diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index 492c5e66..7b71a160 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -361,6 +361,14 @@
     <string name="creator_channel_community_error_message">Could not load community.</string>
     <string name="creator_channel_community_retry_button">Retry</string>
     <string name="creator_channel_community_notice">Notice</string>
+    <string name="creator_channel_community_detail_title">Community</string>
+    <string name="creator_channel_community_reply_title">Replies</string>
+    <string name="creator_channel_community_comment_placeholder">Enter a comment</string>
+    <string name="creator_channel_community_reply_placeholder">Enter a reply</string>
+    <string name="creator_channel_community_comment_header">Comments %1$s</string>
+    <string name="creator_channel_community_comment_unavailable">Comments are unavailable for this post.</string>
+    <string name="creator_channel_community_invalid_post">Could not load the post.</string>
+    <string name="creator_channel_community_purchased_badge">Purchased</string>
     <string name="creator_channel_fantalk_summary">%1$s · Total %2$d</string>
     <string name="creator_channel_fantalk_empty_title">Be the first\nto cheer them on!</string>
     <string name="creator_channel_fantalk_support_action">Leave support</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 6dd9ef24..7b3bcbbf 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -361,6 +361,14 @@
     <string name="creator_channel_community_error_message">コミュニティを読み込めませんでした。</string>
     <string name="creator_channel_community_retry_button">再試行</string>
     <string name="creator_channel_community_notice">お知らせ</string>
+    <string name="creator_channel_community_detail_title">コミュニティ</string>
+    <string name="creator_channel_community_reply_title">返信</string>
+    <string name="creator_channel_community_comment_placeholder">コメントを入力してください</string>
+    <string name="creator_channel_community_reply_placeholder">返信を入力してください</string>
+    <string name="creator_channel_community_comment_header">コメント %1$s</string>
+    <string name="creator_channel_community_comment_unavailable">この投稿ではコメントを利用できません。</string>
+    <string name="creator_channel_community_invalid_post">投稿を読み込めません。</string>
+    <string name="creator_channel_community_purchased_badge">購入済み</string>
     <string name="creator_channel_fantalk_summary">%1$s · 全体 %2$d</string>
     <string name="creator_channel_fantalk_empty_title">最初の応援を\n待っています！</string>
     <string name="creator_channel_fantalk_support_action">応援を残す</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 00c0e742..5e73da2e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -360,6 +360,14 @@
     <string name="creator_channel_community_error_message">커뮤니티를 불러오지 못했습니다.</string>
     <string name="creator_channel_community_retry_button">다시 시도</string>
     <string name="creator_channel_community_notice">공지</string>
+    <string name="creator_channel_community_detail_title">커뮤니티</string>
+    <string name="creator_channel_community_reply_title">답글</string>
+    <string name="creator_channel_community_comment_placeholder">댓글을 입력하세요</string>
+    <string name="creator_channel_community_reply_placeholder">답글을 입력하세요</string>
+    <string name="creator_channel_community_comment_header">댓글 %1$s</string>
+    <string name="creator_channel_community_comment_unavailable">댓글을 사용할 수 없는 게시물입니다.</string>
+    <string name="creator_channel_community_invalid_post">게시물을 불러올 수 없습니다.</string>
+    <string name="creator_channel_community_purchased_badge">구매 완료</string>
     <string name="creator_channel_fantalk_summary">%1$s · 전체 %2$d</string>
     <string name="creator_channel_fantalk_empty_title">당신의 첫 응원을\n기다리고 있어요!</string>
     <string name="creator_channel_fantalk_support_action">응원 남기기</string>
diff --git a/app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/community/CreatorChannelCommunityDetailReplyUiContractTest.kt b/app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/community/CreatorChannelCommunityDetailReplyUiContractTest.kt
new file mode 100644
index 00000000..0d4185c4
--- /dev/null
+++ b/app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/community/CreatorChannelCommunityDetailReplyUiContractTest.kt
@@ -0,0 +1,109 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.community
+
+import android.app.Application
+import android.view.LayoutInflater
+import android.view.View
+import android.widget.EditText
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import androidx.test.core.app.ApplicationProvider
+import kr.co.vividnext.sodalive.R
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import java.io.File
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [28], application = Application::class)
+class CreatorChannelCommunityDetailReplyUiContractTest {
+
+    @Test
+    fun `상세와 답글 activity layout은 title back content input bar 계약을 제공한다`() {
+        val detail = inflateView(R.layout.activity_creator_channel_community_detail)
+        val reply = inflateView(R.layout.activity_creator_channel_community_reply)
