diff --git a/locales/en.json b/locales/en.json
index 3681fd847..34258187e 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -35,6 +35,10 @@
     "app_requirements_failed": "Unable to meet requirements for {app}: {error}",
     "app_requirements_unmeet": "Requirements are not met for {app}, the package {pkgname} ({version}) must be {spec}",
     "app_sources_fetch_failed": "Unable to fetch sources files",
+    "app_start_install": "Installing application {app}…",
+    "app_start_remove": "Removing application {app}…",
+    "app_start_backup": "Collecting files to be backuped for {app}…",
+    "app_start_restore": "Restoring application {app}…",
     "app_unknown": "Unknown app",
     "app_unsupported_remote_type": "Unsupported remote type used for the app",
     "app_upgrade_several_apps": "The following apps will be upgraded : {apps}",
@@ -65,6 +69,7 @@
     "ask_path": "Path",
     "backup_abstract_method": "This backup method hasn't yet been implemented",
     "backup_action_required": "You must specify something to save",
+    "backup_actually_backuping": "Now creating a backup archive from the files collected…",
     "backup_app_failed": "Unable to back up the app '{app:s}'",
     "backup_applying_method_borg": "Sending all files to backup into borg-backup repository…",
     "backup_applying_method_copy": "Copying all files to backup…",
@@ -101,6 +106,7 @@
     "backup_method_copy_finished": "Backup copy finished",
     "backup_method_custom_finished": "Custom backup method '{method:s}' finished",
     "backup_method_tar_finished": "Backup tar archive created",
+    "backup_mount_archive_for_restore": "Preparing archive for restoration…",
     "backup_no_uncompress_archive_dir": "Uncompress archive directory doesn't exist",
     "backup_nothings_done": "There is nothing to save",
     "backup_output_directory_forbidden": "Forbidden output directory. Backups can't be created in /bin, /boot, /dev, /etc, /lib, /root, /run, /sbin, /sys, /usr, /var or /home/yunohost.backup/archives sub-folders",
@@ -108,7 +114,6 @@
     "backup_output_directory_required": "You must provide an output directory for the backup",
     "backup_output_symlink_dir_broken": "You have a broken symlink instead of your archives directory '{path:s}'. You may have a specific setup to backup your data on an other filesystem, in this case you probably forgot to remount or plug your hard dirve or usb key.",
     "backup_php5_to_php7_migration_may_fail": "Could not convert your archive to support php7, your php apps may fail to restore (reason: {error:s})",
-    "backup_running_app_script": "Running backup script of app '{app:s}'…",
     "backup_running_hooks": "Running backup hooks…",
     "backup_system_part_failed": "Unable to backup the '{part:s}' system part",
     "backup_unable_to_organize_files": "Unable to organize files in the archive with the quick method",
diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 5e7f17b6e..f5746fd4b 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -801,6 +801,8 @@ def app_install(operation_logger, auth, app, label=None, args=None, no_remove_on
     operation_logger.related_to.append(("app", app_id))
     operation_logger.start()
 
+    logger.info(m18n.n("app_start_install", app=app_id))
+
     # Create app directory
     app_setting_path = os.path.join(APPS_SETTING_PATH, app_instance_name)
     if os.path.exists(app_setting_path):
@@ -921,6 +923,8 @@ def app_remove(operation_logger, auth, app):
 
     operation_logger.start()
 
+    logger.info(m18n.n("app_start_remove", app=app))
+
     app_setting_path = APPS_SETTING_PATH + app
 
     # TODO: display fail messages from script
diff --git a/src/yunohost/backup.py b/src/yunohost/backup.py
index ed7799fc1..36d732114 100644
--- a/src/yunohost/backup.py
+++ b/src/yunohost/backup.py
@@ -668,7 +668,7 @@ class BackupManager():
         tmp_app_bkp_dir = env_dict["YNH_APP_BACKUP_DIR"]
         settings_dir = os.path.join(self.work_dir, 'apps', app, 'settings')
 
-        logger.debug(m18n.n('backup_running_app_script', app=app))
+        logger.info(m18n.n("app_start_backup", app=app))
         try:
             # Prepare backup directory for the app
             filesystem.mkdir(tmp_app_bkp_dir, 0o750, True, uid='admin')
@@ -1242,6 +1242,8 @@ class RestoreManager():
         operation_logger = OperationLogger('backup_restore_app', related_to)
         operation_logger.start()
 
+        logger.info(m18n.n("app_start_restore", app=app_instance_name))
+
         # Check if the app is not already installed
         if _is_installed(app_instance_name):
             logger.error(m18n.n('restore_already_installed_app',
@@ -2059,6 +2061,7 @@ def backup_create(name=None, description=None, methods=[],
     backup_manager.collect_files()
 
     # Apply backup methods on prepared files
+    logger.info(m18n.n("backup_actually_backuping"))
     backup_manager.backup()
 
     logger.success(m18n.n('backup_created'))
@@ -2127,6 +2130,7 @@ def backup_restore(auth, name, system=[], apps=[], force=False):
     # Mount the archive then call the restore for each system part / app    #
     #
 
+    logger.info(m18n.n("backup_mount_archive_for_restore"))
     restore_manager.mount()
     restore_manager.restore()