diff --git a/app/Http/Controllers/Sales/DemoTenantController.php b/app/Http/Controllers/Sales/DemoTenantController.php
index 8d6f0c65..56226b65 100644
--- a/app/Http/Controllers/Sales/DemoTenantController.php
+++ b/app/Http/Controllers/Sales/DemoTenantController.php
@@ -150,7 +150,7 @@ public function store(Request $request)
             'promo_dev_amount' => 'nullable|integer|min:0|max:5000000',
             'promo_dev_waive' => 'nullable|in:0,1',
             'promo_sub_percent' => 'nullable|integer|min:0|max:50',
-            'promo_free_months' => 'nullable|integer|in:0,1,2,3,6',
+            'promo_free_trial' => 'nullable|in:0,1',
             'promo_note' => 'nullable|string|max:200',
         ]);
 
@@ -173,7 +173,7 @@ public function store(Request $request)
                 'dev_discount_amount' => (int) $request->input('promo_dev_amount', 0),
                 'dev_waive' => $request->input('promo_dev_waive') === '1',
                 'sub_discount_percent' => (int) $request->input('promo_sub_percent', 0),
-                'free_months' => (int) $request->input('promo_free_months', 0),
+                'free_trial' => $request->input('promo_free_trial') === '1',
                 'note' => $request->input('promo_note', ''),
                 'applied_at' => now()->toDateTimeString(),
                 'applied_by_user_id' => auth()->id(),
diff --git a/app/Http/Controllers/Sales/SalesContractController.php b/app/Http/Controllers/Sales/SalesContractController.php
index 92115ba0..5892ee99 100644
--- a/app/Http/Controllers/Sales/SalesContractController.php
+++ b/app/Http/Controllers/Sales/SalesContractController.php
@@ -35,7 +35,7 @@ public function saveProducts(Request $request): JsonResponse
             'promotion.dev_discount_amount' => 'nullable|numeric|min:0',
             'promotion.dev_waive' => 'nullable|boolean',
             'promotion.sub_discount_percent' => 'nullable|numeric|min:0|max:50',
-            'promotion.free_months' => 'nullable|integer|in:0,1,2,3,6',
+            'promotion.free_trial' => 'nullable|boolean',
             'promotion.note' => 'nullable|string|max:200',
         ]);
 
diff --git a/resources/views/sales/demo-tenants/partials/create-modal.blade.php b/resources/views/sales/demo-tenants/partials/create-modal.blade.php
index e7bab12d..ebacdcd1 100644
--- a/resources/views/sales/demo-tenants/partials/create-modal.blade.php
+++ b/resources/views/sales/demo-tenants/partials/create-modal.blade.php
@@ -9,7 +9,7 @@
     promoDevAmount: 0,
     promoDevWaive: false,
     promoSubPercent: 0,
-    promoFreeMonths: 0,
+    promoFreeTrial: false,
     promoNote: '',
 
     // 개발비 할인 최대값
@@ -35,7 +35,7 @@
             parts.push('개발비 ' + Number(this.promoDevAmount).toLocaleString() + '원 할인');
         }
         if (this.promoSubPercent > 0) parts.push('구독료 ' + this.promoSubPercent + '% 할인');
-        if (this.promoFreeMonths > 0) parts.push('무료 ' + this.promoFreeMonths + '개월');
+        if (this.promoFreeTrial) parts.push('무료 체험 1주일');
         return parts.length ? parts.join(' / ') : '없음';
     },
 
@@ -55,7 +55,7 @@
 
     // 프로모션 적용 여부
     get hasPromo() {
-        return this.promoDevWaive || this.promoDevPercent > 0 || this.promoDevAmount > 0 || this.promoSubPercent > 0 || this.promoFreeMonths > 0;
+        return this.promoDevWaive || this.promoDevPercent > 0 || this.promoDevAmount > 0 || this.promoSubPercent > 0 || this.promoFreeTrial;
     }
 }">
     <div class="fixed inset-0 bg-black bg-opacity-50 transition-opacity" onclick="closeModal()"></div>
@@ -217,17 +217,20 @@ class="flex-1 h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer accent-e
                         </div>
                     </div>
 
