diff --git a/apps/api/src/utils/plans.ts b/apps/api/src/utils/plans.ts
index 8f71835..1a90bde 100644
--- a/apps/api/src/utils/plans.ts
+++ b/apps/api/src/utils/plans.ts
@@ -6,15 +6,12 @@ export interface PlanLimits {
   maxRegions: number;
 }
 
-// Base pro limits — multiplied for 2x/4x tiers
-const PRO_BASE = { maxMonitors: 200, minIntervalS: 2, maxRegions: 99 };
-
 const PLANS: Record<Plan, PlanLimits> = {
-  free:     { maxMonitors: 10,                    minIntervalS: 30, maxRegions: 1 },
-  pro:      { ...PRO_BASE },
-  pro2x:    { ...PRO_BASE, maxMonitors: PRO_BASE.maxMonitors * 2 },
-  pro4x:    { ...PRO_BASE, maxMonitors: PRO_BASE.maxMonitors * 4 },
-  lifetime: { ...PRO_BASE },
+  free:     { maxMonitors: 10,  minIntervalS: 30, maxRegions: 1 },
+  pro:      { maxMonitors: 200, minIntervalS: 5,  maxRegions: 99 },
+  pro2x:    { maxMonitors: 400, minIntervalS: 2,  maxRegions: 99 },
+  pro4x:    { maxMonitors: 800, minIntervalS: 1,  maxRegions: 99 },
+  lifetime: { maxMonitors: 200, minIntervalS: 5,  maxRegions: 99 },
 };
 
 export function getPlanLimits(plan: string): PlanLimits {
@@ -27,9 +24,9 @@ export const PLAN_LABELS: Record<string, string> = {
 };
 
 export const PRO_MULTIPLIERS = [
-  { plan: "pro",   label: "1x", monitors: PRO_BASE.maxMonitors,     priceMultiplier: 1 },
-  { plan: "pro2x", label: "2x", monitors: PRO_BASE.maxMonitors * 2, priceMultiplier: 2 },
-  { plan: "pro4x", label: "4x", monitors: PRO_BASE.maxMonitors * 4, priceMultiplier: 4 },
+  { plan: "pro",   label: "1x", monitors: 200, interval: "5s",  priceMultiplier: 1 },
+  { plan: "pro2x", label: "2x", monitors: 400, interval: "2s",  priceMultiplier: 2 },
+  { plan: "pro4x", label: "4x", monitors: 800, interval: "1s",  priceMultiplier: 4 },
 ];
 
