diff --git a/app/Jobs/HandleInvoicePaidJob.php b/app/Jobs/HandleInvoicePaidJob.php
index a7d64dad..4543238e 100644
--- a/app/Jobs/HandleInvoicePaidJob.php
+++ b/app/Jobs/HandleInvoicePaidJob.php
@@ -16,6 +16,8 @@
 use App\Models\ProductLicense;
 use App\Models\User;
 use App\Notifications\PluginSaleCompleted;
+use App\Notifications\PurchaseReceipt;
+use App\Notifications\UltraSubscriptionStarted;
 use App\Support\GitHubOAuth;
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
@@ -26,6 +28,7 @@
 use Illuminate\Support\Facades\Log;
 use Laravel\Cashier\Cashier;
 use Laravel\Cashier\SubscriptionItem;
+use RuntimeException;
 use Stripe\Invoice;
 use Stripe\StripeObject;
 use UnexpectedValueException;
@@ -66,6 +69,8 @@ private function handleSubscriptionUpdate(): void
 
     private function handleSubscriptionCreated(): void
     {
+        $this->notifyUltraSubscriber();
+
         // Get the subscription to check for renewal metadata
         $subscription = Cashier::stripe()->subscriptions->retrieve($this->invoice->subscription);
 
@@ -211,6 +216,9 @@ private function handleManualInvoice(): void
 
         // Notify developers of their sales
         $this->sendDeveloperSaleNotifications($this->invoice->id);
+
+        // Thank the buyer for their purchase
+        $user->notify(new PurchaseReceipt);
     }
 
     private function processCartPurchase(string $cartId): void
@@ -277,6 +285,9 @@ private function processCartPurchase(string $cartId): void
         // Notify developers of their sales
         $this->sendDeveloperSaleNotifications($this->invoice->id);
 
+        // Thank the buyer for their purchase
+        $user->notify(new PurchaseReceipt);
+
         Log::info('Cart purchase completed', [
             'invoice_id' => $this->invoice->id,
             'cart_id' => $cartId,
@@ -649,6 +660,27 @@ private function sendDeveloperSaleNotifications(string $invoiceId): void
             });
     }
 
+    private function notifyUltraSubscriber(): void
+    {
+        $line = $this->findPlanLineItem();
+
+        if (! $line || ! $line->price) {
+            return;
+        }
+
+        try {
+            $plan = Subscription::fromStripePriceId($line->price->id);
+        } catch (RuntimeException) {
+            return;
+        }
+
+        if ($plan !== Subscription::Max) {
+            return;
+        }
+
+        $this->billable()->notify(new UltraSubscriptionStarted);
+    }
+
     private function billable(): User
     {
         if ($user = Cashier::findBillable($this->invoice->customer)) {
diff --git a/app/Notifications/PurchaseReceipt.php b/app/Notifications/PurchaseReceipt.php
new file mode 100644
index 00000000..167c7737
--- /dev/null
+++ b/app/Notifications/PurchaseReceipt.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Contracts\TransactionalNotification;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class PurchaseReceipt extends Notification implements ShouldQueue, TransactionalNotification
+{
+    use Queueable;
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @return array<int, string>
+     */
+    public function via(object $notifiable): array
+    {
+        return ['mail', 'database'];
+    }
+
+    public function toMail(object $notifiable): MailMessage
+    {
+        $greeting = $notifiable->first_name
+            ? "Thank you, {$notifiable->first_name}!"
+            : 'Thank you for your purchase!';
+
+        return (new MailMessage)
+            ->subject('Thank you for your purchase')
+            ->greeting($greeting)
+            ->line('Your order is complete. Thank you for supporting NativePHP — every purchase helps fund the open source projects the ecosystem is built on.')
+            ->line('A receipt for this payment will arrive separately from Stripe, our payment processor.')
+            ->line('You can review your order history and access everything you have purchased from your dashboard.')
+            ->action('View Your Dashboard', route('customer.purchase-history.index'))
+            ->line("If you have any questions, just reply to this email and we'll be happy to help.")
+            ->salutation("Happy coding!\n\nThe NativePHP Team")
+            ->success();
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(object $notifiable): array
+    {
+        return [
+            'title' => 'Thank you for your purchase',
+            'body' => 'Your order is complete. You can access your purchases from your dashboard.',
+        ];
+    }
+}
diff --git a/app/Notifications/UltraSubscriptionStarted.php b/app/Notifications/UltraSubscriptionStarted.php
new file mode 100644
index 00000000..db848075
--- /dev/null
+++ b/app/Notifications/UltraSubscriptionStarted.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Contracts\TransactionalNotification;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class UltraSubscriptionStarted extends Notification implements ShouldQueue, TransactionalNotification
+{
+    use Queueable;
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @return array<int, string>
+     */
+    public function via(object $notifiable): array
+    {
+        return ['mail', 'database'];
+    }
+
+    public function toMail(object $notifiable): MailMessage
+    {
+        $greeting = $notifiable->first_name
+            ? "Welcome to Ultra, {$notifiable->first_name}!"
+            : 'Welcome to Ultra!';
+
+        return (new MailMessage)
+            ->subject('Welcome to NativePHP Ultra')
+            ->greeting($greeting)
+            ->line('Thank you for subscribing to Ultra. Your support directly funds NativePHP and the open source projects the ecosystem is built on.')
+            ->line('A receipt for this payment will arrive separately from Stripe, our payment processor.')
+            ->line('You can manage your subscription and explore everything your Ultra membership unlocks from your Ultra dashboard.')
+            ->action('Go to Your Ultra Dashboard', route('customer.ultra.index'))
+            ->line("If you have any questions, just reply to this email and we'll be happy to help.")
+            ->salutation("Happy coding!\n\nThe NativePHP Team")
+            ->success();
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(object $notifiable): array
+    {
+        return [
+            'title' => 'Welcome to NativePHP Ultra',
+            'body' => 'Your Ultra subscription is active. Explore your benefits from the Ultra dashboard.',
+        ];
+    }
+}
diff --git a/tests/Feature/Jobs/HandleInvoicePaidJobTest.php b/tests/Feature/Jobs/HandleInvoicePaidJobTest.php
index 6bc2c3ea..8fefc8f6 100644
--- a/tests/Feature/Jobs/HandleInvoicePaidJobTest.php
+++ b/tests/Feature/Jobs/HandleInvoicePaidJobTest.php
@@ -4,9 +4,15 @@
 
