diff --git a/frontend/static/js/general.js b/frontend/static/js/general.js
index 26d3c43..cc249ee 100644
--- a/frontend/static/js/general.js
+++ b/frontend/static/js/general.js
@@ -48,20 +48,71 @@ function logout() {
 		'method': 'POST'
 	})
 	.then(response => {
-		const new_stor = JSON.parse(localStorage.getItem('MIND'))
-		new_stor.api_key = null
-		localStorage.setItem('MIND', JSON.stringify(new_stor));
+		setLocalStorage({'api_key': null});
 		window.location.href = `${url_prefix}/`;
 	});
 };
 
+// 
+// LocalStorage
+// 
+const default_values = {
+	'api_key': null,
+	'locale': 'en-GB',
+	'default_service': null
+};
+
+function setupLocalStorage() {
+	if (!localStorage.getItem('MIND'))
+		localStorage.setItem('MIND', JSON.stringify(default_values));
+	
+	const missing_keys = [
+		...Object.keys(default_values)
+	].filter(e =>
+		![...Object.keys(JSON.parse(localStorage.getItem('MIND')))].includes(e)
+	)
+
+	if (missing_keys.length) {
+		const storage = JSON.parse(localStorage.getItem('MIND'));
+
+		missing_keys.forEach(missing_key => {
+			storage[missing_key] = default_values[missing_key]
+		})
+
+		localStorage.setItem('MIND', JSON.stringify(storage));
+	};
+	return;
+};
+
+function getLocalStorage(keys) {
+	const storage = JSON.parse(localStorage.getItem('MIND'));
+	const result = {};
+	if (typeof keys === 'string')
+		result[keys] = storage[keys];
+		
+	else if (typeof keys === 'object')
+		for (const key in keys)
+			result[key] = storage[key];
+
+	return result;
+};
+
+function setLocalStorage(keys_values) {
+	const storage = JSON.parse(localStorage.getItem('MIND'));
+
+	for (const [key, value] of Object.entries(keys_values))
+		storage[key] = value;
+	
+	localStorage.setItem('MIND', JSON.stringify(storage));
+	return;
+};
+
 // code run on load
 
-if (localStorage.getItem('MIND') === null)
-	localStorage.setItem('MIND', JSON.stringify({'api_key': null, 'locale': 'en-GB'}))
+setupLocalStorage();
 
 const url_prefix = document.getElementById('url_prefix').dataset.value;
-const api_key = JSON.parse(localStorage.getItem('MIND')).api_key;
+const api_key = getLocalStorage('api_key')['api_key'];
 if (api_key === null) {
 	window.location.href = `${url_prefix}/`;
 };
diff --git a/frontend/static/js/library.js b/frontend/static/js/library.js
index 215d006..20f92af 100644
--- a/frontend/static/js/library.js
+++ b/frontend/static/js/library.js
@@ -58,7 +58,7 @@ function fillTable(table, results) {
 			const time = document.createElement('p');
 			var offset = new Date(r.time * 1000).getTimezoneOffset() * -60;
 			var d = new Date((r.time + offset) * 1000);
-			var formatted_date = d.toLocaleString(JSON.parse(localStorage.getItem('MIND')).locale);
+			var formatted_date = d.toLocaleString(getLocalStorage('locale')['locale']);
 			if (r.repeat_interval !== null) {
 				if (r.repeat_interval === 1) {
 					var quantity = r.repeat_quantity.endsWith('s') ? r.repeat_quantity.slice(0, -1) : r.repeat_quantity;
diff --git a/frontend/static/js/notification.js b/frontend/static/js/notification.js
index 7cd871c..e3d7e94 100644
--- a/frontend/static/js/notification.js
+++ b/frontend/static/js/notification.js
@@ -8,6 +8,24 @@ function fillNotificationSelection() {
 		if (json.result.length) {
 			document.getElementById('add-reminder').classList.remove('error', 'error-icon');
 
+			const default_select = document.querySelector('#default-service-input');
+			default_select.innerHTML = '';
+			let default_service = getLocalStorage('default_service')['default_service'];
+			json.result.forEach(service => {
+				const entry = document.createElement('option');
+				entry.value = service.id;
+				entry.innerText = service.title;
+				if (default_service === service.id)
+					entry.setAttribute('selected', '');
+				default_select.appendChild(entry);
+			});
+			if (!document.querySelector(`#default-service-input > option[value="${default_service}"]`))
+				setLocalStorage({'default_service': 
+					parseInt(document.querySelector('#default-service-input > option')?.value)
+					|| null
+				});
+				default_service = getLocalStorage('default_service')['default_service'];
+
 			inputs.notification_service.innerHTML = '';
 			json.result.forEach(service => {
 				const entry = document.createElement('div');
@@ -85,6 +103,18 @@ function fillNotificationSelection() {
 			});	
 		} else {
 			document.getElementById('add-reminder').classList.add('error', 'error-icon');
+
+			inputs.notification_service.innerHTML = '';
+
+			const default_select = document.querySelector('#default-service-input');
+			default_select.innerHTML = '';
+
+			const default_service = getLocalStorage('default_service')['default_service'];
+			if (!document.querySelector(`#default-service-input > option[value="${default_service}"]`))
+				setLocalStorage({'default_service': 
+					parseInt(document.querySelector('#default-service-input > option')?.value)
+					|| null
+				});
 		};
 	})
 	.catch(e => {
@@ -139,8 +169,9 @@ function deleteService(id) {
 		if (json.error !== null) return Promise.reject(json);
 		
