diff --git a/native/ios/Comm.xcodeproj/project.pbxproj b/native/ios/Comm.xcodeproj/project.pbxproj
--- a/native/ios/Comm.xcodeproj/project.pbxproj
+++ b/native/ios/Comm.xcodeproj/project.pbxproj
@@ -50,6 +50,8 @@
 		CB38B48328771C8300171182 /* NonBlockingLock.mm in Sources */ = {isa = PBXBuildFile; fileRef = CB38B47B287718A200171182 /* NonBlockingLock.mm */; };
 		CB38B48428771CAF00171182 /* EncryptedFileUtils.mm in Sources */ = {isa = PBXBuildFile; fileRef = CB38B47D2877194100171182 /* EncryptedFileUtils.mm */; };
 		CB38B48528771CB800171182 /* EncryptedFileUtils.mm in Sources */ = {isa = PBXBuildFile; fileRef = CB38B47D2877194100171182 /* EncryptedFileUtils.mm */; };
+		CB38B48628771CDD00171182 /* TemporaryMessageStorage.mm in Sources */ = {isa = PBXBuildFile; fileRef = CB38B47F28771A3B00171182 /* TemporaryMessageStorage.mm */; };
+		CB38B48728771CE500171182 /* TemporaryMessageStorage.mm in Sources */ = {isa = PBXBuildFile; fileRef = CB38B47F28771A3B00171182 /* TemporaryMessageStorage.mm */; };
 		CB38F2B1286C6C870010535C /* MessageOperationsUtilities.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CB38F2AF286C6C870010535C /* MessageOperationsUtilities.cpp */; };
 		CB38F2C0286C6CDF0010535C /* MessageOperationsUtilities.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CB38F2AF286C6C870010535C /* MessageOperationsUtilities.cpp */; };
 		CB3C621127CE4A320054F24C /* Logger.mm in Sources */ = {isa = PBXBuildFile; fileRef = 71CA4A63262DA8E500835C89 /* Logger.mm */; };
@@ -197,6 +199,7 @@
 		CB38B47C2877190100171182 /* EncryptedFileUtils.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = EncryptedFileUtils.h; path = Comm/TemporaryMessageStorage/EncryptedFileUtils.h; sourceTree = "<group>"; };
 		CB38B47D2877194100171182 /* EncryptedFileUtils.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; name = EncryptedFileUtils.mm; path = Comm/TemporaryMessageStorage/EncryptedFileUtils.mm; sourceTree = "<group>"; };
 		CB38B47E287719C500171182 /* TemporaryMessageStorage.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = TemporaryMessageStorage.h; path = Comm/TemporaryMessageStorage/TemporaryMessageStorage.h; sourceTree = "<group>"; };
+		CB38B47F28771A3B00171182 /* TemporaryMessageStorage.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; name = TemporaryMessageStorage.mm; path = Comm/TemporaryMessageStorage/TemporaryMessageStorage.mm; sourceTree = "<group>"; };
 		CB38F2AE286C6C870010535C /* MessageSpecs.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MessageSpecs.h; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageSpecs.h; sourceTree = "<group>"; };
 		CB38F2AF286C6C870010535C /* MessageOperationsUtilities.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = MessageOperationsUtilities.cpp; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageOperationsUtilities.cpp; sourceTree = "<group>"; };
 		CB38F2B0286C6C870010535C /* MessageOperationsUtilities.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = MessageOperationsUtilities.h; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageOperationsUtilities.h; sourceTree = "<group>"; };
@@ -527,6 +530,7 @@
 		CB38B4782877177B00171182 /* TemporaryMessageStorage */ = {
 			isa = PBXGroup;
 			children = (
+				CB38B47F28771A3B00171182 /* TemporaryMessageStorage.mm */,
 				CB38B47E287719C500171182 /* TemporaryMessageStorage.h */,
 				CB38B47D2877194100171182 /* EncryptedFileUtils.mm */,
 				CB38B47C2877190100171182 /* EncryptedFileUtils.h */,
@@ -930,6 +934,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				CB38B48628771CDD00171182 /* TemporaryMessageStorage.mm in Sources */,
 				CB38B48428771CAF00171182 /* EncryptedFileUtils.mm in Sources */,
 				CB38B48228771C7A00171182 /* NonBlockingLock.mm in Sources */,
 				71009A7826FDCA67002C8453 /* tunnelbroker.grpc.pb.cc in Sources */,
@@ -971,6 +976,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				CB38B48728771CE500171182 /* TemporaryMessageStorage.mm in Sources */,
 				CB38B48528771CB800171182 /* EncryptedFileUtils.mm in Sources */,
 				CB38B48328771C8300171182 /* NonBlockingLock.mm in Sources */,
 				CB38F2C0286C6CDF0010535C /* MessageOperationsUtilities.cpp in Sources */,
diff --git a/native/ios/Comm/TemporaryMessageStorage/TemporaryMessageStorage.mm b/native/ios/Comm/TemporaryMessageStorage/TemporaryMessageStorage.mm
new file mode 100644
--- /dev/null
+++ b/native/ios/Comm/TemporaryMessageStorage/TemporaryMessageStorage.mm
@@ -0,0 +1,36 @@
+#import "TemporaryMessageStorage.h"
+#import "EncryptedFileUtils.h"
+#import "Logger.h"
+#import "NonBlockingLock.h"
+#import <string>
+
+@implementation TemporaryMessageStorage
+
+- (instancetype)init {
+  self = [self initAtDirectory:@"TemporaryMessageStorage"];
+  return self;
+}
+
+- (instancetype)initAtDirectory:(NSString *)directoryName {
+  self = [super init];
+  if (!self) {
+    return self;
+  }
+
+  NSURL *groupURL = [NSFileManager.defaultManager
+      containerURLForSecurityApplicationGroupIdentifier:@"group.app.comm"];
+  NSURL *directoryURL = [groupURL URLByAppendingPathComponent:directoryName];
+  NSString *directoryPath = directoryURL.path;
+
+  if (![NSFileManager.defaultManager fileExistsAtPath:directoryPath]) {
+    [NSFileManager.defaultManager createDirectoryAtPath:directoryPath
+                            withIntermediateDirectories:NO
+                                             attributes:nil
+                                                  error:nil];
+  }
+  _directoryURL = directoryURL;
+  _directoryPath = directoryPath;
+  return self;
+}
+
+@end