"Management & Clean Master" is is a useful partner.

There is not enough storage on the phone due to too many photos and videos. The manager can easily help you manage them.
-Common file management, photo and video classification management, similar photos and videos, screenshot pictures, continuous shooting of large files, etc., all help you to classify, easily view, compare and select, and delete unnecessary photos more convenient.
-One-click smart management, quick analysis and management of optimized files, freeing up space more quickly, and keeping the phone in good condition.
-Common management tools, video image compression, photo and video contact security lock, password lock protects your locked content..

【Management Master VIP Auto-Renew】
Features:
Unlimited use; Remove Ads; One key operation.
Plans:
Weekly VIP; Monthly VIP; Annual VIP;

-Payment will be charged to iTunes Account at confirmation of purchase.
-Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period.
-Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.
-Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.
-Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

User Agreement: http://rep.szshenao.top/report/iterms.html
Privacy Policy: http://rep.szshenao.top/report/private.html
Technical support: http://rep.szshenao.top/report/support.html