 		row.remove();
-		if (document.querySelectorAll('#services-list > tr:not(#add-row)').length === 0)
-			document.getElementById('add-entry').classList.add('error', 'error-icon');
+		fillNotificationSelection();
+		if (document.querySelectorAll('#services-list > tr').length === 0)
+			document.getElementById('add-reminder').classList.add('error', 'error-icon');
 	})
 	.catch(e => {
 		if (e.error === 'ApiKeyExpired' || e.error === 'ApiKeyInvalid')
diff --git a/frontend/static/js/settings.js b/frontend/static/js/settings.js
index b422e51..e73559d 100644
--- a/frontend/static/js/settings.js
+++ b/frontend/static/js/settings.js
@@ -1,5 +1,14 @@
 function loadSettings() {
-	document.getElementById('locale-input').value = JSON.parse(localStorage.getItem('MIND')).locale;
+	document.getElementById('locale-input').value = getLocalStorage('locale')['locale'];
+};
+
+function updateLocale(e) {
+	setLocalStorage({'locale': e.target.value});
+	window.location.reload();
+};
+
+function updateDefaultService(e) {
+	setLocalStorage({'default_service': parseInt(e.target.value)});
 };
 
 function changePassword() {
@@ -23,13 +32,6 @@ function changePassword() {
 	});
 };
 
-function updateLocale(e) {
-	const new_stor = JSON.parse(localStorage.getItem('MIND'));
-	new_stor.locale = e.target.value;
-	localStorage.setItem('MIND', JSON.stringify(new_stor));
-	window.location.reload();
-};
-
 function deleteAccount() {
 	fetch(`${url_prefix}/api/user?api_key=${api_key}`, {
 		'method': 'DELETE'
@@ -43,6 +45,7 @@ function deleteAccount() {
 
 loadSettings();
 
-document.getElementById('change-password-form').setAttribute('action', 'javascript:changePassword()');
 document.getElementById('locale-input').addEventListener('change', updateLocale);
+document.querySelector('#default-service-input').addEventListener('change', updateDefaultService);
+document.getElementById('change-password-form').setAttribute('action', 'javascript:changePassword()');
 document.getElementById('delete-account-button').addEventListener('click', e => deleteAccount());
diff --git a/frontend/static/js/show.js b/frontend/static/js/show.js
index 672f000..afd5076 100644
--- a/frontend/static/js/show.js
+++ b/frontend/static/js/show.js
@@ -1,10 +1,11 @@
 function showAdd(type) {
+	const default_service = getLocalStorage('default_service')['default_service'];
 	inputs.template.value = '0';
 	inputs.title.value = '';
 	inputs.text.value = '';
 	inputs.time.value = '';
 	inputs.notification_service.querySelectorAll('input[type="checkbox"]').forEach(c => c.checked = false);
-	inputs.notification_service.querySelector('input[type="checkbox"]:first-child').checked = true;
+	inputs.notification_service.querySelector(`input[type="checkbox"][data-id="${default_service}"]`).checked = true;
 	toggleNormal();
 	toggleColor(true);
 	document.getElementById('test-reminder').classList.remove('show-sent');
diff --git a/frontend/templates/reminders.html b/frontend/templates/reminders.html
index 208d05f..a186765 100644
--- a/frontend/templates/reminders.html
+++ b/frontend/templates/reminders.html
@@ -252,11 +252,6 @@
 			<div id="settings">
 				<h2>Settings</h2>
 				<div class="settings-container">
-					<h3>Change Password</h3>
-					<form id="change-password-form">
-						<input type="password" id="password-input" autocomplete="new-password" required>
-						<button type="submit">Change</button>
-					</form>
 					<h3>Locale</h3>
 					<select id="locale-input">
 						<option value="ar-SA">ar-SA</option>
@@ -313,6 +308,16 @@
 						<option value="zh-HK">zh-HK</option>
 						<option value="zh-TW">zh-TW</option>
 					</select>
+
+					<h3>Default Notification Service</h3>
+					<select id="default-service-input"></select>
+
+					<h3>Change Password</h3>
+					<form id="change-password-form">
+						<input type="password" id="password-input" autocomplete="new-password" required>
+						<button type="submit">Change</button>
+					</form>
+
 					<h3>Delete Account</h3>
 					<button id="delete-account-button">Delete Account</button>
 				</div>