diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index 62cb12ec..b124104e 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -140,4 +140,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: a62623f56f2d1d0e85a4a3c73509cd2832d5c86f
 
-COCOAPODS: 1.14.3
+COCOAPODS: 1.15.0
diff --git a/packages/features/landing_page_screen/test/widget/landing_page_test.dart b/packages/features/landing_page_screen/test/widget/landing_page_test.dart
index 492f9fa7..32e72f1c 100644
--- a/packages/features/landing_page_screen/test/widget/landing_page_test.dart
+++ b/packages/features/landing_page_screen/test/widget/landing_page_test.dart
@@ -415,6 +415,7 @@ void main() {
       expect(saveProjectButton, findsOneWidget);
 
       await tester.tap(saveProjectButton);
+      when(fileService.getNextProjectNumber()).thenAnswer((_) async => 1);
       await tester.pumpAndSettle();
 
       final textFormField = find.widgetWithText(TextFormField, 'Project name');
diff --git a/packages/features/landing_page_screen/test/widget/landing_page_test.mocks.dart b/packages/features/landing_page_screen/test/widget/landing_page_test.mocks.dart
index 3f8b937c..950dbe36 100644
--- a/packages/features/landing_page_screen/test/widget/landing_page_test.mocks.dart
+++ b/packages/features/landing_page_screen/test/widget/landing_page_test.mocks.dart
@@ -309,6 +309,13 @@ class MockIFileService extends _i1.Mock implements _i9.IFileService {
     _i1.throwOnMissingStub(this);
   }
 
+  @override
+  Future<int> getNextProjectNumber() => super.noSuchMethod(
+    Invocation.method(#getNextProjectNumber, []),
+    returnValue: Future<int>.value(1),
+    returnValueForMissingStub: Future<int>.value(-1),
+  );
+
   @override
   _i3.Future<_i5.Result<_i11.File, _i9.Failure>> save(
     String? filename,
diff --git a/packages/io_library/lib/src/service/file_service.dart b/packages/io_library/lib/src/service/file_service.dart
index 2d72e9b9..963c4396 100644
--- a/packages/io_library/lib/src/service/file_service.dart
+++ b/packages/io_library/lib/src/service/file_service.dart
@@ -7,6 +7,7 @@ import 'package:io_library/io_library.dart';
 import 'package:oxidized/oxidized.dart';
 
 import 'package:path_provider/path_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 abstract class IFileService {
   Future<Result<File, Failure>> save(String filename, Uint8List data);
@@ -18,6 +19,10 @@ abstract class IFileService {
 
   Result<File, Failure> getFile(String path);
 
+  Future<int> getNextImageNumber();
+
+  Future<int> getNextProjectNumber();
+
   static final provider = Provider<IFileService>((ref) => FileService());
 
   Future<bool> checkIfFileExistsInApplicationDirectory(String fileName);
@@ -107,4 +112,42 @@ class FileService with LoggableMixin implements IFileService {
       return const Result.err(LoadImageFailure.unidentified);
     }
   }
+
+  @override
+  Future<int> getNextImageNumber() async {
+    final prefs = await SharedPreferences.getInstance();
+    int lastNumber = prefs.getInt('lastImageNumber') ?? 0;
+    int nextNumber = lastNumber + 1;
+    await prefs.setInt('lastImageNumber', nextNumber);
+    return nextNumber;
+  }
+
+  @override
+  Future<int> getNextProjectNumber() async {
+    final directory = await getApplicationDocumentsDirectory();
+    final files = await directory.list().toList();
+    int maxNum = 0;
+
+    for (var file in files) {
+      if (file is File) {
+        final fileName = file.path.split('/').last;
+
+        if (fileName.startsWith('project')) {
+          final match = RegExp(r'project(\d+)').firstMatch(fileName);
+          if (match != null) {
+            final numString = match.group(1);
+            if (numString != null) {
+              final num = int.tryParse(numString) ?? 0;
+
+              if (num > maxNum) {
+                maxNum = num;
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return maxNum + 1;
+  }
 }
diff --git a/packages/io_library/lib/src/ui/save_image_dialog.dart b/packages/io_library/lib/src/ui/save_image_dialog.dart
index 104f4bb5..1109acd3 100644
--- a/packages/io_library/lib/src/ui/save_image_dialog.dart
+++ b/packages/io_library/lib/src/ui/save_image_dialog.dart
@@ -1,6 +1,7 @@
 import 'package:component_library/component_library.dart';
 import 'package:flutter/material.dart';
 import 'package:io_library/io_library.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 /// Returns [null] if user dismissed the dialog by tapping outside
 Future<ImageMetaData?> showSaveImageDialog(
@@ -12,17 +13,17 @@ Future<ImageMetaData?> showSaveImageDialog(
         barrierDismissible: true,
         barrierLabel: 'Dismiss save image dialog box');
 
-class SaveImageDialog extends StatefulWidget {
+class SaveImageDialog extends ConsumerStatefulWidget {
   final bool savingProject;
 
   const SaveImageDialog({Key? key, required this.savingProject})
       : super(key: key);
 
   @override
-  State<SaveImageDialog> createState() => _SaveImageDialogState();
+  SaveImageDialogState createState() => SaveImageDialogState();
 }
 
-class _SaveImageDialogState extends State<SaveImageDialog> {
+class SaveImageDialogState extends ConsumerState<SaveImageDialog> {
   final TextEditingController nameFieldController = TextEditingController();
   final formKey = GlobalKey<FormState>(debugLabel: 'SaveImageDialog Form');
   var selectedFormat = ImageFormat.jpg;
@@ -31,10 +32,29 @@ class _SaveImageDialogState extends State<SaveImageDialog> {
   @override
   void initState() {
     super.initState();
-
     if (widget.savingProject) {
       selectedFormat = ImageFormat.catrobatImage;
     }
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _setDefaultFileName();
+    });
+  }
+
+  Future<void> _setDefaultFileName() async {
+    final fileService = ref.read(IFileService.provider);
+    String defaultName;
+    if (widget.savingProject) {
+      final nextNumber = await fileService.getNextProjectNumber();
+      defaultName = 'project$nextNumber';
+    } else {
+      final nextNumber = await fileService.getNextImageNumber();
+      defaultName = 'image$nextNumber';
+    }
+
+    setState(() {
+      nameFieldController.text = defaultName;
+    });
   }
 
   void _dismissDialogWithData() {
diff --git a/packages/io_library/pubspec.yaml b/packages/io_library/pubspec.yaml
index 33e1fe2b..19c513db 100644
--- a/packages/io_library/pubspec.yaml
+++ b/packages/io_library/pubspec.yaml
@@ -27,6 +27,7 @@ dependencies:
   oxidized: ^5.2.0
   intl: ^0.18.0
   json_annotation: ^4.8.1
+  shared_preferences: ^2.0.15
 
   # Internal packages:
   component_library: