diff --git a/bot/app/web/frontend/src/App.svelte b/bot/app/web/frontend/src/App.svelte
index 8a47f8d..8ba76fd 100644
--- a/bot/app/web/frontend/src/App.svelte
+++ b/bot/app/web/frontend/src/App.svelte
@@ -461,6 +461,8 @@
   $: trafficMode = Boolean(appSettings?.traffic_mode);
   $: tariffMode = plans.some((plan) => plan?.tariff_key);
   $: tariffCatalog = buildTariffCatalog(plans);
+  $: singleTariffMode = tariffMode && tariffCatalog.length === 1;
+  $: hasMultipleTariffs = tariffCatalog.length > 1;
   $: selectedTariff = tariffCatalog.find((tariff) => tariff.key === selectedTariffKey) || null;
   $: selectedTariffPlans = tariffMode ? (selectedTariffKey ? plans.filter((plan) => plan?.tariff_key === selectedTariffKey) : []) : plans;
   $: devicesEnabled = Boolean(appSettings?.my_devices_enabled);
@@ -498,10 +500,15 @@
   $: applyFavicon(CFG.logoUrl, brandEmoji);
   $: syncBodyScrollLock(paymentModalOpen || changeModalOpen || changeConfirmOpen || topupModalOpen || deviceTopupModalOpen || linkEmailOpen);
   $: if (!tariffMode && !selectedPlan && plans.length) selectedPlan = plans[Math.min(1, plans.length - 1)];
+  $: if (singleTariffMode && tariffCatalog[0]?.key && selectedTariffKey !== tariffCatalog[0].key) {
+    selectedTariffKey = tariffCatalog[0].key;
+    selectedPlan = plans.find((plan) => plan?.tariff_key === selectedTariffKey) || null;
+    if (paymentStep === "tariff") paymentStep = "checkout";
+  }
   $: if (tariffMode && selectedTariffKey && !tariffCatalog.some((tariff) => tariff.key === selectedTariffKey)) {
     selectedTariffKey = "";
     selectedPlan = null;
-    paymentStep = "tariff";
+    paymentStep = singleTariffMode ? "checkout" : "tariff";
   }
   $: if (tariffMode && selectedTariffKey && (!selectedPlan || selectedPlan.tariff_key !== selectedTariffKey)) {
     selectedPlan = selectedTariffPlans[0] || null;
@@ -1753,7 +1760,11 @@
 
   function openPaymentModal() {
     if (tariffMode) {
-      if (subscription?.active && subscription?.tariff_key && tariffCatalog.some((t) => t.key === subscription.tariff_key)) {
+      if (singleTariffMode && tariffCatalog[0]?.key) {
+        selectedTariffKey = tariffCatalog[0].key;
+        selectedPlan = plans.find((plan) => plan?.tariff_key === selectedTariffKey) || null;
+        paymentStep = "checkout";
+      } else if (subscription?.active && subscription?.tariff_key && tariffCatalog.some((t) => t.key === subscription.tariff_key)) {
         selectedTariffKey = subscription.tariff_key;
         selectedPlan = plans.find((plan) => plan?.tariff_key === selectedTariffKey) || null;
         paymentStep = "checkout";
@@ -2004,12 +2015,18 @@
   }
 
   function paymentTitle() {
+    if (singleTariffMode) {
+      return selectedTariff?.billing_model === "traffic" ? t("wa_traffic_packages_title") : t("wa_subscription_title");
+    }
     if (tariffMode) return t("wa_tariffs_title");
     return trafficMode ? t("wa_traffic_packages_title") : t("wa_subscription_title");
   }
 
   function paymentDescription() {
     if (tariffMode) {
+      if (singleTariffMode) {
+        return selectedTariff?.billing_model === "traffic" ? t("wa_traffic_packages_choose") : t("wa_subscription_choose_period");
+      }
       return paymentStep === "checkout" && selectedTariff
         ? t("wa_tariff_choose_period_payment", { tariff: selectedTariff.title })
         : t("wa_tariffs_choose");
@@ -2435,7 +2452,7 @@
                     <CheckCircle2 size={23} />
                     <div>
                       <h2>{trafficMode ? t("wa_home_access_active") : t("wa_home_subscription_active")} | {activeSubscriptionTermLabel(subscription)}</h2>
-                      {#if hasActiveTariffSubscription && currentTariffName}
+                      {#if hasActiveTariffSubscription && hasMultipleTariffs && currentTariffName}
                         <p class="current-tariff-line">{t("wa_current_tariff", { tariff: currentTariffName })}</p>
                       {/if}
                       <p>{subscription.end_date_text ? t("wa_until_date", { date: subscription.end_date_text }) : subscription.remaining_text}</p>
@@ -2841,7 +2858,7 @@
         class="payment-dialog-card"
       >
         <div class="payment-dialog-body">
-          {#if tariffMode && paymentStep === "tariff"}
+          {#if tariffMode && !singleTariffMode && paymentStep === "tariff"}
             {#if tariffCatalog.length}
               <div class="option-list tariff-list">
                 {#each tariffCatalog as tariff}
@@ -2875,13 +2892,13 @@
             {/if}
           {:else}
             {#if tariffMode}
-              {#if !(subscription?.active && subscription?.tariff_key && tariffCatalog.some((t) => t.key === subscription.tariff_key))}
+              {#if !singleTariffMode && !(subscription?.active && subscription?.tariff_key && tariffCatalog.some((t) => t.key === subscription.tariff_key))}
                 <button class="back-inline" type="button" on:click={backToTariffList}>
                   <ArrowLeft size={16} />
                   {t("wa_back_to_tariffs")}
                 </button>
               {/if}
-              {#if selectedTariff}
+              {#if hasMultipleTariffs && selectedTariff}
                 <p class="tariff-step-caption">{t("wa_selected_tariff", { tariff: selectedTariff.title })}</p>
               {/if}
             {/if}
diff --git a/bot/handlers/user/subscription/core.py b/bot/handlers/user/subscription/core.py
index e1a6c53..e9888db 100644
--- a/bot/handlers/user/subscription/core.py
+++ b/bot/handlers/user/subscription/core.py
@@ -1,5 +1,4 @@
 import hashlib
-import hashlib
 import logging
 from aiogram import Router, F, types, Bot
 from aiogram.filters import Command
@@ -45,6 +44,29 @@ def _hwid_callback_token(hwid: Optional[str]) -> str:
     return hashlib.sha256(hwid_str.encode()).hexdigest()[:32]
 
