diff --git a/CMakeLists.txt b/CMakeLists.txt
index 101f88b..37826ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,6 +139,7 @@ if(BUILD_SDL3_APP)
             src/services/impl/render_command_service.cpp
             src/services/impl/sdl_audio_service.cpp
             src/services/impl/crash_recovery_service.cpp
+            src/services/impl/gui_renderer_service.cpp
             src/services/impl/vulkan_gui_service.cpp
             src/services/impl/bullet_physics_service.cpp
             src/services/impl/scene_service.cpp
diff --git a/src/app/service_based_app.cpp b/src/app/service_based_app.cpp
index d13776a..79802ce 100644
--- a/src/app/service_based_app.cpp
+++ b/src/app/service_based_app.cpp
@@ -21,6 +21,7 @@
 #include "services/impl/physics_bridge_service.hpp"
 #include "services/impl/mesh_service.hpp"
 #include "services/impl/scene_service.hpp"
+#include "services/impl/gui_renderer_service.hpp"
 #include "services/impl/sdl_audio_service.hpp"
 #include "services/impl/vulkan_gui_service.hpp"
 #include "services/impl/bullet_physics_service.hpp"
@@ -280,10 +281,14 @@ void ServiceBasedApp::RegisterServices() {
         registry_.GetService<services::ILogger>());
 
     // GUI service
-    registry_.RegisterService<services::IGuiService, services::impl::VulkanGuiService>(
+    registry_.RegisterService<services::IGuiRendererService, services::impl::GuiRendererService>(
         registry_.GetService<services::ILogger>(),
         registry_.GetService<services::IBufferService>());
 
+    registry_.RegisterService<services::IGuiService, services::impl::VulkanGuiService>(
+        registry_.GetService<services::ILogger>(),
+        registry_.GetService<services::IGuiRendererService>());
+
     // Physics service
     registry_.RegisterService<services::IPhysicsService, services::impl::BulletPhysicsService>(
         registry_.GetService<services::ILogger>());
diff --git a/src/app/service_based_app.hpp b/src/app/service_based_app.hpp
index 8554d24..38e31b6 100644
--- a/src/app/service_based_app.hpp
+++ b/src/app/service_based_app.hpp
@@ -6,6 +6,7 @@
 #include "di/service_registry.hpp"
 #include "controllers/lifecycle_controller.hpp"
 #include "controllers/application_controller.hpp"
+#include "services/interfaces/i_application_service.hpp"
 #include "services/interfaces/i_logger.hpp"
 #include "services/interfaces/i_crash_recovery_service.hpp"
 
@@ -16,7 +17,7 @@ namespace sdl3cpp::app {
  *
  * Replaces the monolithic Sdl3App with a clean dependency injection architecture.
  */
-class ServiceBasedApp {
+class ServiceBasedApp : public services::IApplicationService {
 public:
     explicit ServiceBasedApp(const std::filesystem::path& scriptPath);
     ~ServiceBasedApp();
@@ -27,7 +28,7 @@ public:
     /**
      * @brief Run the application main loop.
      */
-    void Run();
+    void Run() override;
 
     /**
      * @brief Configure the logger service.
@@ -36,14 +37,14 @@ public:
      * @param enableConsole Whether to enable console output
      * @param outputFile Path to the log file (optional)
      */
-    void ConfigureLogging(services::LogLevel level, bool enableConsole, const std::string& outputFile = "");
+    void ConfigureLogging(services::LogLevel level, bool enableConsole, const std::string& outputFile = "") override;
 
     /**
      * @brief Get the logger service for external configuration.
      *
      * @return Shared pointer to the logger service
      */
-    std::shared_ptr<services::ILogger> GetLogger() const { return logger_; }
+    std::shared_ptr<services::ILogger> GetLogger() const override { return logger_; }
 
 private:
     void RegisterServices();
@@ -57,4 +58,4 @@ private:
     std::shared_ptr<services::ICrashRecoveryService> crashRecoveryService_;
 };
 
