diff --git a/apps/api/src/utils/plans.ts b/apps/api/src/utils/plans.ts
index 4adb018..065e57a 100644
--- a/apps/api/src/utils/plans.ts
+++ b/apps/api/src/utils/plans.ts
@@ -1,4 +1,4 @@
-export type Plan = "free" | "pro" | "lifetime";
+export type Plan = "free" | "pro" | "pro4x" | "lifetime";
 
 export interface PlanLimits {
   maxMonitors: number;
@@ -17,6 +17,11 @@ const PLANS: Record<Plan, PlanLimits> = {
     minIntervalS: 2,
     maxRegions: 99,
   },
+  pro4x: {
+    maxMonitors: 800,
+    minIntervalS: 2,
+    maxRegions: 99,
+  },
   lifetime: {
     maxMonitors: 200,
     minIntervalS: 2,
diff --git a/apps/pay/src/monitor.ts b/apps/pay/src/monitor.ts
index d70a236..9c32f86 100644
--- a/apps/pay/src/monitor.ts
+++ b/apps/pay/src/monitor.ts
@@ -219,10 +219,11 @@ async function applyPlan(payment: any) {
     const [acc] = await sql`SELECT plan, plan_expires_at FROM accounts WHERE id = ${payment.account_id}`;
     const now = new Date();
     const expiry = acc.plan_expires_at ? new Date(acc.plan_expires_at) : null;
-    const base = (acc.plan === "pro" && expiry && expiry > now) ? expiry : now;
+    const samePlan = acc.plan === payment.plan && expiry && expiry > now;
+    const base = samePlan ? expiry : now;
     const newExpiry = new Date(base);
     newExpiry.setMonth(newExpiry.getMonth() + payment.months);
-    await sql`UPDATE accounts SET plan = 'pro', plan_expires_at = ${newExpiry.toISOString()} WHERE id = ${payment.account_id}`;
+    await sql`UPDATE accounts SET plan = ${payment.plan}, plan_expires_at = ${newExpiry.toISOString()} WHERE id = ${payment.account_id}`;
   }
   console.log(`Payment ${payment.id} activated: ${payment.plan} for account ${payment.account_id}`);
 }
diff --git a/apps/pay/src/plans.ts b/apps/pay/src/plans.ts
index 4a166d1..f4a0f9c 100644
--- a/apps/pay/src/plans.ts
+++ b/apps/pay/src/plans.ts
@@ -3,6 +3,10 @@ export const PLANS = {
     label: "Pro",
     monthlyUsd: 12,
   },
+  pro4x: {
+    label: "Pro 4x",
+    monthlyUsd: 48,
+  },
   lifetime: {
     label: "Lifetime",
     priceUsd: 140,
diff --git a/apps/pay/src/routes.ts b/apps/pay/src/routes.ts
index f81eb6a..67b48ba 100644
--- a/apps/pay/src/routes.ts
+++ b/apps/pay/src/routes.ts
@@ -72,7 +72,8 @@ export const routes = new Elysia()
     if (!available.includes(coin)) { set.status = 400; return { error: `${coin} is temporarily unavailable` }; }
 
     // Calculate amount
-    const amountUsd = plan === "lifetime" ? PLANS.lifetime.priceUsd : PLANS.pro.monthlyUsd * (months ?? 1);
+    const planPricing = plan === "lifetime" ? null : (plan === "pro4x" ? PLANS.pro4x : PLANS.pro);
+    const amountUsd = plan === "lifetime" ? PLANS.lifetime.priceUsd : planPricing!.monthlyUsd * (months ?? 1);
     const rates = await getExchangeRates();
     const rate = rates[coin];
     if (!rate) { set.status = 500; return { error: "Could not fetch exchange rate" }; }
diff --git a/apps/web/src/views/checkout.ejs b/apps/web/src/views/checkout.ejs
index 2489a06..ca1f021 100644
--- a/apps/web/src/views/checkout.ejs
+++ b/apps/web/src/views/checkout.ejs
@@ -9,10 +9,12 @@
 %>
 