 
+def _enabled_tariffs(settings: Settings) -> list:
+    config = getattr(settings, "tariffs_config", None)
+    return list(config.enabled_tariffs) if config else []
+
+
+def _has_multiple_enabled_tariffs(settings: Settings) -> bool:
+    return len(_enabled_tariffs(settings)) > 1
+
+
+def _tariff_purchase_markup(tariff, current_lang: str, i18n: JsonI18n, settings: Settings) -> InlineKeyboardMarkup:
+    if tariff.billing_model == "period":
+        return get_tariff_periods_keyboard(tariff, current_lang, i18n, settings)
+    return get_tariff_packages_keyboard(tariff, tariff.traffic_packages.rub, current_lang, i18n)
+
+
+def _tariff_purchase_text(tariff, current_lang: str, i18n: JsonI18n, settings: Settings) -> str:
+    if not _has_multiple_enabled_tariffs(settings):
+        if tariff.billing_model == "period":
+            return i18n.gettext(current_lang, "select_subscription_period")
+        return i18n.gettext(current_lang, "select_traffic_package")
+    return f"{tariff.name(current_lang)}\n{tariff.description(current_lang)}".strip()
+
+
 async def display_subscription_options(
     event: Union[types.Message, types.CallbackQuery],
     i18n_data: dict,
@@ -71,8 +93,14 @@ async def display_subscription_options(
     currency_symbol_val = settings.DEFAULT_CURRENCY_SYMBOL
     tariffs_config = getattr(settings, "tariffs_config", None)
     if tariffs_config:
-        text_content = get_text("select_subscription_period")
-        reply_markup = get_tariff_catalog_keyboard(tariffs_config.enabled_tariffs, current_lang, i18n)
+        enabled_tariffs = list(tariffs_config.enabled_tariffs)
+        if len(enabled_tariffs) == 1:
+            tariff = enabled_tariffs[0]
+            text_content = _tariff_purchase_text(tariff, current_lang, i18n, settings)
+            reply_markup = _tariff_purchase_markup(tariff, current_lang, i18n, settings)
+        else:
+            text_content = get_text("select_subscription_period")
+            reply_markup = get_tariff_catalog_keyboard(enabled_tariffs, current_lang, i18n)
         target_message_obj = event.message if isinstance(event, types.CallbackQuery) else event
         if isinstance(event, types.CallbackQuery):
             try:
@@ -159,11 +187,8 @@ async def select_tariff_callback(callback: types.CallbackQuery, i18n_data: dict,
     except Exception:
         await callback.answer(get_text("error_try_again"), show_alert=True)
         return
-    if tariff.billing_model == "period":
-        markup = get_tariff_periods_keyboard(tariff, current_lang, i18n, settings)
-    else:
-        markup = get_tariff_packages_keyboard(tariff, tariff.traffic_packages.rub, current_lang, i18n)
-    text = f"{tariff.name(current_lang)}\n{tariff.description(current_lang)}".strip()
+    markup = _tariff_purchase_markup(tariff, current_lang, i18n, settings)
+    text = _tariff_purchase_text(tariff, current_lang, i18n, settings)
     await callback.message.edit_text(text, reply_markup=markup)
     await callback.answer()
 
@@ -567,7 +592,7 @@ async def my_subscription_command_handler(
         )
     else:
         tariff_prefix = ""
-        if active.get("tariff_name"):
+        if _has_multiple_enabled_tariffs(settings) and active.get("tariff_name"):
             tariff_prefix = f"🎟 {active.get('tariff_name')}\n"
             if active.get("tariff_description"):
                 tariff_prefix += f"{active.get('tariff_description')}\n"
@@ -699,10 +724,11 @@ async def my_subscription_command_handler(
             ])
 
         if settings.tariffs_config and local_sub and local_sub.tariff_key:
-            prepend_rows.append([
-                InlineKeyboardButton(text="Сменить тариф", callback_data="tariff_change:list"),
-                InlineKeyboardButton(text="Докупить трафик", callback_data="tariff_topup:list"),
-            ])
+            tariff_actions = []
+            if _has_multiple_enabled_tariffs(settings):
+                tariff_actions.append(InlineKeyboardButton(text="Сменить тариф", callback_data="tariff_change:list"))
+            tariff_actions.append(InlineKeyboardButton(text="Докупить трафик", callback_data="tariff_topup:list"))
+            prepend_rows.append(tariff_actions)
 
         if prepend_rows:
             kb = prepend_rows + kb