diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7153a53..b022a3d 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -3,8 +3,8 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="acr.browser.lightning"
-    android:versionCode="76"
-    android:versionName="4.0.8a" >
+    android:versionCode="77"
+    android:versionName="4.0.9a" >
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS" />
diff --git a/src/acr/browser/lightning/AdBlock.java b/src/acr/browser/lightning/AdBlock.java
index ae3286d..0806cfc 100644
--- a/src/acr/browser/lightning/AdBlock.java
+++ b/src/acr/browser/lightning/AdBlock.java
@@ -30,7 +30,7 @@ public class AdBlock {
 	}
 
 	private AdBlock(Context context) {
-		if (mBlockedDomainsList.isEmpty()) {
+		if (mBlockedDomainsList.isEmpty() && Constants.FULL_VERSION) {
 			loadBlockedDomainsList(context);
 		}
 		mBlockAds = PreferenceManager.getInstance().getAdBlockEnabled();
diff --git a/src/acr/browser/lightning/BrowserActivity.java b/src/acr/browser/lightning/BrowserActivity.java
index 96cc433..83ae1e2 100644
--- a/src/acr/browser/lightning/BrowserActivity.java
+++ b/src/acr/browser/lightning/BrowserActivity.java
@@ -1135,6 +1135,11 @@ public class BrowserActivity extends ThemableActivity implements BrowserControll
 	}
 
 	protected synchronized boolean newTab(String url, boolean show) {
+		// Limit number of tabs for limited version of app
+		if (!Constants.FULL_VERSION && mWebViews.size() >= 10) {
+			Utils.showToast(this, this.getString(R.string.max_tabs));
+			return false;
+		}
 		mIsNewIntent = false;
 		LightningView startingTab = new LightningView(mActivity, url, mDarkTheme);
 		if (mIdGenerator == 0) {
diff --git a/src/acr/browser/lightning/Constants.java b/src/acr/browser/lightning/Constants.java
index 95a2b33..5a4aa9f 100644
--- a/src/acr/browser/lightning/Constants.java
+++ b/src/acr/browser/lightning/Constants.java
@@ -10,6 +10,8 @@ public final class Constants {
 	private Constants() {
 	}
 
+	public static final boolean FULL_VERSION = true;
+	
 	public static final String DESKTOP_USER_AGENT = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2049.0 Safari/537.36";
 	public static final String MOBILE_USER_AGENT = "Mozilla/5.0 (Linux; U; Android 4.4; en-us; Nexus 4 Build/JOP24G) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30";
 	public static final int API = android.os.Build.VERSION.SDK_INT;
diff --git a/src/acr/browser/lightning/SettingsActivity.java b/src/acr/browser/lightning/SettingsActivity.java
index d4317de..d286a28 100644
--- a/src/acr/browser/lightning/SettingsActivity.java
+++ b/src/acr/browser/lightning/SettingsActivity.java
@@ -61,6 +61,7 @@ public class SettingsActivity extends ThemableSettingsActivity {
 		// initialize UI
 		RelativeLayout layoutFlash = (RelativeLayout) findViewById(R.id.layoutFlash);
 		RelativeLayout layoutBlockAds = (RelativeLayout) findViewById(R.id.layoutAdBlock);
+		layoutBlockAds.setEnabled(Constants.FULL_VERSION);
 		RelativeLayout layoutImages = (RelativeLayout) findViewById(R.id.layoutImages);
 		RelativeLayout layoutEnableJS = (RelativeLayout) findViewById(R.id.layoutEnableJS);
 		RelativeLayout layoutOrbot = (RelativeLayout) findViewById(R.id.layoutUseOrbot);
@@ -85,6 +86,7 @@ public class SettingsActivity extends ThemableSettingsActivity {
 
 		CheckBox flash = (CheckBox) findViewById(R.id.cbFlash);
 		CheckBox adblock = (CheckBox) findViewById(R.id.cbAdblock);
+		adblock.setEnabled(Constants.FULL_VERSION);
 		CheckBox images = (CheckBox) findViewById(R.id.cbImageBlock);
 		CheckBox enablejs = (CheckBox) findViewById(R.id.cbJavascript);
 		CheckBox orbot = (CheckBox) findViewById(R.id.cbOrbot);