diff --git a/FirebaseAppCheck/Sources/Core/FIRAppCheck.m b/FirebaseAppCheck/Sources/Core/FIRAppCheck.m
index 1cf6aa30d24..f1ccdab2b6d 100644
--- a/FirebaseAppCheck/Sources/Core/FIRAppCheck.m
+++ b/FirebaseAppCheck/Sources/Core/FIRAppCheck.m
@@ -65,6 +65,9 @@ @implementation FIRAppCheck
 #pragma mark - Internal
 
 - (nullable instancetype)initWithApp:(FIRApp *)app {
+  // Set the App Check Core logging level to the current equivalent Firebase logging level.
+  GACAppCheckLogger.logLevel = FIRGetGACAppCheckLogLevel();
+
   id<FIRAppCheckProviderFactory> providerFactory = [FIRAppCheck providerFactory];
 
   if (providerFactory == nil) {
diff --git a/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.h b/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.h
index 62e02f06af6..3f2fce59da5 100644
--- a/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.h
+++ b/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.h
@@ -16,6 +16,8 @@
 
 #import <Foundation/Foundation.h>
 
+#import <AppCheckCore/AppCheckCore.h>
+
 #import "FirebaseCore/Extension/FirebaseCoreInternal.h"
 
 extern FIRLoggerService kFIRLoggerAppCheck;
@@ -34,3 +36,5 @@ FOUNDATION_EXPORT NSString *const kFIRLoggerAppCheckMessageCodeDebugToken;
 FOUNDATION_EXPORT NSString *const kFIRLoggerAppCheckMessageDeviceCheckProviderIncompleteFIROptions;
 
 void FIRAppCheckDebugLog(NSString *messageCode, NSString *message, ...);
+
+GACAppCheckLogLevel FIRGetGACAppCheckLogLevel(void);
diff --git a/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.m b/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.m
index a2d345927be..3c001b22326 100644
--- a/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.m
+++ b/FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.m
@@ -16,8 +16,6 @@
 
 #import "FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.h"
 
-#import <AppCheckCore/AppCheckCore.h>
-
 #import "FirebaseCore/Extension/FirebaseCoreInternal.h"
 
 NS_ASSUME_NONNULL_BEGIN
@@ -38,6 +36,7 @@
 NSString *const kFIRLoggerAppCheckMessageDeviceCheckProviderIncompleteFIROptions = @"I-FAA006001";
 
 #pragma mark - Log functions
+
 void FIRAppCheckDebugLog(NSString *messageCode, NSString *message, ...) {
   va_list args_ptr;
   va_start(args_ptr, message);
@@ -45,4 +44,21 @@ void FIRAppCheckDebugLog(NSString *messageCode, NSString *message, ...) {
   va_end(args_ptr);
 }
 