 <style>
-  /* Show months section only when pro is selected */
+  /* Show months section when pro or pro4x is selected */
   #plan-pro:checked ~ #months-section { display: block; }
+  #plan-pro4x:checked ~ #months-section { display: block; }
   /* Highlight selected plan */
   #plan-pro:checked ~ .plan-labels label[for="plan-pro"] { border-color: rgb(59 130 246 / 0.5); }
+  #plan-pro4x:checked ~ .plan-labels label[for="plan-pro4x"] { border-color: rgb(59 130 246 / 0.5); }
   #plan-lifetime:checked ~ .plan-labels label[for="plan-lifetime"] { border-color: rgb(234 179 8 / 0.5); }
   /* Highlight selected coin */
   .coin-radio:checked + label { border-color: rgb(59 130 246); }
@@ -30,15 +32,22 @@
 
     <!-- Hidden radios for plan (CSS uses :checked) -->
     <input type="radio" name="plan" value="pro" id="plan-pro" class="hidden peer/pro" checked>
+    <input type="radio" name="plan" value="pro4x" id="plan-pro4x" class="hidden peer/pro4x">
     <input type="radio" name="plan" value="lifetime" id="plan-lifetime" class="hidden peer/lifetime">
 
-    <div class="plan-labels grid grid-cols-2 gap-4">
+    <div class="plan-labels grid grid-cols-3 gap-4">
       <label for="plan-pro"
         class="cursor-pointer text-left bg-surface border-2 border-border-subtle hover:border-blue-500/40 rounded-xl p-5 transition-colors">
         <div class="text-xs text-gray-500 uppercase tracking-wider font-mono mb-1">Pro</div>
         <div class="text-2xl font-bold text-gray-100">$12<span class="text-sm font-normal text-gray-500">/mo</span></div>
         <div class="text-xs text-gray-500 mt-2">200 monitors, 2s intervals</div>
       </label>
+      <label for="plan-pro4x"
+        class="cursor-pointer text-left bg-surface border-2 border-border-subtle hover:border-blue-500/40 rounded-xl p-5 transition-colors">
+        <div class="text-xs text-gray-500 uppercase tracking-wider font-mono mb-1">Pro 4x</div>
+        <div class="text-2xl font-bold text-gray-100">$48<span class="text-sm font-normal text-gray-500">/mo</span></div>
+        <div class="text-xs text-gray-500 mt-2">800 monitors, 2s intervals</div>
+      </label>
       <label for="plan-lifetime"
         class="cursor-pointer text-left bg-surface border-2 border-border-subtle hover:border-yellow-500/40 rounded-xl p-5 transition-colors relative">
         <span class="absolute top-3 right-3 text-[10px] font-semibold px-2 py-0.5 rounded-full bg-yellow-500/15 text-yellow-500 border border-yellow-500/20">Launch Deal</span>
@@ -48,12 +57,12 @@
       </label>
     </div>
 
-    <!-- Months (visible only when pro selected, via CSS) -->
+    <!-- Months (visible only when pro/pro4x selected, via CSS) -->
     <div id="months-section" class="hidden">
       <label class="block text-sm text-gray-400 mb-2">How many months?</label>
-      <select name="months" class="input-base px-4 py-2.5 text-gray-100">
+      <select id="months-select" name="months" class="input-base px-4 py-2.5 text-gray-100">
         <% for (let i = 1; i <= 12; i++) { %>
-          <option value="<%= i %>"><%= i %> month<%= i > 1 ? 's' : '' %> — $<%= i * 12 %></option>
+          <option value="<%= i %>" data-pro="$<%= i * 12 %>" data-pro4x="$<%= i * 48 %>"><%= i %> month<%= i > 1 ? 's' : '' %> — $<%= i * 12 %></option>
         <% } %>
       </select>
     </div>
@@ -194,4 +203,19 @@
 </main>
 
