diff --git a/app-updater b/app-updater
new file mode 100755
index 0000000..3c83c0b
--- /dev/null
+++ b/app-updater
@@ -0,0 +1,123 @@
+#!/bin/bash
+
+DIRECTORY="$(readlink -f "$(dirname "$0")")"
+
+function error {
+  echo -e "\e[91m$1\e[39m"
+  exit 1
+}
+
+#generate app update status info
+updatable="$("${DIRECTORY}/manage" check-all | tail -1)"
+
+#if check-all succeeded to download the repo to the update folder
+if [ -d "${DIRECTORY}/update" ];then
+  PREIFS="$IFS"
+  IFS="|"
+  
+  mainfiles="$(echo -e "$(ls -p "${DIRECTORY}/update/pi-apps")\n$(ls -p "${DIRECTORY}")" | grep -v '/' | sort | uniq | tr '\n' '|')"
+  for file in $mainfiles
+  do
+    newhash=$(cat "${DIRECTORY}/update/pi-apps/${file}" 2>/dev/null | sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
+    oldhash=$(cat "${DIRECTORY}/${file}" 2>/dev/null | sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
+    #echo -e "newhash: $newhash\noldhash: $oldhash"
+    
+    if [ "$newhash" == "$oldhash" ];then
+      echo -e "${file} is identical\e[90m to the online version. Nothing to do!\e[39m"
+    else
+      if [ ! -f "${DIRECTORY}/${file}" ];then
+        echo -e "\e[97m${file} does not exist locally.\e[39m Adding to updatable list."
+        #in this case, add to updatable list
+        mainupdate="${mainupdate}|${file}"
+      elif [ ! -f "${DIRECTORY}/update/pi-apps/${file}" ];then
+        echo -e "\e[97m${file} only exists locally.\e[39m Will not add to updatable list."
+        #in this case, do not add to updatable list
+      else
+        echo -e "\e[97m${file} exists in both locations, but online version is newer\e[39m. Adding to updatable list."
+        #in this case, add to updatable list
+        mainupdate="${mainupdate}|${file}"
+      fi
+      
+    fi
+  done
+  IFS="$PREIFS"
+  
+  #remove initial '|' character
+  mainupdate="${mainupdate:1}"
+else
+  error "${DIRECTORY}/update does not exist. Most likely there is no Internet connection."
+fi
+
+LIST=''
+
+PREIFS="$IFS"
+IFS="|"
+for i in $updatable
+do
+  LIST="${LIST}${DIRECTORY}/update/pi-apps/apps/${i}/icon-24.png
+$i "\("$([ $(cat "${DIRECTORY}/data/update-status/${i}") == 'new' ]&&echo 'new ')app"\)"
+"
+done
+for i in $mainupdate
+do
+  LIST="${LIST}$(if [ "$(file -b --mime-type "${DIRECTORY}/${i}")" == 'text/x-shellscript' ];then
+  #if updatable file in question is a shell script, then display shellscript icon.
+  echo "${DIRECTORY}/icons/shellscript.png"
+else
+  #otherwise display txt icon.
+  echo "${DIRECTORY}/icons/txt.png"
+fi)
+$i "\("file"\)"
+"
+done
+IFS="$PREIFS"
+
+if [ -z "$LIST" ];then
+  echo -e '\e[92mNothing to update. Nothing to do!\e[39m'
+  exit 0
+fi
+LIST="${LIST::-1}"
+#echo "List: ${LIST}EOL"
+
+echo -e "$LIST" | yad --center --title='Pi-Apps' --width=300 --height=300 --no-headers \
+  --list --separator='\n' --window-icon="${DIRECTORY}/icons/logo.png" \
+  --text='Updates available:' \
+  --column=:IMG --column=Name \
+  --button=Cancel!"${DIRECTORY}/icons/exit.png":1 \
+  --button='Update now'!"${DIRECTORY}/icons/download.png":0 \
+  2>/dev/null
+
+button=$? #get exit code to determine which button was pressed
+echo "Button: ${button}"
+[ ! "$button" -eq 0 ] && error 'User cancelled' #exit now if anything but Update was clicked
+
+
+PREIFS="$IFS"
+IFS="|"
+for i in $updatable
+do
+  "${DIRECTORY}/manage" update "$i" nofetch
+  echo -e "\e[92m${i} was updated successfully.\e[39m"
+done
+
+for i in $mainupdate
+do
+  #move old program to trash
+  gio trash "${DIRECTORY}/${i}" 2>/dev/null
+  
+  #failsafe
+  [ -f "${DIRECTORY}/${i}" ] && error "${DIRECTORY}/apps/${2} still exists, despite trying to delete it!"
+  
+  #copy new version to apps/
+  cp -f "${DIRECTORY}/update/pi-apps/${i}" "${DIRECTORY}/${i}" || error "Failed to copy ${DIRECTORY}/update/pi-apps/${i}!"
+  
+  echo -e "\e[92m${i} was updated successfully.\e[39m"
+done
+IFS="$PREIFS"
+
+#.git folder
+#move old .git folder to trash
+gio trash "${DIRECTORY}/.git" 2>/dev/null
+cp -f "${DIRECTORY}/update/pi-apps/.git" "${DIRECTORY}/.git" || error "Failed to copy new .git!"
+
+
diff --git a/data/update-status/Arduino b/data/update-status/Arduino
new file mode 100644
index 0000000..d669e17
--- /dev/null
+++ b/data/update-status/Arduino
@@ -0,0 +1 @@
+updatable
diff --git a/data/update-status/Arduino2 b/data/update-status/Arduino2
new file mode 100644
index 0000000..4083037
--- /dev/null
+++ b/data/update-status/Arduino2
@@ -0,0 +1 @@
+local
diff --git a/data/update-status/BalenaEtcher b/data/update-status/BalenaEtcher
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/BalenaEtcher
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/Chromium Media Edition b/data/update-status/Chromium Media Edition
new file mode 100644
index 0000000..3e75765
--- /dev/null
+++ b/data/update-status/Chromium Media Edition	
@@ -0,0 +1 @@
+new
diff --git a/data/update-status/CommanderPi b/data/update-status/CommanderPi
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/CommanderPi
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/Cool Retro Term b/data/update-status/Cool Retro Term
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/Cool Retro Term	
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/Cura b/data/update-status/Cura
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/Cura
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/FreeCAD b/data/update-status/FreeCAD
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/FreeCAD
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/FreeCAD (precompiled) b/data/update-status/FreeCAD (precompiled)
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/FreeCAD (precompiled)	
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/Pi Power Tools b/data/update-status/Pi Power Tools
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/Pi Power Tools	
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/Raspi2png b/data/update-status/Raspi2png
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/Raspi2png
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/TBOPlayer b/data/update-status/TBOPlayer
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/TBOPlayer
@@ -0,0 +1 @@
+latest
diff --git a/data/update-status/Windows 10 Theme b/data/update-status/Windows 10 Theme
new file mode 100644
index 0000000..a0f9a4b
--- /dev/null
+++ b/data/update-status/Windows 10 Theme	
@@ -0,0 +1 @@
+latest
diff --git a/gui b/gui
index 823d26c..5336259 100755
--- a/gui
+++ b/gui
@@ -16,14 +16,13 @@ while true;do
   for i in $APPS
   do
     