-                    <!-- 무료 기간 -->
+                    <!-- 무료 체험 (1주일) -->
                     <div class="bg-gray-50 rounded-lg p-4 space-y-2">
-                        <h4 class="text-sm font-semibold text-gray-700">무료 사용 기간</h4>
+                        <h4 class="text-sm font-semibold text-gray-700">무료 체험 (1주일)</h4>
                         <div class="flex gap-2">
-                            <template x-for="m in [0, 1, 2, 3, 6]" :key="m">
-                                <button type="button" @click="promoFreeMonths = m"
-                                    :class="promoFreeMonths === m ? 'bg-violet-600 text-white' : 'bg-white text-gray-600 border border-gray-300'"
-                                    class="px-3 py-1.5 rounded-lg text-xs font-medium transition">
-                                    <span x-text="m === 0 ? '없음' : m + '개월'"></span>
-                                </button>
-                            </template>
+                            <button type="button" @click="promoFreeTrial = false"
+                                :class="!promoFreeTrial ? 'bg-violet-600 text-white' : 'bg-white text-gray-600 border border-gray-300'"
+                                class="px-3 py-1.5 rounded-lg text-xs font-medium transition">
+                                없음
+                            </button>
+                            <button type="button" @click="promoFreeTrial = true"
+                                :class="promoFreeTrial ? 'bg-violet-600 text-white' : 'bg-white text-gray-600 border border-gray-300'"
+                                class="px-3 py-1.5 rounded-lg text-xs font-medium transition">
+                                1주일 (7일)
+                            </button>
                         </div>
                     </div>
 
@@ -258,7 +261,7 @@ class="w-full px-3 py-1.5 border border-gray-300 rounded-lg text-sm focus:ring-2
                         <input type="hidden" name="promo_dev_amount" :value="promoDevAmount">
                         <input type="hidden" name="promo_dev_waive" :value="promoDevWaive ? '1' : '0'">
                         <input type="hidden" name="promo_sub_percent" :value="promoSubPercent">
-                        <input type="hidden" name="promo_free_months" :value="promoFreeMonths">
+                        <input type="hidden" name="promo_free_trial" :value="promoFreeTrial ? '1' : '0'">
                         <input type="hidden" name="promo_note" :value="promoNote">
                     </div>
                 </template>
diff --git a/resources/views/sales/demo-tenants/partials/show-modal.blade.php b/resources/views/sales/demo-tenants/partials/show-modal.blade.php
index f87a43c0..b0aa9df4 100644
--- a/resources/views/sales/demo-tenants/partials/show-modal.blade.php
+++ b/resources/views/sales/demo-tenants/partials/show-modal.blade.php
@@ -122,11 +122,11 @@
                                 {{ ($promo['sub_discount_percent'] ?? 0) > 0 ? $promo['sub_discount_percent'] . '%' : '없음' }}
                             </span>
                         </div>
-                        {{-- 무료 기간 --}}
+                        {{-- 무료 체험 --}}
                         <div class="flex justify-between bg-white rounded px-3 py-2">
-                            <span class="text-sm text-gray-600">무료 사용 기간</span>
-                            <span class="text-sm font-bold {{ ($promo['free_months'] ?? 0) > 0 ? 'text-violet-700' : 'text-gray-400' }}">
-                                {{ ($promo['free_months'] ?? 0) > 0 ? $promo['free_months'] . '개월' : '없음' }}
+                            <span class="text-sm text-gray-600">무료 체험</span>
+                            <span class="text-sm font-bold {{ !empty($promo['free_trial']) ? 'text-violet-700' : 'text-gray-400' }}">
+                                {{ !empty($promo['free_trial']) ? '1주일(7일)' : '없음' }}
                             </span>
                         </div>
                         {{-- 메모 --}}
diff --git a/resources/views/sales/modals/partials/product-selection.blade.php b/resources/views/sales/modals/partials/product-selection.blade.php
index 30306f09..20f9bfd3 100644
--- a/resources/views/sales/modals/partials/product-selection.blade.php
+++ b/resources/views/sales/modals/partials/product-selection.blade.php
@@ -490,7 +490,7 @@ function productSelection() {
         promoDevAmount: {{ $savedPromotion['dev_discount_amount'] ?? 0 }},
         promoDevWaive: {{ !empty($savedPromotion['dev_waive']) ? 'true' : 'false' }},
         promoSubPercent: {{ $savedPromotion['sub_discount_percent'] ?? 0 }},
-        promoFreeMonths: {{ $savedPromotion['free_months'] ?? 0 }},
+        promoFreeTrial: {{ !empty($savedPromotion['free_trial']) ? 'true' : 'false' }},
         promoNote: '{{ addslashes($savedPromotion['note'] ?? '') }}',
 
