# Strong Cleaner: Free up space — Clean photos, videos, contacts > Mobile phone management tool for cleaning, security, and app control. (iPhone/iPad app by MOTIVITY HK LIMITED.) - Source: https://appshunter.io/ios/app/strong-cleaner-free-up-space/id1564636915 (this page in markdown: same URL + `.md`) - Developer: [MOTIVITY HK LIMITED](https://appshunter.io/developer/1735251420) - Category: Productivity - Price: Free with in-app purchases - Rating: 4.58/5 from 7,133 App Store ratings · 173 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 116 MB - Languages: Dutch, English, French, German, Italian, Japanese, Korean, Malay, Portuguese, Chinese and 6 more - Released: 2021-04-27 - Data updated: 2026-06-10 - Monetization: subscription - User reviews in markdown: https://appshunter.io/ios/app/strong-cleaner-free-up-space/id1564636915/reviews.md ## What is Strong Cleaner? Strong Cleaner is a small and efficient mobile phone management tool. Practical and convenient, easy to operate. • Intelligent photo management to keep the best-quality pictures -Smart categorize similar, blurry, duplicate photos and screenshots -Directly view & quickly delete scanned photos • Use App Management to protect your privay -Lock apps in the specific area or at specific time -Customize the mode to restrict multiple apps in one tap • Keep battery healthy and prolong battery life - Provide real-time and accurate mobile phone battery data - Scientific and professional battery protection solutions and suggestions • Clean up ads, scams and other junk items in the calendar - Quickly filter calendar events within a specified time range - One-click selection and efficient deletion of specified calendar items • Ensure mobile phone data security - Jailbreak Test can help you avoid data Leakage and hacking - WLAN Test to provide safe internet environment • Efficiently cleanup video, free up space -Identify similar videos and filter large videos -Single or multiple videos cleaning • Delete duplicate contacts in the address book -Detect duplicate contact names and phone numbers -Quickly merge duplicate Contacts • Contact Poster -Multiple styles: business style, comic style, casual style -Generate with one click, convenient and fast • Contact widget -Interactive on home screen: call/send message/send email -A variety of small/medium widget sizes • Application management - Kid Mode: -Lock apps not for their age to create healthy mobile phone environment and help children stay away from harmful information -Control usage time to help children form good mobile phone usage habits -Prohibit the installation of apps to prevent children from accidentally downloading harmful apps • Application management - Guest Mode -Prohibit uninstalling apps to protect important data from loss -Immediately lock the application, effective at any time, only you can start it -Prohibit the installation of apps to prevent strangers from downloading unsafe applications • Lock applications by region -Automatic execution after setting: you only need to set it once -Accurate data down to street: you can select the very specific zone to control • Photo StandBy -Showcase your favorite photos on StandBy mode -We offer dynamic and static template Subscription Info: *【Unlimited features】 -All features in our app without ads will be avaible *【Subscriptions】 -weekly subscription: ￥18/week, -monthly subscription: ￥60/month, -quarterly subscription: 158/year, -annual subscription: ￥288/year *【Free trial】 If you renew or cancel the renewal during the free trial period, the free trial rights will not be withdrawn to the user. *【Privacy Policy】 http://strongcleaner.net/Privacy-en.html *【User Agreement】 http://strongcleaner.net/Terms-en.html Please contact us on the feedback page if you have any comments or suggestions. ## Key features - Intelligent photo management - App management and locking - Battery health monitoring - Calendar junk cleanup - Data security tests - Video cleanup - Duplicate contact management ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Strong Clean vip(1 week) | $2.99 | per 7 days | | Strong Clean vip(1 year) | $43.99 | per year | | yearly_plus | $58.99 | per year | | quart_plus | $43.99 | per 3 months | | yealy_plus_off | $65.99 | per year | | Strong Clean Pro 3 months | $58.99 | per 3 months | | Strong Cleaner Premium week | $4.99 | per 7 days | | Strong Clean Vip Pro | $19.49 | per month | | Strong Clean Pro | $6.99 | per 7 days | | Strong Cleaner Premium week | $8.99 | per 7 days | | Strong Cleaner Premium week | $9.99 | per 7 days | ## What do users think of Strong Cleaner? Overall sentiment: negative **Pros** - 🚀 Fast and efficient cleaning - 👍 User-friendly interface - 🔒 Thorough security checks - 💡 Innovative cleaning features - 🚀 Quick and comprehensive cleanup **Cons** - 💰 Expensive subscription model - 🐛 Crashes and freezes - 🔍 Unclear about what is being deleted - 🔍 Lack of