diff --git a/app/src/main/java/io/timelimit/android/logic/applist/CryptoAppListSync.kt b/app/src/main/java/io/timelimit/android/logic/applist/CryptoAppListSync.kt
index 0b20489..07a523c 100644
--- a/app/src/main/java/io/timelimit/android/logic/applist/CryptoAppListSync.kt
+++ b/app/src/main/java/io/timelimit/android/logic/applist/CryptoAppListSync.kt
@@ -21,6 +21,7 @@ import io.timelimit.android.crypto.CryptContainer
 import io.timelimit.android.data.Database
 import io.timelimit.android.data.model.CryptContainerData
 import io.timelimit.android.data.model.CryptContainerMetadata
+import io.timelimit.android.logic.ServerApiLevelInfo
 import io.timelimit.android.proto.build
 import io.timelimit.android.proto.encodeDeflated
 import io.timelimit.android.sync.SyncUtil
@@ -32,8 +33,6 @@ import io.timelimit.proto.applist.InstalledAppsProto
 import io.timelimit.proto.applist.SavedAppsDifferenceProto
 
 object CryptoAppListSync {
-    private const val SIZE_LIMIT_COMPRESSED = 1024 * 256
-
     class TooLargeException(val size: Int): RuntimeException("app list is too big: $size")
 
     suspend fun sync(
@@ -41,7 +40,8 @@ object CryptoAppListSync {
         database: Database,
         installed: InstalledAppsProto,
         syncUtil: SyncUtil,
-        disableLegacySync: Boolean
+        disableLegacySync: Boolean,
+        serverApiLevelInfo: ServerApiLevelInfo
     ) {
         fun dispatch(action: AppLogicAction) {
             if (deviceState.isConnectedMode) {
@@ -49,6 +49,10 @@ object CryptoAppListSync {
             }
         }
 
+        val compressedDataSizeLimit =
+            if (serverApiLevelInfo.hasLevelOrIsOffline(5)) 1024 * 512
+            else 1024 * 256
+
         val savedCrypt = Threads.database.executeAndWait {
             InstalledAppsUtil.getEncryptedInstalledAppsFromDatabaseSync(database, deviceState.id)
         }
@@ -60,7 +64,7 @@ object CryptoAppListSync {
             val baseEncrypted = CryptContainer.encrypt(installed.encodeDeflated(), baseKey)
             val diffEncrypted = CryptContainer.encrypt(SavedAppsDifferenceProto.build(baseEncrypted, InstalledAppsDifferenceProto()).encodeDeflated(), diffKey)
 
-            if (baseEncrypted.size > SIZE_LIMIT_COMPRESSED) throw TooLargeException(baseEncrypted.size)
+            if (baseEncrypted.size > compressedDataSizeLimit) throw TooLargeException(baseEncrypted.size)
 
             Threads.database.executeAndWait {
                 database.cryptContainer().removeDeviceCryptoMetadata(
@@ -133,7 +137,7 @@ object CryptoAppListSync {
                         diffCryptParams.params
                     )
 
-                    if (baseEncrypted.size > SIZE_LIMIT_COMPRESSED) throw TooLargeException(baseEncrypted.size)
+                    if (baseEncrypted.size > compressedDataSizeLimit) throw TooLargeException(baseEncrypted.size)
 
                     Threads.database.executeAndWait {
                         database.cryptContainer().updateMetadata(listOf(
@@ -166,7 +170,7 @@ object CryptoAppListSync {
                         diffCryptParams.params
                     )
 
-                    if (diffEncrypted.size > SIZE_LIMIT_COMPRESSED) throw TooLargeException(diffEncrypted.size)
+                    if (diffEncrypted.size > compressedDataSizeLimit) throw TooLargeException(diffEncrypted.size)
 
                     Threads.database.executeAndWait {
                         database.cryptContainer().updateMetadata(diffCryptParams.newMetadata)
diff --git a/app/src/main/java/io/timelimit/android/logic/applist/SyncInstalledAppsLogic.kt b/app/src/main/java/io/timelimit/android/logic/applist/SyncInstalledAppsLogic.kt
index ef7f77a..654ff0d 100644
--- a/app/src/main/java/io/timelimit/android/logic/applist/SyncInstalledAppsLogic.kt
+++ b/app/src/main/java/io/timelimit/android/logic/applist/SyncInstalledAppsLogic.kt
@@ -137,7 +137,8 @@ class SyncInstalledAppsLogic(val appLogic: AppLogic) {
                     database = appLogic.database,
                     installed = installed,
                     syncUtil = appLogic.syncUtil,
-                    disableLegacySync = deviceState.disableLegacySync
+                    disableLegacySync = deviceState.disableLegacySync,
+                    serverApiLevelInfo = deviceState.serverApiLevel
                 )
             }
         }