         isSelected(id) {
@@ -713,7 +713,7 @@ function productSelection() {
                             dev_discount_amount: this.promoDevAmount,
                             dev_waive: this.promoDevWaive,
                             sub_discount_percent: this.promoSubPercent,
-                            free_months: this.promoFreeMonths,
+                            free_trial: this.promoFreeTrial,
                             note: this.promoNote,
                         };
                     }
diff --git a/resources/views/sales/price-simulator/index.blade.php b/resources/views/sales/price-simulator/index.blade.php
index d36930ec..087b56c4 100644
--- a/resources/views/sales/price-simulator/index.blade.php
+++ b/resources/views/sales/price-simulator/index.blade.php
@@ -620,13 +620,13 @@ class="inline-flex items-center gap-2 px-4 py-2 text-sm font-medium text-gray-70
                 <div class="bg-white rounded-xl p-5 border border-gray-100">
                     <h3 class="font-bold text-gray-900 mb-3">3. 무료 체험 기간</h3>
                     <p class="text-sm text-gray-700 leading-relaxed mb-2">
-                        서비스 시작 후 <strong>처음 몇 개월간 구독료를 면제</strong>해 줄 수 있습니다.
+                        서비스 시작 후 <strong>첫 1주일(7일) 구독료를 면제</strong>해 줄 수 있습니다.
                     </p>
                     <div class="bg-gray-50 rounded-lg p-4 text-sm space-y-2">
-                        <p class="text-gray-600">예: 3개월 무료 체험 설정 시</p>
-                        <p class="text-gray-600">→ 1~3월: 구독료 0원 / 4~12월: 구독료 정상 부과</p>
-                        <p class="text-gray-600">→ 1년차 총 비용 = 개발비 + <strong>9개월</strong> 구독료</p>
-                        <p class="text-gray-500 text-xs mt-1">선택 가능: 없음, 1개월, 2개월, 3개월, 6개월</p>
+                        <p class="text-gray-600">예: 무료 체험 적용 시</p>
+                        <p class="text-gray-600">→ 첫 7일: 구독료 0원 / 8일째부터: 구독료 정상 부과</p>
+                        <p class="text-gray-600">→ 1년차 총 비용 = 개발비 + 약 <strong>11.75개월</strong> 구독료</p>
+                        <p class="text-gray-500 text-xs mt-1">선택 가능: 없음, 1주일(7일)</p>
                     </div>
                 </div>
 
@@ -977,22 +977,27 @@ class="w-full h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer accent-o
                         </template>
                     </div>
 
-                    {{-- 무료 체험 기간 --}}
+                    {{-- 무료 체험 기간 (1주일 고정) --}}
                     <div class="border-t border-gray-100 pt-4">
-                        <label class="block text-sm font-medium text-gray-700 mb-2">무료 체험 기간</label>
+                        <label class="block text-sm font-medium text-gray-700 mb-2">무료 체험 (1주일)</label>
                         <div class="flex gap-2 flex-wrap">
-                            <template x-for="m in [0, 1, 2, 3, 6]" :key="m">
-                                <button type="button" x-on:click="promoFreeMonths = m"
-                                        class="px-3 py-1.5 text-xs rounded-lg transition-colors border"
-                                        :class="promoFreeMonths === m
-                                            ? 'bg-orange-500 text-white border-orange-500'
-                                            : 'bg-white text-gray-600 border-gray-200 hover:border-orange-300'">
-                                    <span x-text="m === 0 ? '없음' : m + '개월'"></span>
-                                </button>
-                            </template>
+                            <button type="button" x-on:click="promoFreeTrial = false"
+                                    class="px-3 py-1.5 text-xs rounded-lg transition-colors border"
+                                    :class="!promoFreeTrial
+                                        ? 'bg-orange-500 text-white border-orange-500'
+                                        : 'bg-white text-gray-600 border-gray-200 hover:border-orange-300'">
+                                없음
+                            </button>
+                            <button type="button" x-on:click="promoFreeTrial = true"
+                                    class="px-3 py-1.5 text-xs rounded-lg transition-colors border"
+                                    :class="promoFreeTrial
+                                        ? 'bg-orange-500 text-white border-orange-500'
+                                        : 'bg-white text-gray-600 border-gray-200 hover:border-orange-300'">
+                                1주일 (7일)
+                            </button>
                         </div>
-                        <p class="text-xs text-gray-400 mt-1" x-show="promoFreeMonths > 0">
-                            첫 <span x-text="promoFreeMonths"></span>개월 구독료가 면제됩니다
+                        <p class="text-xs text-gray-400 mt-1" x-show="promoFreeTrial">
+                            첫 7일간 구독료가 면제됩니다
                         </p>
                     </div>
 