+
+        assertNotNull(detail.findViewById<ImageButton>(R.id.btn_creator_channel_community_detail_back))
+        assertNotNull(detail.findViewById<TextView>(R.id.tv_creator_channel_community_detail_title))
+        assertNotNull(detail.findViewById<TextView>(R.id.tv_creator_channel_community_detail_comment_header))
+        assertNotNull(detail.findViewById<RecyclerView>(R.id.rv_creator_channel_community_detail_comments))
+        assertNotNull(detail.findViewById<View>(R.id.layout_creator_channel_community_detail_paywall))
+        assertNotNull(detail.findViewById<TextView>(R.id.tv_creator_channel_community_detail_paywall_price))
+        assertNotNull(detail.findViewById<View>(R.id.layout_creator_channel_community_detail_input_bar))
+        assertNotNull(detail.findViewById<EditText>(R.id.et_creator_channel_community_detail_comment))
+        assertNotNull(detail.findViewById<ImageButton>(R.id.btn_creator_channel_community_detail_send))
+        assertRemovedId("tv_creator_channel_community_detail_comment_unavailable")
+
+        assertNotNull(reply.findViewById<ImageButton>(R.id.btn_creator_channel_community_reply_back))
+        assertNotNull(reply.findViewById<TextView>(R.id.tv_creator_channel_community_reply_title))
+        assertNotNull(reply.findViewById<RecyclerView>(R.id.rv_creator_channel_community_reply))
+        assertNotNull(reply.findViewById<View>(R.id.layout_creator_channel_community_reply_input_bar))
+        assertNotNull(reply.findViewById<EditText>(R.id.et_creator_channel_community_reply))
+        assertNotNull(reply.findViewById<ImageButton>(R.id.btn_creator_channel_community_reply_send))
+    }
+
+    @Test
+    fun `상세와 답글 item layout은 more latest reply만 제공하고 reaction row를 제거한다`() {
+        val commentItem = inflateView(R.layout.item_creator_channel_community_comment)
+        val replyItem = inflateView(R.layout.item_creator_channel_community_reply)
+
+        assertNotNull(commentItem.findViewById<ImageView>(R.id.iv_creator_channel_community_comment_more))
+        assertNotNull(commentItem.findViewById<View>(R.id.layout_creator_channel_community_comment_latest_reply))
+        assertNotNull(commentItem.findViewById<TextView>(R.id.tv_creator_channel_community_comment_latest_reply_body))
+        assertRemovedId("iv_creator_channel_community_comment_heart")
+        assertRemovedId("layout_creator_channel_community_comment_reaction")
+
+        assertNotNull(replyItem.findViewById<ImageView>(R.id.iv_creator_channel_community_reply_item_more))
+        assertRemovedId("iv_creator_channel_community_reply_item_heart")
+    }
+
+    @Test
+    fun `커뮤니티 상세 답글 문자열은 한국어 영어 일본어에 존재한다`() {
+        listOf("values", "values-en", "values-ja").forEach { valuesDir ->
+            val strings = projectFile("app/src/main/res/$valuesDir/strings.xml").readText()
+
+            assertTrue(strings.contains("name=\"creator_channel_community_detail_title\""))
+            assertTrue(strings.contains("name=\"creator_channel_community_reply_title\""))
+            assertTrue(strings.contains("name=\"creator_channel_community_comment_placeholder\""))
+            assertTrue(strings.contains("name=\"creator_channel_community_reply_placeholder\""))
+            assertTrue(strings.contains("name=\"creator_channel_community_comment_header\""))
+            assertTrue(strings.contains("name=\"creator_channel_community_comment_unavailable\""))
+            assertTrue(strings.contains("name=\"creator_channel_community_invalid_post\""))
+        }
+    }
+
+    @Test
+    fun `AppDI와 manifest는 상세 답글 Activity ViewModel을 등록한다`() {
+        val appDi = projectFile("app/src/main/java/kr/co/vividnext/sodalive/di/AppDI.kt").readText()
+        val manifest = projectFile("app/src/main/AndroidManifest.xml").readText()
+
+        assertTrue(appDi.contains("CreatorChannelCommunityDetailViewModel"))
+        assertTrue(appDi.contains("CreatorChannelCommunityReplyViewModel"))
+        assertTrue(manifest.contains(".v2.creator.channel.community.detail.CreatorChannelCommunityDetailActivity"))
+        assertTrue(manifest.contains(".v2.creator.channel.community.detail.reply.CreatorChannelCommunityReplyActivity"))
+        assertTrue(manifest.contains("android:windowSoftInputMode=\"stateAlwaysHidden|adjustResize\""))
+    }
+
+    private fun inflateView(layoutId: Int): View {
+        val context = ApplicationProvider.getApplicationContext<Application>()
+        return LayoutInflater.from(context).inflate(layoutId, null, false)
+    }
+
+    private fun assertRemovedId(name: String) {
+        val context = ApplicationProvider.getApplicationContext<Application>()
+        assertEquals(0, context.resources.getIdentifier(name, "id", context.packageName))
+    }
+
+    private fun projectFile(path: String): File {
+        var current = File(checkNotNull(System.getProperty("user.dir"))).absoluteFile
+        while (current.parentFile != null && !File(current, "settings.gradle").exists()) {
+            current = checkNotNull(current.parentFile)
+        }
+        return File(current, path)
+    }
+}