-    LIST="$LIST$(echo "${DIRECTORY}/icons/$(cat "${DIRECTORY}/data/status/${i}" || echo "none").png")
+    LIST="${LIST}$(echo "${DIRECTORY}/icons/$(cat "${DIRECTORY}/data/status/${i}" || echo "none").png")
 ${DIRECTORY}/apps/${i}/icon-24.png
 $i
 "\("$(cat "${DIRECTORY}/data/status/${i}" || echo "Unknown state")"\)" $(echo "$(cat "${DIRECTORY}/apps/${i}/description" || echo "Description unavailable")" | head -n1)
 "
   done
   IFS="$PREIFS"
-  LIST="$(echo -e "$LIST")"
   #echo "$LIST"
   output="$(echo -e "$LIST" | yad --center --title='Pi-Apps' --width=300 --height=300 --no-headers \
     --list --separator='\n' --window-icon="${DIRECTORY}/icons/logo.png" \
diff --git a/icons/new.png b/icons/new.png
new file mode 100644
index 0000000..8410a71
Binary files /dev/null and b/icons/new.png differ
diff --git a/icons/shellscript.png b/icons/shellscript.png
new file mode 100644
index 0000000..1d85932
Binary files /dev/null and b/icons/shellscript.png differ
diff --git a/icons/txt.png b/icons/txt.png
new file mode 100644
index 0000000..aab61a4
Binary files /dev/null and b/icons/txt.png differ
diff --git a/icons/uninstalled.png b/icons/uninstalled.png
index 4ff9ba4..1942003 100644
Binary files a/icons/uninstalled.png and b/icons/uninstalled.png differ
diff --git a/icons/updatable.png b/icons/updatable.png
new file mode 100644
index 0000000..07e2076
Binary files /dev/null and b/icons/updatable.png differ
diff --git a/install b/install
new file mode 100755
index 0000000..1ed819a
--- /dev/null
+++ b/install
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+#has newline chars to display properly
+packagelist="$(echo "yad" | tr ' ' '\n')"
+
+DIRECTORY="$(readlink -f "$(dirname "$0")")"
+
+echo -e "$packagelist" | zenity --title='Pi-Apps' --window-icon="${DIRECTORY}/icons/logo.png" \
+	--list --text=" These packages are required but not installed.   \n Install them now?" \
+	--ok-label=Yes --cancel-label=No \
+	--column=foo --hide-header 2>/dev/null
+button=$?
+
+#echo $button
+if [ ! $button -eq 0 ];then
+  echo "User declined."
+  exit 1
+fi
+#else
+lxterminal --title="Installing $packagelist" -e "sudo apt install -y $PKG_LIST;echo -e '\nInstallation finished.\nClosing in 5 seconds.';sleep 5"
+
+echo "Creating menu button..."
+echo -n '' > ${HOME}/.local/share/applications/pi-apps.desktop
+echo "[Desktop Entry]
+Name=Pi Apps
+Comment=Raspberry Pi App Store for open source projects
+Exec=${DIRECTORY}/gui
+Icon=${DIRECTORY}/icons/logo.png
+Terminal=false
+Type=Application
+Categories=Utility;" >> ${HOME}/.local/share/applications/pi-apps.desktop
diff --git a/manage b/manage
index e80cecd..6610bad 100755
--- a/manage
+++ b/manage
@@ -15,13 +15,13 @@ if [ -z "$1" ];then
 fi
 