 
+  <script>
+    // Update month pricing when switching between pro and pro4x
+    document.querySelectorAll('input[name="plan"]').forEach(radio => {
+      radio.addEventListener('change', () => {
+        const sel = document.getElementById('months-select');
+        if (!sel) return;
+        const plan = radio.value;
+        for (const opt of sel.options) {
+          const price = opt.dataset[plan] || opt.dataset.pro;
+          if (price) opt.textContent = opt.value + ' month' + (opt.value > 1 ? 's' : '') + ' — ' + price;
+        }
+      });
+    });
+  </script>
+
 <%~ include('./partials/foot') %>
diff --git a/apps/web/src/views/landing.ejs b/apps/web/src/views/landing.ejs
index ef1ba63..20d5fe3 100644
--- a/apps/web/src/views/landing.ejs
+++ b/apps/web/src/views/landing.ejs
@@ -482,13 +482,13 @@
       <h2 class="text-3xl sm:text-4xl font-bold tracking-tight mb-4">Simple pricing</h2>
       <p class="text-gray-400 text-lg mb-12">Start for free. No credit card required.</p>
 
-      <div class="grid sm:grid-cols-3 gap-6 max-w-4xl mx-auto">
+      <div class="grid sm:grid-cols-2 lg:grid-cols-4 gap-5 max-w-5xl mx-auto">
         <!-- Free -->
-        <div class="pricing-free rounded-xl p-8 text-left">
+        <div class="pricing-free rounded-xl p-7 text-left">
           <div class="text-xs text-gray-500 uppercase tracking-wider font-mono mb-2">Free</div>
-          <div class="text-4xl font-bold mb-1">$0</div>
-          <div class="text-sm text-gray-500 mb-6">forever</div>
-          <ul class="space-y-3 text-sm text-gray-400">
+          <div class="text-3xl font-bold mb-1">$0</div>
+          <div class="text-sm text-gray-500 mb-5">forever</div>
+          <ul class="space-y-2.5 text-sm text-gray-400">
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-green-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
               10 monitors
@@ -499,21 +499,17 @@
             </li>
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-green-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
-              Full query language
-            </li>
-            <li class="flex items-center gap-2">
-              <svg class="w-4 h-4 text-green-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
-              Single region monitors
+              Single region
             </li>
           </ul>
         </div>
 
         <!-- Pro -->
-        <div class="pricing-pro rounded-xl p-8 text-left relative">
+        <div class="pricing-pro rounded-xl p-7 text-left">
           <div class="text-xs text-blue-400 uppercase tracking-wider font-mono mb-2">Pro</div>
-          <div class="text-4xl font-bold mb-1">$12</div>
-          <div class="text-sm text-gray-500 mb-6">per month</div>
-          <ul class="space-y-3 text-sm text-gray-400">
+          <div class="text-3xl font-bold mb-1">$12</div>
+          <div class="text-sm text-gray-500 mb-5">per month</div>
+          <ul class="space-y-2.5 text-sm text-gray-400">
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-blue-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
               200 monitors
@@ -524,25 +520,46 @@
             </li>
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-blue-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
-              Multi-region monitors
+              Multi-region
+            </li>
+          </ul>
+        </div>
+
+        <!-- Pro 4x -->
+        <div class="pricing-pro rounded-xl p-7 text-left">
+          <div class="text-xs text-blue-400 uppercase tracking-wider font-mono mb-2">Pro 4x</div>
+          <div class="text-3xl font-bold mb-1">$48</div>
+          <div class="text-sm text-gray-500 mb-5">per month</div>
+          <ul class="space-y-2.5 text-sm text-gray-400">
+            <li class="flex items-center gap-2">
+              <svg class="w-4 h-4 text-blue-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
+              800 monitors
+            </li>
+            <li class="flex items-center gap-2">
+              <svg class="w-4 h-4 text-blue-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
+              2s check interval
+            </li>
+            <li class="flex items-center gap-2">
+              <svg class="w-4 h-4 text-blue-400 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
+              Multi-region
             </li>
           </ul>
         </div>
 
