diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 575f83c..9225c0a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,13 +1,15 @@
 name: Sample workflow for App Center action
 on: [push, pull_request, workflow_dispatch, pull_request_target]
 jobs:
-  run:
+  android:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v2
       - name: Get sample .apk for test purposes
-        run: wget --output-document ApiDemos-debug.apk https://github.com/appium/appium/blob/906350fd335f9485376214fdd17c7cdb6c9ff26b/sample-code/apps/ApiDemos-debug.apk?raw=true
+        run: wget https://github.com/appium/appium/blob/906350fd335f9485376214fdd17c7cdb6c9ff26b/sample-code/apps/ApiDemos-debug.apk?raw=true -O ApiDemos-debug.apk
+      - name: Get sample mappings.txt file for test purposes
+        run: wget https://gist.githubusercontent.com/loopj/43a4a3231f32c17ab9e3/raw/2181ad9ae926cd3d46ee9becabcb0cce668ef9c0/mapping.txt -O mappings.txt
       - name: Upload artifact with provided release notes
         uses: ./
         with:
@@ -47,4 +49,29 @@ jobs:
           group: Collaborators
           file: ApiDemos-debug.apk
           debug: true
-
+      - name: Upload apk artifact with mappings file
+        uses: ./
+        with:
+          appName: ${{ secrets.APP_NAME }}
+          token: ${{ secrets.API_TOKEN }}
+          group: Collaborators
+          file: ApiDemos-debug.apk
+          mappings: mappings.txt
+          releaseNotes: Has mappings
+          debug: true
+  ios:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Get sample .ipa file for test purposes
+        run: wget https://github.com/bitbar/test-samples/blob/master/apps/ios/bitbar-ios-sample.ipa?raw=true -O sample-ios-app.ipa
+      - name: Upload ipa artifact with symbols file
+        uses: ./
+        with:
+          appName: ${{ secrets.IOS_APP_NAME }}
+          token: ${{ secrets.IOS_API_TOKEN }}
+          group: Collaborators
+          file: sample-ios-app.ipa
+          releaseNotes: Has symbols
+          debug: true
diff --git a/Dockerfile b/Dockerfile
index 23b1f27..c769a55 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,16 @@
-FROM node:12.10.0-alpine
+FROM node:14
 
 WORKDIR /app
 COPY . /app
 
-RUN npm install -g appcenter-cli@2.7.3 \
-    && apk update \
-    && apk add git \
-    && apk add bash
+RUN npm install -g appcenter-cli@2.7.3
+
+RUN mkdir -p /usr/local/lib/aapt/
+RUN wget -q "https://dl.google.com/dl/android/maven2/com/android/tools/build/aapt2/4.0.1-6197926/aapt2-4.0.1-6197926-linux.jar" -O aapt2-all.jar \
+    && mv aapt2-all.jar /usr/local/lib/aapt/aapt2-all.jar \
+    && cd /usr/local/lib/aapt \
+    && unzip -qq aapt2-all.jar \
+    && ln -s /usr/local/lib/aapt/aapt2 /usr/local/bin/aapt2
 
 RUN chmod +x /app/entrypoint.sh
 
diff --git a/README.md b/README.md
index 034db0b..5b59b97 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ This action uploads artifacts (.apk or .ipa) to Visual Studio App Center.
 
 ### `appName`
 
-**Required** username followed by App name e.g. `wzieba/Sample-App`
+**Required** User name preceded by the App Center's username e.g. wzieba/Sample-App
 
 ### `token`
 
@@ -23,15 +23,25 @@ This action uploads artifacts (.apk or .ipa) to Visual Studio App Center.
 
 **Required** Artifact to upload (.apk or .ipa)
 
+### `mappings`
+
+Android mappings.txt file location. See [the documentation](https://developer.android.com/studio/build/shrink-code) for details
+
+### `symbols`
+
+iOS debug symbol file (.dSYM) location. See [the documentation](https://docs.microsoft.com/en-us/appcenter/diagnostics/ios-symbolication) for details
+
 ### `buildVersion`
+
 Build version parameter required for .zip, .msi, .pkg and .dmg files
 
 ### buildNumber
+
 Build number parameter required for macOS .pkg and .dmg files
 
 ### `releaseNotes`
 
-Release notes visible on release page
+Release notes visible on App Center's Release page
 
 ### `gitReleaseNotes`
 
@@ -52,6 +62,7 @@ See Github Actions [documentation](https://docs.github.com/en/actions/creating-a
 