 export const PRO_MONTHLY_USD = 12;
diff --git a/apps/web/src/views/checkout.ejs b/apps/web/src/views/checkout.ejs
index ae5417b..c80e65a 100644
--- a/apps/web/src/views/checkout.ejs
+++ b/apps/web/src/views/checkout.ejs
@@ -41,7 +41,7 @@
         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">From $12<span class="text-sm font-normal text-gray-500">/mo</span></div>
-        <div class="text-xs text-gray-500 mt-2">200–800 monitors, 2s intervals</div>
+        <div class="text-xs text-gray-500 mt-2">200–800 monitors, 5s–1s 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">
@@ -61,17 +61,17 @@
           <input type="radio" name="plan" value="pro" id="tier-1x" class="hidden tier-radio" checked>
           <label for="tier-1x" class="cursor-pointer text-center bg-surface border-2 border-border-subtle hover:border-blue-500/40 rounded-lg py-2.5 transition-colors">
             <div class="text-sm font-semibold text-gray-200">1x</div>
-            <div class="text-xs text-gray-500">200 monitors · $12/mo</div>
+            <div class="text-xs text-gray-500">200 monitors · 5s · $12/mo</div>
           </label>
           <input type="radio" name="plan" value="pro2x" id="tier-2x" class="hidden tier-radio">
           <label for="tier-2x" class="cursor-pointer text-center bg-surface border-2 border-border-subtle hover:border-blue-500/40 rounded-lg py-2.5 transition-colors">
             <div class="text-sm font-semibold text-gray-200">2x</div>
-            <div class="text-xs text-gray-500">400 monitors · $24/mo</div>
+            <div class="text-xs text-gray-500">400 monitors · 2s · $24/mo</div>
           </label>
           <input type="radio" name="plan" value="pro4x" id="tier-4x" class="hidden tier-radio">
           <label for="tier-4x" class="cursor-pointer text-center bg-surface border-2 border-border-subtle hover:border-blue-500/40 rounded-lg py-2.5 transition-colors">
             <div class="text-sm font-semibold text-gray-200">4x</div>
-            <div class="text-xs text-gray-500">800 monitors · $48/mo</div>
+            <div class="text-xs text-gray-500">800 monitors · 1s · $48/mo</div>
           </label>
         </div>
       </div>
diff --git a/apps/web/src/views/landing.ejs b/apps/web/src/views/landing.ejs
index 0899a36..51f7a60 100644
--- a/apps/web/src/views/landing.ejs
+++ b/apps/web/src/views/landing.ejs
@@ -520,7 +520,7 @@
             </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
+              5s–1s 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>
diff --git a/apps/web/src/views/partials/monitor-form.ejs b/apps/web/src/views/partials/monitor-form.ejs
index ae9b297..481363b 100644
--- a/apps/web/src/views/partials/monitor-form.ejs
+++ b/apps/web/src/views/partials/monitor-form.ejs
@@ -5,11 +5,11 @@
   const bg = it._form?.bg || 'bg-gray-900';
   const border = it._form?.border || 'border-gray-800';
   const plan = it.plan || 'free';
-  const minInterval = { free: 30, pro: 2, lifetime: 2 }[plan] || 30;
+  const minInterval = { free: 30, pro: 5, pro2x: 2, pro4x: 1, lifetime: 5 }[plan] || 30;
   const btnText = isEdit ? 'Save Changes' : 'Create Monitor';
   const formId = prefix + 'form';
   const methods = ['GET','POST','PUT','PATCH','DELETE','HEAD','OPTIONS'];
-  const allIntervals = [['2','2 seconds'],['5','5 seconds'],['10','10 seconds'],['20','20 seconds'],['30','30 seconds'],['60','1 minute'],['300','5 minutes'],['600','10 minutes'],['1800','30 minutes'],['3600','1 hour']];
+  const allIntervals = [['1','1 second'],['2','2 seconds'],['5','5 seconds'],['10','10 seconds'],['20','20 seconds'],['30','30 seconds'],['60','1 minute'],['300','5 minutes'],['600','10 minutes'],['1800','30 minutes'],['3600','1 hour']];
   const intervals = allIntervals.filter(([val]) => Number(val) >= minInterval);
   const timeouts = [['5000','5 seconds'],['10000','10 seconds'],['20000','20 seconds'],['30000','30 seconds'],['40000','40 seconds'],['50000','50 seconds'],['60000','60 seconds']];
   const regions = [['eu-central','EU Central'],['us-west','US West']];
diff --git a/apps/web/src/views/settings.ejs b/apps/web/src/views/settings.ejs
index a6e036c..1eb3379 100644
--- a/apps/web/src/views/settings.ejs
+++ b/apps/web/src/views/settings.ejs
@@ -8,10 +8,10 @@
   const planLabel = { free: 'Free', pro: 'Pro', pro2x: 'Pro 2x', pro4x: 'Pro 4x', lifetime: 'Lifetime' }[plan] || plan;
   const limits = {
     free:     { monitors: 10,  interval: '30s', regions: 1 },
-    pro:      { monitors: 200, interval: '2s',  regions: 'All' },
+    pro:      { monitors: 200, interval: '5s',  regions: 'All' },
     pro2x:    { monitors: 400, interval: '2s',  regions: 'All' },
-    pro4x:    { monitors: 800, interval: '2s',  regions: 'All' },
-    lifetime: { monitors: 200, interval: '2s',  regions: 'All' },
+    pro4x:    { monitors: 800, interval: '1s',  regions: 'All' },
+    lifetime: { monitors: 200, interval: '5s',  regions: 'All' },
   }[plan] || { monitors: 10, interval: '30s', regions: 1 };
 %>