diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99beca8409..5956af1b8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 - Add Mac Catalyst target ([#1848](https://github.com/getsentry/sentry-dotnet/pull/1848))
 - Add `Distribution` properties ([#1851](https://github.com/getsentry/sentry-dotnet/pull/1851))
 - Add and configure options for the iOS SDK ([#1849](https://github.com/getsentry/sentry-dotnet/pull/1849))
+- Set default `Release` and `Distribution` for iOS and Android ([#1856](https://github.com/getsentry/sentry-dotnet/pull/1856))
 
 ### Fixes
 
diff --git a/src/Sentry/Platforms/Android/SentrySdk.cs b/src/Sentry/Platforms/Android/SentrySdk.cs
index f7343b73cd..1fcbf91652 100644
--- a/src/Sentry/Platforms/Android/SentrySdk.cs
+++ b/src/Sentry/Platforms/Android/SentrySdk.cs
@@ -1,3 +1,5 @@
+using Android.Content.PM;
+using Android.OS;
 using Sentry.Android;
 using Sentry.Android.Callbacks;
 using Sentry.Android.Extensions;
@@ -42,6 +44,10 @@ private static void InitSentryAndroidSdk(SentryOptions options)
         options.AutoSessionTracking = true;
         options.IsGlobalModeEnabled = true;
 
+        // Set default release and distribution
+        options.Release ??= GetDefaultReleaseString();
+        options.Distribution ??= GetDefaultDistributionString();
+
         // "Best" mode throws permission exception on Android
         options.DetectStartupTime = StartupTimeDetectionMode.Fast;
 
@@ -192,4 +198,49 @@ private static void AndroidEnvironment_UnhandledExceptionRaiser(object? _, Raise
             Close();
         }
     }
+
+    private static string? GetDefaultReleaseString()
+    {
+        var context = AndroidContext ?? Application.Context;
+        var packageName = context.PackageName;
+        if (packageName == null)
+        {
+            return null;
+        }
+
+        var packageInfo = context.PackageManager?.GetPackageInfo(packageName, PackageInfoFlags.Permissions);
+        return packageInfo == null ? null : $"{packageName}@{packageInfo.VersionName}+{packageInfo.GetVersionCode()}";
+    }
+
+    private static string? GetDefaultDistributionString() => GetAndroidPackageVersionCode()?.ToString();
+
+    private static long? GetAndroidPackageVersionCode()
+    {
+        var context = AndroidContext ?? Application.Context;
+        var packageName = context.PackageName;
+        if (packageName == null)
+        {
+            return null;
+        }
+
+        var packageInfo = context.PackageManager?.GetPackageInfo(packageName, PackageInfoFlags.Permissions);
+        return packageInfo?.GetVersionCode();
+    }
+
+    private static long? GetVersionCode(this PackageInfo packageInfo)
+    {
+        // The value comes from different property depending on Android version
+        if (AndroidBuild.VERSION.SdkInt >= BuildVersionCodes.P)
+        {
+#pragma warning disable CA1416
+            // callsite only reachable on Android >= P (28)
+            return packageInfo.LongVersionCode;
+#pragma warning restore CA1416
+        }
+
+#pragma warning disable CS0618
+        // obsolete on Android >= P (28)
+        return packageInfo.VersionCode;
+#pragma warning restore CS0618
+    }
 }
diff --git a/src/Sentry/Platforms/iOS/SentrySdk.cs b/src/Sentry/Platforms/iOS/SentrySdk.cs
index 097b1dadb2..f1ba0e5f47 100644
--- a/src/Sentry/Platforms/iOS/SentrySdk.cs
+++ b/src/Sentry/Platforms/iOS/SentrySdk.cs
@@ -18,6 +18,10 @@ private static void InitSentryCocoaSdk(SentryOptions options)
         options.AutoSessionTracking = true;
         options.IsGlobalModeEnabled = true;
 
+        // Set default release and distribution
+        options.Release ??= GetDefaultReleaseString();
+        options.Distribution ??= GetDefaultDistributionString();
+
         // "Best" mode throws platform not supported exception.  Use "Fast" mode instead.
         options.DetectStartupTime = StartupTimeDetectionMode.Fast;
 
@@ -174,4 +178,17 @@ private static void InitSentryCocoaSdk(SentryOptions options)
 
         // TODO: Pause/Resume
     }
+
+    private static string GetDefaultReleaseString()
+    {
+        var packageName = GetBundleValue("CFBundleIdentifier");
+        var packageVersion = GetBundleValue("CFBundleShortVersionString");
+        var buildVersion = GetBundleValue("CFBundleVersion");
+
+        return $"{packageName}@{packageVersion}+{buildVersion}";
+    }
+
+    private static string GetDefaultDistributionString() => GetBundleValue("CFBundleVersion");
+
+    private static string GetBundleValue(string key) => NSBundle.MainBundle.ObjectForInfoDictionary(key).ToString();
 }