diff --git a/install/mmdvm.sh b/install/mmdvm.sh
index 64a7e22..a5c888c 100644
--- a/install/mmdvm.sh
+++ b/install/mmdvm.sh
@@ -37,8 +37,19 @@ sudo systemctl enable monp.service
 #                                                        MMDVMHost
 #################################################################################################################################
 
-sudo apt-get install git make build-essential libusb-1.0-0-dev python python3 python3-pip chkconfig -y
-sudo apt-get install build-essential git-core libi2c-dev i2c-tools lm-sensors -y
+apps=("git" "make" "build-essential" "libusb-1.0-0-dev" "python" "python3" "python3-pip" "chkconfig" "git-core" "libi2c-dev" "i2c-tools" "lm-sensors")
+
+for app in "${apps[@]}"
+do
+    # Verificar apps
+    if ! dpkg -s "$app" >/dev/null 2>&1; then
+        # app no instalada
+        sudo apt-get install -y "$app"
+    else
+        # app ya instalada
+        echo "$app ya instalada"
+    fi
+done
 
 mkdir /var/log/mmdvmh
 
@@ -494,13 +505,24 @@ EOF
 #                                                   MMDVMHost - Dashboard WebSocket
 #################################################################################################################################
 #web
-sudo apt install python3-pip -y
-sudo apt install python3-websockets
-sudo pip3 install ansi2html
-sudo apt install python3-gpiozero -y
-sudo apt install python3-psutil
-sudo apt-get install python3-serial
 
+apps=("python3-pip" "python3-websockets" "python3-gpiozero" "python3-psutil" "python3-serial")
+
+for app in "${apps[@]}"
+do
+    # Verificar apps
+    if ! dpkg -s "$app" >/dev/null 2>&1; then
+        # app no instalada
+        sudo apt-get install -y "$app"
+    else
+        # app ya instalada
+        echo "$app ya instalada"
+    fi
+done
+
+if ! command -v ansi2html &> /dev/null; then
+    pip3 install ansi2html
+fi
 sudo adduser --system --no-create-home --group mmdvm
 
 cd /opt/