 use App\Jobs\CreateAnystackLicenseJob;
 use App\Jobs\HandleInvoicePaidJob;
+use App\Models\Cart;
+use App\Models\CartItem;
+use App\Models\Plugin;
 use App\Models\User;
+use App\Notifications\PurchaseReceipt;
+use App\Notifications\UltraSubscriptionStarted;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Support\Facades\Bus;
+use Illuminate\Support\Facades\Notification;
 use Laravel\Cashier\SubscriptionItem;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Test;
@@ -116,6 +122,87 @@ public function it_does_not_auto_set_is_comped_when_invoice_total_is_zero(): voi
         $this->assertEquals(0, $subscription->price_paid);
     }
 
+    #[Test]
+    public function it_sends_ultra_welcome_email_when_an_ultra_subscription_is_created(): void
+    {
+        Notification::fake();
+
+        $user = User::factory()->create(['stripe_id' => 'cus_test123']);
+
+        $priceId = 'price_test_max';
+        config(['subscriptions.plans.max.stripe_price_id' => $priceId]);
+
+        $this->mockStripeSubscriptionRetrieve('sub_test123');
+
+        $invoice = $this->createStripeInvoice(
+            customerId: 'cus_test123',
+            subscriptionId: 'sub_test123',
+            billingReason: Invoice::BILLING_REASON_SUBSCRIPTION_CREATE,
+            priceId: $priceId,
+            subscriptionItemId: 'si_test123',
+        );
+
+        (new HandleInvoicePaidJob($invoice))->handle();
+
+        Notification::assertSentTo($user, UltraSubscriptionStarted::class);
+    }
+
+    #[Test]
+    public function it_does_not_send_ultra_welcome_email_for_non_ultra_subscriptions(): void
+    {
+        Notification::fake();
+
+        $user = User::factory()->create(['stripe_id' => 'cus_test123']);
+
+        $priceId = 'price_test_pro';
+        config(['subscriptions.plans.pro.stripe_price_id' => $priceId]);
+
+        $this->mockStripeSubscriptionRetrieve('sub_test123');
+
+        $invoice = $this->createStripeInvoice(
+            customerId: 'cus_test123',
+            subscriptionId: 'sub_test123',
+            billingReason: Invoice::BILLING_REASON_SUBSCRIPTION_CREATE,
+            priceId: $priceId,
+            subscriptionItemId: 'si_test123',
+        );
+
+        (new HandleInvoicePaidJob($invoice))->handle();
+
+        Notification::assertNothingSentTo($user);
+    }
+
+    #[Test]
+    public function it_sends_a_purchase_receipt_to_the_buyer_after_a_cart_purchase(): void
+    {
+        Notification::fake();
+
+        $buyer = User::factory()->create(['stripe_id' => 'cus_test_buyer']);
+
+        $plugin = Plugin::factory()->approved()->free()->create(['is_active' => true]);
+
+        $cart = Cart::factory()->for($buyer)->create();
+        CartItem::create([
+            'cart_id' => $cart->id,
+            'plugin_id' => $plugin->id,
+            'price_at_addition' => 0,
+        ]);
+
+        $invoice = Invoice::constructFrom([
+            'id' => 'in_test_'.uniqid(),
+            'billing_reason' => Invoice::BILLING_REASON_MANUAL,
+            'customer' => $buyer->stripe_id,
+            'payment_intent' => 'pi_test_'.uniqid(),
+            'currency' => 'usd',
+            'metadata' => ['cart_id' => $cart->id],
+            'lines' => [],
+        ]);
+
+        (new HandleInvoicePaidJob($invoice))->handle();
+
+        Notification::assertSentTo($buyer, PurchaseReceipt::class);
+    }
+
     public static function subscriptionPlanProvider(): array
     {
         return [