-}  // namespace sdl3cpp::app
\ No newline at end of file
+}  // namespace sdl3cpp::app
diff --git a/src/services/impl/gui_renderer_service.cpp b/src/services/impl/gui_renderer_service.cpp
new file mode 100644
index 0000000..75afd6d
--- /dev/null
+++ b/src/services/impl/gui_renderer_service.cpp
@@ -0,0 +1,68 @@
+#include "gui_renderer_service.hpp"
+
+#include <stdexcept>
+#include <utility>
+
+namespace sdl3cpp::services::impl {
+
+GuiRendererService::GuiRendererService(std::shared_ptr<ILogger> logger,
+                                       std::shared_ptr<IBufferService> bufferService)
+    : logger_(std::move(logger)),
+      bufferService_(std::move(bufferService)) {
+}
+
+void GuiRendererService::Initialize(VkDevice device,
+                                    VkPhysicalDevice physicalDevice,
+                                    VkFormat format,
+                                    const std::filesystem::path& resourcePath) {
+    if (logger_) {
+        logger_->TraceFunction(__func__);
+    }
+    renderer_ = std::make_unique<sdl3cpp::gui::GuiRenderer>(
+        device, physicalDevice, format, resourcePath, bufferService_);
+}
+
+void GuiRendererService::PrepareFrame(const std::vector<script::GuiCommand>& commands,
+                                      uint32_t width,
+                                      uint32_t height) {
+    if (logger_) {
+        logger_->TraceFunction(__func__);
+    }
+    if (!renderer_) {
+        throw std::runtime_error("GuiRenderer service not initialized");
+    }
+    renderer_->Prepare(commands, width, height);
+}
+
+void GuiRendererService::RenderToSwapchain(VkCommandBuffer commandBuffer, VkImage image) {
+    if (logger_) {
+        logger_->TraceFunction(__func__);
+    }
+    if (!renderer_) {
+        throw std::runtime_error("GuiRenderer service not initialized");
+    }
+    renderer_->BlitToSwapchain(commandBuffer, image);
+}
+
+void GuiRendererService::Resize(uint32_t width, uint32_t height, VkFormat format) {
+    if (logger_) {
+        logger_->TraceFunction(__func__);
+    }
+    if (!renderer_) {
+        return;
+    }
+    renderer_->Resize(width, height, format);
+}
+
+void GuiRendererService::Shutdown() noexcept {
+    if (logger_) {
+        logger_->TraceFunction(__func__);
+    }
+    renderer_.reset();
+}
+
+bool GuiRendererService::IsReady() const {
+    return renderer_ && renderer_->IsReady();
+}
+
+}  // namespace sdl3cpp::services::impl
diff --git a/src/services/impl/gui_renderer_service.hpp b/src/services/impl/gui_renderer_service.hpp
new file mode 100644
index 0000000..a1df583
--- /dev/null
+++ b/src/services/impl/gui_renderer_service.hpp
@@ -0,0 +1,41 @@
+#pragma once
+
+#include "../interfaces/i_buffer_service.hpp"
+#include "../interfaces/i_gui_renderer_service.hpp"
+#include "../interfaces/i_logger.hpp"
+#include "../../di/lifecycle.hpp"
+#include "../../gui/gui_renderer.hpp"
+#include <memory>
+
+namespace sdl3cpp::services::impl {
+
+class GuiRendererService : public IGuiRendererService, public di::IShutdownable {
+public:
+    GuiRendererService(std::shared_ptr<ILogger> logger,
+                       std::shared_ptr<IBufferService> bufferService);
+    ~GuiRendererService() override = default;
+
+    void Initialize(VkDevice device,
+                    VkPhysicalDevice physicalDevice,
+                    VkFormat format,
+                    const std::filesystem::path& resourcePath) override;
+
+    void PrepareFrame(const std::vector<script::GuiCommand>& commands,
+                      uint32_t width,
+                      uint32_t height) override;
+
+    void RenderToSwapchain(VkCommandBuffer commandBuffer, VkImage image) override;
+
+    void Resize(uint32_t width, uint32_t height, VkFormat format) override;
+
+    void Shutdown() noexcept override;
+
+    bool IsReady() const override;
+
+private:
+    std::shared_ptr<ILogger> logger_;
+    std::shared_ptr<IBufferService> bufferService_;
+    std::unique_ptr<sdl3cpp::gui::GuiRenderer> renderer_;
+};
+
+}  // namespace sdl3cpp::services::impl
diff --git a/src/services/impl/vulkan_gui_service.cpp b/src/services/impl/vulkan_gui_service.cpp
index 2b857ea..fa5fc7c 100644
--- a/src/services/impl/vulkan_gui_service.cpp
+++ b/src/services/impl/vulkan_gui_service.cpp
@@ -5,9 +5,9 @@
 namespace sdl3cpp::services::impl {
 
 VulkanGuiService::VulkanGuiService(std::shared_ptr<ILogger> logger,
-                                   std::shared_ptr<IBufferService> bufferService)
+                                   std::shared_ptr<IGuiRendererService> rendererService)
     : logger_(std::move(logger)),
-      bufferService_(std::move(bufferService)) {
+      rendererService_(std::move(rendererService)) {
 }
 
 VulkanGuiService::~VulkanGuiService() {
@@ -26,7 +26,10 @@ void VulkanGuiService::Initialize(VkDevice device,
         return;
     }
 
-    renderer_ = std::make_unique<gui::GuiRenderer>(device, physicalDevice, format, resourcePath, bufferService_);
+    if (!rendererService_) {
+        throw std::runtime_error("GUI renderer service not available");
+    }
+    rendererService_->Initialize(device, physicalDevice, format, resourcePath);
     initialized_ = true;
 
     logger_->Info("GUI service initialized");
@@ -37,32 +40,28 @@ void VulkanGuiService::PrepareFrame(const std::vector<GuiCommand>& commands,
                                    uint32_t height) {
     logger_->TraceFunction(__func__);
 
