diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt
index 525725ab6..5d01cc367 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt
@@ -27,6 +27,7 @@ import org.koitharu.kotatsu.explore.data.SourcesSortOrder
 import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.find
+import org.koitharu.kotatsu.parsers.util.isNumeric
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
@@ -191,11 +192,13 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	var appPassword: String?
 		get() = prefs.getString(KEY_APP_PASSWORD, null)
 		set(value) = prefs.edit {
-			if (value != null) putString(KEY_APP_PASSWORD, value) else remove(
-				KEY_APP_PASSWORD,
-			)
+			if (value != null) putString(KEY_APP_PASSWORD, value) else remove(KEY_APP_PASSWORD)
 		}
 
+	var isAppPasswordNumeric: Boolean
+		get() = prefs.getBoolean(KEY_APP_PASSWORD_NUMERIC, false)
+		set(value) = prefs.edit { putBoolean(KEY_APP_PASSWORD_NUMERIC, value) }
+
 	val isLoggingEnabled: Boolean
 		get() = prefs.getBoolean(KEY_LOGGING_ENABLED, false)
 
@@ -531,6 +534,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_READER_MODE = "reader_mode"
 		const val KEY_READER_MODE_DETECT = "reader_mode_detect"
 		const val KEY_APP_PASSWORD = "app_password"
+		const val KEY_APP_PASSWORD_NUMERIC = "app_password_num"
 		const val KEY_PROTECT_APP = "protect_app"
 		const val KEY_PROTECT_APP_BIOMETRIC = "protect_app_bio"
 		const val KEY_APP_VERSION = "app_version"
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectActivity.kt b/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectActivity.kt
index ff6bf07bf..8ad250394 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectActivity.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectActivity.kt
@@ -44,6 +44,12 @@ class ProtectActivity :
 		viewBinding.buttonNext.setOnClickListener(this)
 		viewBinding.buttonCancel.setOnClickListener(this)
 
+		viewBinding.editPassword.inputType = if (viewModel.isNumericPassword) {
+			EditorInfo.TYPE_CLASS_NUMBER or EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD
+		} else {
+			EditorInfo.TYPE_CLASS_TEXT or EditorInfo.TYPE_TEXT_VARIATION_PASSWORD
+		}
+
 		viewModel.onError.observeEvent(this, this::onError)
 		viewModel.isLoading.observe(this, this::onLoadingStateChanged)
 		viewModel.onUnlockSuccess.observeEvent(this) {
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectViewModel.kt b/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectViewModel.kt
index 7f0d8f5b5..b9a407a4e 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectViewModel.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ProtectViewModel.kt
@@ -8,6 +8,7 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.parsers.util.isNumeric
 import org.koitharu.kotatsu.parsers.util.md5
 import javax.inject.Inject
 
@@ -26,6 +27,9 @@ class ProtectViewModel @Inject constructor(
 	val isBiometricEnabled
 		get() = settings.isBiometricProtectionEnabled
 
+	val isNumericPassword
+		get() = settings.isAppPasswordNumeric
+
 	fun tryUnlock(password: String) {
 		if (job?.isActive == true) {
 			return
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/settings/protect/ProtectSetupViewModel.kt b/app/src/main/kotlin/org/koitharu/kotatsu/settings/protect/ProtectSetupViewModel.kt
index 73b5597b3..95180d359 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/settings/protect/ProtectSetupViewModel.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/settings/protect/ProtectSetupViewModel.kt
@@ -12,6 +12,7 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.parsers.util.isNumeric
 import org.koitharu.kotatsu.parsers.util.md5
 import javax.inject.Inject
 
@@ -39,6 +40,7 @@ class ProtectSetupViewModel @Inject constructor(
 		} else {
 			if (firstPassword.value == password) {
 				settings.appPassword = password.md5()
+				settings.isAppPasswordNumeric = password.isNumeric()
 				onPasswordSet.call(Unit)
 			} else {
 				onPasswordMismatch.call(Unit)