 ## Sample usage
 
+Android:
 ```
 name: Build, code quality, tests
 
@@ -77,6 +88,37 @@ jobs:
         token: ${{secrets.APP_CENTER_TOKEN}}
         group: Testers
         file: app/build/outputs/apk/release/app-release-unsigned.apk
+        mappings: app/build/outputs/mappings/release/mappings.txt
         notifyTesters: true
         debug: false
 ```
+
+iOS:
+```
+name: Build, code quality, tests
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: build release
+      run: ./gradlew assembleRelease
+    - name: upload artefact to App Center
+      uses: wzieba/AppCenter-Github-Action@v1
+      with:
+        appName: wzieba/Sample-App
+        token: ${{secrets.APP_CENTER_TOKEN}}
+        group: Testers
+        file: path/to/iOS.ipa
+        symbols: path/to/crash_symbols.dSYM
+        notifyTesters: true
+```
diff --git a/action.yml b/action.yml
index 9aad221..7033508 100644
--- a/action.yml
+++ b/action.yml
@@ -3,7 +3,7 @@ description: "GitHub Action that uploads artefacts for Visual Studio App Center"
 author: "Wojciech Zięba <@wzieba>"
 inputs:
   appName:
-    description: "App name followed by username e.g. wzieba/Sample-App"
+    description: "App name preceded by the App Center's username e.g. wzieba/Sample-App"
     required: true
   token:
     description: "Upload token - you can get one from appcenter.ms/settings"
@@ -29,6 +29,12 @@ inputs:
   notifyTesters:
     description: "If true, send an email notification to the distribution group"
     required: false
+  mappings:
+    description: "Android mappings.txt file location"
+    required: false
+  symbols:
+    description: "iOS debug symbol file (.dSYM) location."
+    required: false
   debug:
     description: "If true, shows additional information from the action execution"
     required: false
diff --git a/entrypoint.sh b/entrypoint.sh
index 25775bb..0b1af9c 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -7,9 +7,9 @@ params=()
 [ "${INPUT_NOTIFYTESTERS}" != true ] && params+=(--silent)
 [ "${INPUT_DEBUG}" == true ] && params+=(--debug)
 if [ -n "${INPUT_RELEASENOTES}" ]; then
-    RELEASE_NOTES=${INPUT_RELEASENOTES}
+  RELEASE_NOTES=${INPUT_RELEASENOTES}
 elif [ $INPUT_GITRELEASENOTES ]; then
-    RELEASE_NOTES="$(git log -1 --pretty=short)"
+  RELEASE_NOTES="$(git log -1 --pretty=short)"
 fi
 
 if [ -n "${INPUT_BUILDVERSION}" ]; then
@@ -21,11 +21,31 @@ if [ -n "${INPUT_BUILDNUMBER}" ]; then
 fi
 
 for group in $INPUT_GROUP; do
-    if ${isFirst} ; then
-        isFirst=false
-        appcenter distribute release --token "$INPUT_TOKEN" --app "$INPUT_APPNAME" --group $group --file "$INPUT_FILE" --release-notes "$RELEASE_NOTES" "${params[@]}"
-        releaseId=$(appcenter distribute releases list --token "$INPUT_TOKEN"  --app "$INPUT_APPNAME" | grep ID | tr -s ' ' | cut -f2 -d ' ' | sort -n -r | head -1)
-    else
-        appcenter distribute releases add-destination --token "$INPUT_TOKEN" -d $group -t group -r $releaseId --app "$INPUT_APPNAME" "${params[@]}"
-    fi
+  if ${isFirst}; then
+    isFirst=false
+    appcenter distribute release --token "$INPUT_TOKEN" --app "$INPUT_APPNAME" --group $group --file "$INPUT_FILE" --release-notes "$RELEASE_NOTES" "${params[@]}"
+    releaseId=$(appcenter distribute releases list --token "$INPUT_TOKEN" --app "$INPUT_APPNAME" | grep ID | tr -s ' ' | cut -f2 -d ' ' | sort -n -r | head -1)
+  else
+    appcenter distribute releases add-destination --token "$INPUT_TOKEN" -d $group -t group -r $releaseId --app "$INPUT_APPNAME" "${params[@]}"
+  fi
 done
+
+crashUploadParams=()
+[ "${INPUT_DEBUG}" == true ] && crashUploadParams+=(--debug)
+
+if [ "$INPUT_MAPPINGS" ]; then
+  APP_VERSION_NAME=$(/usr/local/bin/aapt2 dump badging "$INPUT_FILE" | grep "versionName=" | sed -e "s/.*versionName='//" -e "s/' .*//")
+  APP_VERSION_CODE=$(/usr/local/bin/aapt2 dump badging "$INPUT_FILE" | grep "versionCode=" | sed -e "s/.*versionCode='//" -e "s/' .*//")
+  if ($INPUT_DEBUG); then
+    echo "Upload mappings $INPUT_MAPPINGS -> $APP_VERSION_NAME -> $APP_VERSION_CODE"
+  fi
+
+  appcenter crashes upload-mappings --token "$INPUT_TOKEN" --app "$INPUT_APPNAME" --mapping "$INPUT_MAPPINGS" --version-name "$APP_VERSION_NAME" --version-code "$APP_VERSION_CODE" "${crashUploadParams[@]}"
+fi
+
+if [ "$INPUT_SYMBOLS" ]; then
+  if ($INPUT_DEBUG); then
+    echo "Upload symbols $INPUT_SYMBOLS"
+  fi
+  appcenter crashes upload-symbols --token "$INPUT_TOKEN" --app "$INPUT_APPNAME" --symbol "$INPUT_SYMBOLS" "${crashUploadParams[@]}"
+fi