@@ -1098,9 +1103,9 @@ class="w-full py-2 text-xs text-gray-500 bg-gray-50 hover:bg-gray-100 rounded-lg
                             <span class="font-semibold text-gray-900" x-text="formatCurrency(finalSubscriptionFee()) + '/월'"></span>
                         </div>
                         {{-- 무료 체험 기간 안내 --}}
-                        <div class="flex justify-between items-center text-xs" x-show="promoFreeMonths > 0">
+                        <div class="flex justify-between items-center text-xs" x-show="promoFreeTrial">
                             <span class="text-orange-500">무료 체험</span>
-                            <span class="text-orange-600 font-medium" x-text="'첫 ' + promoFreeMonths + '개월 무료'"></span>
+                            <span class="text-orange-600 font-medium">첫 1주일(7일) 무료</span>
                         </div>
                         {{-- 연 구독료 --}}
                         <div class="flex justify-between items-center text-sm">
@@ -1116,9 +1121,9 @@ class="w-full py-2 text-xs text-gray-500 bg-gray-50 hover:bg-gray-100 rounded-lg
                             <span class="font-bold text-xl text-emerald-700" x-text="formatCurrency(totalFirstYearCost())"></span>
                         </div>
                         <p class="text-xs text-gray-400 text-right mt-1">
-                            개발비 + <span x-text="12 - promoFreeMonths"></span>개월 구독료 (VAT 별도)
-                            <template x-if="promoFreeMonths > 0">
-                                <span class="text-orange-500"> | <span x-text="promoFreeMonths"></span>개월 무료 적용</span>
+                            개발비 + 12개월 구독료 (VAT 별도)
+                            <template x-if="promoFreeTrial">
+                                <span class="text-orange-500"> | 1주일 무료 체험 적용</span>
                             </template>
                         </p>
                         {{-- 프로모션 미적용 대비 절감액 --}}
@@ -1289,7 +1294,7 @@ function buildRequiredSelected(catId) {
         promoRegistrationAmount: 0,
         promoWaiveRegistration: false,
         promoSubscriptionPercent: 0,
-        promoFreeMonths: 0,
+        promoFreeTrial: false,
         promoNote: '',
 
         // --- 카테고리 선택 (상호 배타) ---
@@ -1418,7 +1423,7 @@ function buildRequiredSelected(catId) {
             return this.promoWaiveRegistration
                 || this.promoRegistrationAmount > 0
                 || this.promoSubscriptionPercent > 0
-                || this.promoFreeMonths > 0;
+                || this.promoFreeTrial;
         },
 
         promoDevDiscountMax() {
@@ -1481,8 +1486,12 @@ function buildRequiredSelected(catId) {
         },
 
         annualSubscriptionFee() {
-            const paidMonths = 12 - this.promoFreeMonths;
-            return this.finalSubscriptionFee() * paidMonths;
+            const annual = this.finalSubscriptionFee() * 12;
+            if (this.promoFreeTrial) {
+                // 1주일(7일) 무료: 월 구독료의 7/30 차감
+                return Math.round(annual - this.finalSubscriptionFee() * 7 / 30);
+            }
+            return annual;
         },
 
         totalFirstYearCost() {
@@ -1521,7 +1530,7 @@ function buildRequiredSelected(catId) {
             this.promoRegistrationAmount = 0;
             this.promoWaiveRegistration = false;
             this.promoSubscriptionPercent = 0;
-            this.promoFreeMonths = 0;
+            this.promoFreeTrial = false;
             this.promoNote = '';
         },