         <!-- Lifetime -->
-        <div class="pricing-lifetime rounded-xl p-8 text-left relative">
+        <div class="pricing-lifetime rounded-xl p-7 text-left relative">
           <span class="absolute top-3 right-3 text-[10px] font-semibold px-2 py-0.5 rounded-full bg-yellow-500/15 text-yellow-500 border border-yellow-500/20">Launch Deal</span>
           <div class="text-xs text-yellow-500 uppercase tracking-wider font-mono mb-2">Lifetime</div>
-          <div class="text-4xl font-bold mb-1">$140</div>
-          <div class="text-sm text-gray-500 mb-6">one-time</div>
-          <ul class="space-y-3 text-sm text-gray-400">
+          <div class="text-3xl font-bold mb-1">$140</div>
+          <div class="text-sm text-gray-500 mb-5">one-time</div>
+          <ul class="space-y-2.5 text-sm text-gray-400">
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-yellow-500 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
               Everything in Pro
             </li>
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-yellow-500 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
-              Pay once, use forever
+              Pay once, forever
             </li>
             <li class="flex items-center gap-2">
               <svg class="w-4 h-4 text-yellow-500 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/></svg>
diff --git a/apps/web/src/views/settings.ejs b/apps/web/src/views/settings.ejs
index 9fa55ea..bfbebf9 100644
--- a/apps/web/src/views/settings.ejs
+++ b/apps/web/src/views/settings.ejs
@@ -5,8 +5,8 @@
   const hasEmail = !!it.account.email_hash;
   const createdDate = new Date(it.account.created_at).toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' });
   const plan = it.account.plan || 'free';
-  const planLabel = { free: 'Free', pro: 'Pro', lifetime: 'Lifetime' }[plan] || plan;
-  const limits = { free: { monitors: 10, interval: '30s', regions: 1 }, pro: { monitors: 200, interval: '2s', regions: 'All' }, lifetime: { monitors: 200, interval: '2s', regions: 'All' } }[plan] || { monitors: 10, interval: '30s', regions: 1 };
+  const planLabel = { free: 'Free', pro: 'Pro', pro4x: 'Pro 4x', lifetime: 'Lifetime' }[plan] || plan;
+  const limits = { free: { monitors: 10, interval: '30s', regions: 1 }, pro: { monitors: 200, interval: '2s', regions: 'All' }, pro4x: { monitors: 800, interval: '2s', regions: 'All' }, lifetime: { monitors: 200, interval: '2s', regions: 'All' } }[plan] || { monitors: 10, interval: '30s', regions: 1 };
 %>
 
 <main class="max-w-3xl mx-auto px-8 py-10 space-y-8">
@@ -19,8 +19,8 @@
         <h2 class="text-sm font-semibold text-gray-300">Plan</h2>
         <% if (plan === 'free') { %>
           <span class="text-xs font-medium px-2.5 py-1 rounded-full bg-gray-800/50 border border-border-subtle text-gray-400">Free</span>
-        <% } else if (plan === 'pro') { %>
-          <span class="text-xs font-medium px-2.5 py-1 rounded-full bg-gradient-to-r from-blue-600/20 to-blue-500/10 border border-blue-500/30 text-blue-400">Pro</span>
+        <% } else if (plan === 'pro' || plan === 'pro4x') { %>
+          <span class="text-xs font-medium px-2.5 py-1 rounded-full bg-gradient-to-r from-blue-600/20 to-blue-500/10 border border-blue-500/30 text-blue-400"><%= planLabel %></span>
         <% } else if (plan === 'lifetime') { %>
           <span class="text-xs font-medium px-2.5 py-1 rounded-full bg-gradient-to-r from-yellow-600/20 to-yellow-500/10 border border-yellow-500/30 text-yellow-400">Lifetime</span>
         <% } %>
@@ -43,7 +43,7 @@
       <div class="mt-4 pt-4 border-t divider">
         <a href="/dashboard/checkout" class="btn-primary inline-flex items-center gap-2 px-4 py-2 text-sm">Upgrade to Pro</a>
       </div>
-      <% } else if (plan === 'pro' && it.account.plan_expires_at) { %>
+      <% } else if ((plan === 'pro' || plan === 'pro4x') && it.account.plan_expires_at) { %>
       <div class="mt-4 pt-4 border-t divider text-xs text-gray-500">
         Pro plan expires <%= new Date(it.account.plan_expires_at).toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' }) %>.
         <a href="/dashboard/checkout" class="text-blue-400 hover:text-blue-300 ml-1">Extend or upgrade to Lifetime</a>