-    if (!renderer_) {
-        throw std::runtime_error("GUI service not initialized");
+    if (!rendererService_) {
+        throw std::runtime_error("GUI renderer service not available");
     }
-
-    // GuiRenderer doesn't have a PrepareFrame method in the current implementation
-    // Commands would be processed during RenderToSwapchain
+    rendererService_->PrepareFrame(commands, width, height);
 }
 
 void VulkanGuiService::RenderToSwapchain(VkCommandBuffer commandBuffer, VkImage image) {
     logger_->TraceFunction(__func__);
 
-    if (!renderer_) {
-        throw std::runtime_error("GUI service not initialized");
+    if (!rendererService_) {
+        throw std::runtime_error("GUI renderer service not available");
     }
 
-    renderer_->BlitToSwapchain(commandBuffer, image);
+    rendererService_->RenderToSwapchain(commandBuffer, image);
 }
 
 void VulkanGuiService::Resize(uint32_t width, uint32_t height, VkFormat format) {
     logger_->TraceFunction(__func__);
 
-    if (!renderer_) {
-        return;
+    if (rendererService_) {
+        rendererService_->Resize(width, height, format);
     }
-
-    renderer_->Resize(width, height, format);
 }
 
 void VulkanGuiService::Shutdown() noexcept {
@@ -72,7 +71,9 @@ void VulkanGuiService::Shutdown() noexcept {
         return;
     }
 
-    renderer_.reset();
+    if (rendererService_) {
+        rendererService_->Shutdown();
+    }
     initialized_ = false;
 
     logger_->Info("GUI service shutdown");
diff --git a/src/services/impl/vulkan_gui_service.hpp b/src/services/impl/vulkan_gui_service.hpp
index 8f894c2..c2d87ed 100644
--- a/src/services/impl/vulkan_gui_service.hpp
+++ b/src/services/impl/vulkan_gui_service.hpp
@@ -1,9 +1,8 @@
 #pragma once
 
 #include "../interfaces/i_gui_service.hpp"
-#include "../interfaces/i_buffer_service.hpp"
+#include "../interfaces/i_gui_renderer_service.hpp"
 #include "../interfaces/i_logger.hpp"
-#include "../../gui/gui_renderer.hpp"
 #include "../../di/lifecycle.hpp"
 #include <memory>
 
@@ -19,7 +18,7 @@ class VulkanGuiService : public IGuiService,
                          public di::IShutdownable {
 public:
     VulkanGuiService(std::shared_ptr<ILogger> logger,
-                     std::shared_ptr<IBufferService> bufferService);
+                     std::shared_ptr<IGuiRendererService> rendererService);
     ~VulkanGuiService() override;
 
     // IGuiService interface
@@ -40,8 +39,7 @@ public:
 
 private:
     std::shared_ptr<ILogger> logger_;
-    std::shared_ptr<IBufferService> bufferService_;
-    std::unique_ptr<gui::GuiRenderer> renderer_;
+    std::shared_ptr<IGuiRendererService> rendererService_;
     bool initialized_ = false;
 };
 
diff --git a/src/services/interfaces/i_application_service.hpp b/src/services/interfaces/i_application_service.hpp
new file mode 100644
index 0000000..469ce0c
--- /dev/null
+++ b/src/services/interfaces/i_application_service.hpp
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "i_logger.hpp"
+#include <memory>
+#include <string>
+
+namespace sdl3cpp::services {
+
+class IApplicationService {
+public:
+    virtual ~IApplicationService() = default;
+
+    virtual void Run() = 0;
+    virtual void ConfigureLogging(LogLevel level, bool enableConsole, const std::string& outputFile = "") = 0;
+    virtual std::shared_ptr<ILogger> GetLogger() const = 0;
+};
+
+}  // namespace sdl3cpp::services
diff --git a/src/services/interfaces/i_gui_renderer_service.hpp b/src/services/interfaces/i_gui_renderer_service.hpp
new file mode 100644
index 0000000..941e7d5
--- /dev/null
+++ b/src/services/interfaces/i_gui_renderer_service.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include "../../script/gui_types.hpp"
+#include <filesystem>
+#include <vector>
+#include <vulkan/vulkan.h>
+
+namespace sdl3cpp::services {
+
+class IGuiRendererService {
+public:
+    virtual ~IGuiRendererService() = default;
+
+    virtual void Initialize(VkDevice device,
+                            VkPhysicalDevice physicalDevice,
+                            VkFormat format,
+                            const std::filesystem::path& resourcePath) = 0;
+
+    virtual void PrepareFrame(const std::vector<script::GuiCommand>& commands,
+                              uint32_t width,
+                              uint32_t height) = 0;
+
+    virtual void RenderToSwapchain(VkCommandBuffer commandBuffer, VkImage image) = 0;
+
+    virtual void Resize(uint32_t width, uint32_t height, VkFormat format) = 0;
+
+    virtual void Shutdown() noexcept = 0;
+
+    virtual bool IsReady() const = 0;
+};
+
+}  // namespace sdl3cpp::services