 if [ "$1" == 'install' ];then
+  #INSTALL
   #for this operation, a program name must be specified.
   if [ -z "$2" ];then
     error "For this operation, you must specify which app to operate on."
   elif [ ! -d "${DIRECTORY}/apps/$2" ];then
     error "${DIRECTORY}/apps/$2 does not exist!"
   fi
-  #INSTALL
   #ensure an install script is not already running
   if ps -C install ;then       
     echo "An install script is already running.
@@ -43,8 +43,8 @@ Pi-Apps will wait until that one finishes before installing $2." | yad --text-in
     echo 'corrupted' > \"${DIRECTORY}/data/status/${2}\"
     if \"${DIRECTORY}/apps/${2}/install\" ; then
       echo 'installed' > \"${DIRECTORY}/data/status/${2}\"
-      echo -en '\n\e[42m\e[30mCommand succeeded.\e[39m\e[49m\nClose this window to exit.'
-      read enter #technically you could press Enter to exit.
+      echo -en '\n\e[42m\e[30mCommand succeeded.\e[39m\e[49m\nClosing in 10 seconds.'
+      sleep 10
     else
       echo 'corrupted' > \"${DIRECTORY}/data/status/${2}\"
       echo -en '\n\e[41m\e[30mCommand failed!\e[39m\e[49m\nClose this window to exit.'
@@ -55,15 +55,15 @@ Pi-Apps will wait until that one finishes before installing $2." | yad --text-in
   while ps -C install >/dev/null;do sleep 1; done
   