+#pragma mark - Helper functions
+
+GACAppCheckLogLevel FIRGetGACAppCheckLogLevel(void) {
+  FIRLoggerLevel loggerLevel = FIRGetLoggerLevel();
+  switch (loggerLevel) {
+    case FIRLoggerLevelError:
+      return GACAppCheckLogLevelError;
+    case FIRLoggerLevelWarning:
+    case FIRLoggerLevelNotice:
+      return GACAppCheckLogLevelWarning;
+    case FIRLoggerLevelInfo:
+      return GACAppCheckLogLevelInfo;
+    case FIRLoggerLevelDebug:
+      return GACAppCheckLogLevelDebug;
+  }
+}
+
 NS_ASSUME_NONNULL_END
diff --git a/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckLoggerTests.m b/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckLoggerTests.m
new file mode 100644
index 00000000000..e1f72fc5c2b
--- /dev/null
+++ b/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckLoggerTests.m
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <XCTest/XCTest.h>
+
+#import "FirebaseAppCheck/Sources/Core/FIRAppCheckLogger.h"
+
+#import <AppCheckCore/AppCheckCore.h>
+
+@interface FIRAppCheckLoggerTests : XCTestCase
+@end
+
+@implementation FIRAppCheckLoggerTests
+
+- (void)testGetGACAppCheckLogLevel_Error {
+  FIRSetLoggerLevel(FIRLoggerLevelError);
+
+  GACAppCheckLogLevel logLevel = FIRGetGACAppCheckLogLevel();
+
+  XCTAssertEqual(logLevel, GACAppCheckLogLevelError);
+}
+
+- (void)testGetGACAppCheckLogLevel_Warning {
+  FIRSetLoggerLevel(FIRLoggerLevelWarning);
+
+  GACAppCheckLogLevel logLevel = FIRGetGACAppCheckLogLevel();
+
+  XCTAssertEqual(logLevel, GACAppCheckLogLevelWarning);
+}
+
+- (void)testGetGACAppCheckLogLevel_Notice {
+  FIRSetLoggerLevel(FIRLoggerLevelNotice);
+
+  GACAppCheckLogLevel logLevel = FIRGetGACAppCheckLogLevel();
+
+  XCTAssertEqual(logLevel, GACAppCheckLogLevelWarning);
+}
+
+- (void)testGetGACAppCheckLogLevel_Info {
+  FIRSetLoggerLevel(FIRLoggerLevelInfo);
+
+  GACAppCheckLogLevel logLevel = FIRGetGACAppCheckLogLevel();
+
+  XCTAssertEqual(logLevel, GACAppCheckLogLevelInfo);
+}
+
+- (void)testGetGACAppCheckLogLevel_Debug {
+  FIRSetLoggerLevel(FIRLoggerLevelDebug);
+
+  GACAppCheckLogLevel logLevel = FIRGetGACAppCheckLogLevel();
+
+  XCTAssertEqual(logLevel, GACAppCheckLogLevelDebug);
+}
+
+@end
diff --git a/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckTests.m b/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckTests.m
index 87346d5aa9e..3b80258f078 100644
--- a/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckTests.m
+++ b/FirebaseAppCheck/Tests/Unit/Core/FIRAppCheckTests.m
@@ -37,6 +37,8 @@
 // The FAC token value returned when an error occurs.
 static NSString *const kDummyToken = @"eyJlcnJvciI6IlVOS05PV05fRVJST1IifQ==";
 
+extern void FIRResetLogger(void);
+
 @interface FIRAppCheck (Tests) <FIRAppCheckInterop, GACAppCheckTokenDelegate>
 - (instancetype)initWithAppName:(NSString *)appName
                    appCheckCore:(GACAppCheck *)appCheckCore
@@ -67,6 +69,8 @@ @implementation FIRAppCheckTests
 - (void)setUp {
   [super setUp];
 
+  FIRResetLogger();
+
   self.appName = @"FIRAppCheckTests";
   self.mockAppCheckProvider = OCMStrictProtocolMock(@protocol(FIRAppCheckProvider));
   self.mockSettings = OCMStrictClassMock([FIRAppCheckSettings class]);
@@ -112,13 +116,19 @@ - (void)testInitWithApp {
 
   [FIRAppCheck setAppCheckProviderFactory:mockProviderFactory];
 
-  // 3. Call init.
+  // 3. Set the Firebase logging level to Debug.
+  FIRSetLoggerLevel(FIRLoggerLevelDebug);
+
+  // 4. Call init.
   FIRAppCheck *appCheck = [[FIRAppCheck alloc] initWithApp:app];
   XCTAssert([appCheck isKindOfClass:[FIRAppCheck class]]);
 
-  // 4. Verify mocks.
+  // 5. Verify mocks.
   OCMVerifyAll(mockProviderFactory);
   OCMVerifyAll(mockProvider);
+
+  // 6. Verify that the App Check Core logging level is also Debug.
+  XCTAssertEqual(GACAppCheckLogger.logLevel, GACAppCheckLogLevelDebug);
 }
 
 - (void)testAppCheckInstanceForApp {
@@ -134,6 +144,9 @@ - (void)testAppCheckInstanceForApp {
   XCTAssertNotNil(app);
 
   XCTAssertNotNil([FIRAppCheck appCheckWithApp:app]);
+
+  // Verify that the App Check Core logging level is the default (Warning).
+  XCTAssertEqual(GACAppCheckLogger.logLevel, GACAppCheckLogLevelWarning);
 }
 
 #pragma mark - Public Get Token