invalid retention days without deleting device tokens', function () {
+    $user = User::factory()->create();
+    $deviceToken = $user->deviceTokens()->create([
+        'expo_push_token' => 'ExponentPushToken[kept]',
+        'platform' => 'ios',
+    ]);
+    $deviceToken->forceFill([
+        'created_at' => now()->subYear(),
+        'updated_at' => now()->subYear(),
+    ])->saveQuietly();
+
+    $this->artisan('device-tokens:prune-stale --days=0')
+        ->expectsOutput('The --days option must be an integer greater than zero.')
+        ->assertExitCode(1);
+
+    expect(DeviceToken::query()->whereKey($deviceToken->getKey())->exists())->toBeTrue();
+});
diff --git a/tests/Feature/ScheduledAuthCleanupTest.php b/tests/Feature/ScheduledAuthCleanupTest.php
index 3b14cf9..8da742c 100644
--- a/tests/Feature/ScheduledAuthCleanupTest.php
+++ b/tests/Feature/ScheduledAuthCleanupTest.php
@@ -2,7 +2,7 @@
 
 use Illuminate\Support\Facades\Artisan;
 
-it('schedules expired auth token cleanup commands', function () {
+it('schedules expired auth and stale device token cleanup commands', function () {
     Artisan::call('schedule:list', [
         '--json' => true,
     ]);
@@ -12,5 +12,6 @@ it('schedules expired auth token cleanup commands', function () {
 
     expect($commands)
         ->toContain('php artisan sanctum:prune-expired --hours=24')
-        ->toContain('php artisan auth:clear-resets');
+        ->toContain('php artisan auth:clear-resets')
+        ->toContain('php artisan device-tokens:prune-stale --days=180');
 });