 elif [ "$1" == 'uninstall' ];then
+  #UNINSTALL
   #for this operation, a program name must be specified.
   if [ -z "$2" ];then
     error "For this operation, you must specify which app to operate on."
   elif [ ! -d "${DIRECTORY}/apps/$2" ];then
     error "${DIRECTORY}/apps/$2 does not exist!"
   fi
-  #UNINSTALL
   #ensure an uninstall script is not already running
-  if ps -C install ;then       
+  if ps -C uninstall ;then       
     echo "An uninstall script is already running.
 Pi-Apps will wait until that one finishes before starting this one." | yad --text-info \
     --title="Waiting" --window-icon="${DIRECTORY}/icons/logo.png" --center --width=500 --height=100 \
@@ -83,8 +83,8 @@ Pi-Apps will wait until that one finishes before starting this one." | yad --tex
     echo 'corrupted' > \"${DIRECTORY}/data/status/${2}\"
     if \"${DIRECTORY}/apps/${2}/uninstall\" ; then
       echo 'uninstalled' > \"${DIRECTORY}/data/status/${2}\"
-      echo -en '\n\e[42m\e[30mCommand succeeded.\e[39m\e[49m\nClose this window to exit.'
-      read enter #technically you could press Enter to exit.
+      echo -en '\n\e[42m\e[30mCommand succeeded.\e[39m\e[49m\nClosing in 10 seconds..'
+      sleep 10
     else
       echo 'corrupted' > \"${DIRECTORY}/data/status/${2}\"
       echo -en '\n\e[41m\e[30mCommand failed!\e[39m\e[49m\nClose this window to exit.'
@@ -94,14 +94,19 @@ Pi-Apps will wait until that one finishes before starting this one." | yad --tex
   sleep 2
   while ps -C uninstall >/dev/null;do sleep 1; done
 elif [ "$1" == 'update' ];then
+  #UPDATE
   #for this operation, a program name must be specified.
   if [ -z "$2" ];then
     error "For this operation, you must specify which app to operate on."
   fi
-  #UPDATE
   
-  rm -rf "${DIRECTORY}/update" && mkdir "${DIRECTORY}/update" && cd "${DIRECTORY}/update" || error "failed to enter the update directory!"
-  git clone https://github.com/Botspot/pi-apps || error "failed to clone repository!"
+  #HIDDEN FEATURE - if $3 equals nofetch, then don't download github repo. Useful for updating multiple apps at maximum speed
+  if [ "$3" == 'nofetch' ] && [ -d "${DIRECTORY}/update" ];then
+    true
+  else
+    rm -rf "${DIRECTORY}/update" && mkdir "${DIRECTORY}/update" && cd "${DIRECTORY}/update" || error "failed to enter the update directory!"
+    git clone https://github.com/Botspot/pi-apps || error "failed to clone repository!"
+  fi
   
   newhash=$(find "${DIRECTORY}/update/pi-apps/apps/${2}" -type f -print0  | xargs -0 sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
   oldhash=$(find "${DIRECTORY}/apps/${2}" -type f -print0  | xargs -0 sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
@@ -125,7 +130,10 @@ elif [ "$1" == 'update' ];then
   fi
   
   #move old program to trash
-  gio trash "${DIRECTORY}/apps/${2}"
+  gio trash "${DIRECTORY}/apps/${2}" 2>/dev/null
+  
+  #failsafe
+  [ -d "${DIRECTORY}/apps/${2}" ] && error "${DIRECTORY}/apps/${2} still exists, despite trying to delete it!"
   
   #copy new version to apps/
   cp -rf "${DIRECTORY}/update/pi-apps/apps/${2}" "${DIRECTORY}/apps/${2}"
@@ -135,39 +143,56 @@ elif [ "$1" == 'update' ];then
     #install it using a recursive script instance
     "${DIRECTORY}/manage" install "$2"
   fi
+  echo -e '\e[92m${2} was updated successfully.\e[39m'
 elif [ "$1" == 'check-all' ];then
-  #for this operation, a program name cannot be specified.
   #CHECK-ALL
+  #for this operation, a program name cannot be specified.
   
   rm -rf "${DIRECTORY}/update" && mkdir "${DIRECTORY}/update" && cd "${DIRECTORY}/update" || error "failed to enter the update directory!"
   git clone https://github.com/Botspot/pi-apps || error "failed to clone repository!"
   
   updatable=''
-  echo "app list: $(echo "$(ls "${DIRECTORY}/update/pi-apps/apps")" | grep -v 'template')"
 