transparency about paid features **Commonly reported bugs** - App crashes after every open or click - Cleaning process gets stuck at 26% and doesn't complete - Inability to merge contacts or save changes due to crashes **Most requested features** - Option to preview and select files for deletion - Ability to cancel subscription within the app - More detailed information about cleaning process ## Recent user reviews (10 of 173) All indexed reviews: https://appshunter.io/ios/app/strong-cleaner-free-up-space/id1564636915/reviews.md ### 5/5 — Muy bueno *2025-04-24, version 2.1.0* Súper bueno ### 1/5 — FREE TRIAL?? *2025-04-13, version 2.1.0* It had no free trial DONT DOWNLOAD THIS APP! ### 3/5 — Problema *2025-04-10, version 2.1.0* Al final es mucho trabajo para limpiar el teléfono mucho anuncios innecesarios que va la aplicación no lo elimina no la recomiendo no sirve para nada ### 5/5 — Ult *2025-04-06, version 2.1.0* Aiyana ### 5/5 — Good *2025-04-06, version 2.1.0* Good clean ### 1/5 — Problem *2025-04-04, version 2.1.0* I had gotten this app off a ad which was a total lie it said I wouldn’t have to pay anything but I have to pay just to get my photos cleaned ### 1/5 — Advert said free *2025-03-25, version 2.0.9* Why would I pay £8.99 for a small clean up for a week I would just do it myself instead of paying and I’m never ever going to use this app again and it didn’t even work tried once didn’t work tried again and again never worked 1 star never trust the adds ### 5/5 — Excellent application *2025-03-23, version 2.0.9* It’s a really an excellent application ### 1/5 — SCAM *2025-03-22, version 2.0.9* This so is a bait to steal your $$$ weekly. Shame on Apple for allowing this predatory app to exist. ### 3/5 — I have tried ,but find it difficult to manage. *2025-03-17, version 2.0.9* I’m I ## Frequently asked questions about Strong Cleaner ### What does Strong Cleaner do? Strong Cleaner is a mobile phone management tool designed to free up space, enhance security, and optimize performance. It offers features like intelligent photo and video cleanup, duplicate contact management, app locking, battery health monitoring, and calendar junk removal. ### What are the key features of Strong Cleaner? Key features include intelligent photo management to keep best-quality pictures, app management for privacy and kid/guest modes, battery health monitoring, calendar junk cleanup, data security tests (Jailbreak and WLAN), video cleanup, and duplicate contact merging. It also offers contact poster and widget features. ### How much does Strong Cleaner cost? The app operates on a subscription model with a free trial. Subscription options include weekly, monthly, quarterly, and annual plans. Specific pricing details are available within the app. ### Is Strong Cleaner available on all devices? The provided description does not specify compatibility with different operating systems (iOS or Android). However, it is described as a mobile phone management tool, implying it is designed for smartphones. ### What are the use cases for Strong Cleaner? This app is useful for users who want to free up storage space by cleaning duplicate photos and videos, protect their privacy by locking apps, extend their phone's battery life, and manage their contacts more efficiently. It also provides modes for child safety and guest access. ## Version history (last 5 releases) ### 2.1.1 — 2025-06-05 Fixed bugs ### 2.1.0 — 2025-03-26 Bugs fixes ### 2.0.9 — 2024-12-09 1. Added tutorials for cleaning app cache 2. Other small optimizations ### 2.0.8 — 2024-10-31 Bugs fixes ### 2.0.7 — 2024-10-15 Invite your friends to clean phone space with Strong Cleaner. 1. Solved the photos scanning crash problem 2. Reduce the time spent on app startup 3. Functionality of sharing app added. 4. Accidentally deleted contact information can be restored now 5. Optimize the user experience of selected photos 6. UI optimization 7. Fix other minor issues ## Apps similar to Strong Cleaner | App | Rating | Price | Category | | --- | --- | --- | --- | | [Cleaner: Clean Up Storage](https://appshunter.io/ios/app/cleaner-clean-up-storage/id1452301483) | 4.1 (2,915) | Free | Productivity | | [Cleaner - Smart Cleanup](https://appshunter.io/ios/app/cleaner-smart-cleanup/id1499634651) | 4.4 (8,348) | Free | Productivity | | [Easy Cleaner.](https://appshunter.io/ios/app/easy-cleaner/id519077149) | 4.8 (28,141) | Free | Productivity | | [Cleaner One - Clean Storage](https://appshunter.io/ios/app/cleaner-one-clean-storage/id1156773866) | 4.6 (6,468) | Free | Productivity | | [Quick Cleaner : Clean Storage](https://appshunter.io/ios/app/quick-cleaner-clean-storage/id1611351786) | 4.7 (11,192) | Free | Productivity | | [Cleaner: Merge Contact & Photo](https://appshunter.io/ios/app/cleaner-merge-contact-and-photo/id906910407) | 4.7 (3,949) | Free | Productivity | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*