diff --git a/src/main/java/com/adoonge/seedzip/seed/controller/SeedController.java b/src/main/java/com/adoonge/seedzip/seed/controller/SeedController.java
index 17fbc49..43f3d94 100644
--- a/src/main/java/com/adoonge/seedzip/seed/controller/SeedController.java
+++ b/src/main/java/com/adoonge/seedzip/seed/controller/SeedController.java
@@ -1,8 +1,8 @@
 package com.adoonge.seedzip.seed.controller;
 
-import com.adoonge.seedzip.seed.dto.request.SeedDeleteListRequest;
 import com.adoonge.seedzip.seed.dto.request.SeedFilteringRequest;
 import com.adoonge.seedzip.seed.dto.request.SeedUpdateRequest;
+import com.adoonge.seedzip.seed.dto.request.SeedUpdateRequestForApp;
 import com.adoonge.seedzip.seed.dto.response.SeedResponse.GetFilteredSeeds;
 import java.util.List;
 
@@ -29,6 +29,7 @@
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -255,6 +256,22 @@ public ApiResponse<SeedResponse.SeedInfoSimple> modifySeed(
         return new ApiResponse<>(seedInfoSimple);
     }
 
+    @PatchMapping("/app/{seedId}")
+    @Operation(summary = "앱용 씨드 수정 API", description = "앱용 씨드 내용을 수정하는 API입니다.")
+    @ApiResponses(value = {
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "성공적으로 업로드됨",
+                    content = @Content(mediaType = "application/json",
+                            schema = @Schema(implementation = SeedResponse.SeedInfoSimple.class))),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "500", description = "서버 오류")
+    })
+    public ApiResponse<SeedResponse.SeedInfoSimple> modifySeedForApp(
+            @PathVariable("seedId") Long seedId,
+            @RequestBody @Valid SeedUpdateRequestForApp request,
+            @AuthenticationPrincipal CustomUserDetails customUserDetails) {
+        Member member = customUserDetails.getMember();
+        return new ApiResponse<>(seedService.updateSeedForApp(request, seedId, member));
+    }
+
     @GetMapping(value = "/popular")
     @Operation(summary = "많이 찾는 씨드 조회", description = "많이 찾는 씨드 목록을 조회하는 API입니다."
         + "조회수가 3회 이상인 씨드 중 조회수가 높은순으로 30개를 반환합니다.")
diff --git a/src/main/java/com/adoonge/seedzip/seed/dto/request/SeedUpdateRequestForApp.java b/src/main/java/com/adoonge/seedzip/seed/dto/request/SeedUpdateRequestForApp.java
new file mode 100644
index 0000000..fb482aa
--- /dev/null
+++ b/src/main/java/com/adoonge/seedzip/seed/dto/request/SeedUpdateRequestForApp.java
@@ -0,0 +1,20 @@
+package com.adoonge.seedzip.seed.dto.request;
+
+import java.time.LocalDate;
+import com.adoonge.seedzip.seed.domain.SeedType;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
+
+/**
+ * 앱 전용 씨드 수정 요청 DTO
+ * - 파일(이미지, 링크)은 수정 불가
+ * - 제목/내용/태그/카테고리 등만 수정 가능
+ */
+public record SeedUpdateRequestForApp(
+        @NotNull SeedType seedType,
+        String seedName,                                  // 제목 (없으면 null)
+        @NotNull String[] categoryName,                   // 카테고리 (없으면 null)
+        @NotNull @Size(min = 2, message = "태그는 최소 2개 이상 입력해야 합니다.") String[] tagName,
+        LocalDate dDay,                                   // 없으면 null
+        String seedDetail                                 // 없으면 null
+) {}
diff --git a/src/main/java/com/adoonge/seedzip/seed/service/SeedService.java b/src/main/java/com/adoonge/seedzip/seed/service/SeedService.java
index 9ed847d..edc6b51 100644
--- a/src/main/java/com/adoonge/seedzip/seed/service/SeedService.java
+++ b/src/main/java/com/adoonge/seedzip/seed/service/SeedService.java
@@ -22,6 +22,7 @@
 import com.adoonge.seedzip.seed.dto.request.SeedFilteringRequest;
 import com.adoonge.seedzip.seed.dto.request.SeedRequest;
 import com.adoonge.seedzip.seed.dto.request.SeedUpdateRequest;
+import com.adoonge.seedzip.seed.dto.request.SeedUpdateRequestForApp;
 import com.adoonge.seedzip.seed.dto.response.SeedResponse;
 import com.adoonge.seedzip.seed.repository.CategorySeedRepository;
 import com.adoonge.seedzip.seed.repository.FileRepository;
@@ -418,6 +419,47 @@ public SeedResponse.SeedInfoSimple updateSeed(SeedUpdateRequest request,
 			.build();
 	}
 
+	@Transactional
+	public SeedResponse.SeedInfoSimple updateSeedForApp(SeedUpdateRequestForApp request,
+														Long seedId, Member member) {
+		Seed seed = getSeedOrThrow(seedId);
+
+		if (!seed.getMember().getId().equals(member.getId())) {
+			throw SeedzipException.from(ErrorCode.MEMBER_NOT_OWNER);
+		}
+
+		if (!request.seedType().equals(seed.getSeedType())) {
+			throw SeedzipException.from(ErrorCode.SEED_TYPE_NOT_SUPPORTED);
+		}
+
+		// 기본 필드 수정
+		if (!Objects.equals(seed.getSeedName(), request.seedName())) {
+			seed.updateSeedName(request.seedName());
+		}
+		if (!Objects.equals(seed.getDDay(), request.dDay())) {
+			seed.updateDDay(request.dDay());
+		}
+		if (!Objects.equals(seed.getSeedDetail(), request.seedDetail())) {
+			seed.updateSeedDetail(request.seedDetail());
+		}
+
+		// 태그, 카테고리 갱신
+		seedTagRepository.deleteAllBySeedId(seedId);
+		saveSeedTags(request.tagName(), member, seed);
+
+		categorySeedRepository.deleteAllBySeedId(seedId);
+		saveSeedCategories(request.categoryName(), member, seed);
+
+		// 🚫 파일 삭제나 링크 수정 없음
+
+		Seed updatedSeed = seedRepository.save(seed);
+		return SeedResponse.SeedInfoSimple.builder()
+				.seedId(updatedSeed.getId())
+				.seedName(updatedSeed.getSeedName())
+				.build();
+	}
+
+
 	//북마크된 씨드 조회
 	@Transactional
 	public SeedResponse.GetAllSeeds getBookmarkedSeeds(Member member, int page, int size, String sortBy, boolean isAsc,