   PREIFS="$IFS"
   IFS="|"
-  newapps="$(echo "$(ls "${DIRECTORY}/update/pi-apps/apps")" | grep -v 'template' | tr '\n' '|')"
+  newapps="$(echo -e "$(ls "${DIRECTORY}/update/pi-apps/apps")\n$(ls "${DIRECTORY}/apps")" | grep -v 'template' | sort | uniq | tr '\n' '|')"
   for newapp in $newapps
   do
-    echo "newapp: $newapp"
-    newhash=$(find "${DIRECTORY}/update/pi-apps/apps/${newapp}" -type f -print0  | xargs -0 sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
-    oldhash=$(find "${DIRECTORY}/apps/${newapp}" -type f -print0  | xargs -0 sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
-    echo -e "newhash: $newhash\noldhash: $oldhash"
+    #echo "newapp: $newapp"
+    newhash=$(find "${DIRECTORY}/update/pi-apps/apps/${newapp}" -type f -print0 2>/dev/null | xargs -0 sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
+    oldhash=$(find "${DIRECTORY}/apps/${newapp}" -type f -print0 2>/dev/null | xargs -0 sha1sum | awk '{print $1}' | sha1sum | awk '{print $1}')
+    #echo -e "newhash: $newhash\noldhash: $oldhash"
     
     if [ "$newhash" == "$oldhash" ];then
-      echo "${newapp} is identical to the online version. Nothing to do!"
+      echo -e "${newapp} is identical\e[90m to the online version. Nothing to do!\e[39m"
+      echo 'latest' > "${DIRECTORY}/data/update-status/${newapp}"
     else
-      echo "${newapp} is not identical to the online version. Adding to updatable list..."
-      updatable="${updatable}|${newapp}"
+      if [ ! -d "${DIRECTORY}/apps/${newapp}" ];then
+        echo -e "\e[97m${newapp} does not exist locally.\e[39m Adding to updatable list."
+        echo 'new' > "${DIRECTORY}/data/update-status/${newapp}"
+        #in this case, add to updatable list
+        updatable="${updatable}|${newapp}"
+      elif [ ! -d "${DIRECTORY}/update/pi-apps/apps/${newapp}" ];then
+        echo -e "\e[97m${newapp} only exists locally.\e[39m Will not add to updatable list."
+        echo 'local' > "${DIRECTORY}/data/update-status/${newapp}"
+        #in this case, do not add to updatable list
+      else
+        echo -e "\e[97m${newapp} exists in both locations, but online version is newer\e[39m. Adding to updatable list."
+        echo 'updatable' > "${DIRECTORY}/data/update-status/${newapp}"
+        #in this case, add to updatable list
+        updatable="${updatable}|${newapp}"
+      fi
+      
     fi
-  done
+  done 
+  IFS="$PREIFS"
+  
   #remove initial '|' character
   updatable="${updatable:1}"
   
-  IFS="$PREIFS"
-  echo -e "These apps can be updated:\n${updatable}"
+  echo -e "\e[97mThese apps can be updated:\n${updatable}"
 elif [ "$1" == 'update-all' ];then
+  #UPDATE-ALL
   #for this operation, a program name cannot be specified.
   PREIFS="$IFS"
   IFS='|'
@@ -178,9 +203,10 @@ elif [ "$1" == 'update-all' ];then
     echo "updating $updateapp"
     #update it using a recursive script instance
     echo "${DIRECTORY}/manage update $updateapp"
-    "${DIRECTORY}/manage" update "$updateapp"
+    "${DIRECTORY}/manage" update "$updateapp" || exit 1
   done 
   IFS="$PREIFS"
+  echo -e '\e[92mOperation completed successfully!\e[39m'
 else
-  error "Did not understand ${1}. It must be either "\'"install"\'", "\'"uninstall"\'", "\'"update"\'", or "\'"check-all"\'"."
+  error "Did not understand ${1}. It must be either "\'"install"\'", "\'"uninstall"\'", "\'"update"\'", "\'"check-all"\'", or "\'"update-all"\'"."
 fi
diff --git a/update/pi-apps b/update/pi-apps
index 637d24d..d51045e 160000
--- a/update/pi-apps
+++ b/update/pi-apps
@@ -1 +1 @@
-Subproject commit 637d24d884a25d46012a5b5ab6fb876686fe6bdf
+Subproject commit d51045ef79db9abef2578e8c21c9eb9c49eb2057