# Guard Ninja — Protect Phone Against Theft > Phone security alarm app that detects unauthorized movement and theft. (iPhone/iPad app by Jan Slusarz.) - Source: https://appshunter.io/ios/app/guard-ninja/id1475364676 (this page in markdown: same URL + `.md`) - Developer: [Jan Slusarz](https://appshunter.io/developer/1459429277) - Category: Lifestyle, Travel - Price: $1.99 - Rating: 4.50/5 from 46 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 8 MB - Languages: American English - Released: 2019-09-15 - Data updated: 2026-08-23 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/guard-ninja/id1475364676/reviews.md ## What is Guard Ninja? Meet Guard Ninja - the guard of your phone! You don't know how to secure your phone? With this app you can leave your phone alone. Nobody will touch it without launching an alarm. Sleeping in a train or on the airport without anxiety that someone will rob you won’t be a problem. Guard Ninja will warn you in every situation like that. Increase phone security in a simple way! Not only your phone, but also other things nearby can be protected with Guard Ninja app. Simply, put your guarded phone for example into your suitcase. Or lay it down on your wallet or laptop. If someone will try to take your things, alarm will turn on. And you can react quickly. How the app works? You can create your own, customizable alarm. Use different alarms for specific situations. Creating an alarm includes a few elements: Decide what will be your alarm behavior. You can turn on the sound, light or vibration. Behaviors can be mixed, depends on you. Set sensitivity for your alarm. Adjust sensitivity of phone movement which will activate the alarm. Set timers to arm and disarm your alarm. You will have some time to put the phone in a place where you suspect it can be touched and then to turn the alarm off before it will launch. Create your unique password to disarm the alarm. Your alarm list is always visible on home screen. In every moment one of them can be activated. ## Key features - Motion-activated alarm - Customizable alarm sounds, light, and vibration - Adjustable sensitivity settings - Password protection to disarm - Timer for arming and disarming - Protect nearby items like wallets and suitcases ## Chart rankings - #198 in Top Paid · Lifestyle (US App Store) ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/guard-ninja/id1475364676/reviews.md ### 1/5 — Completely unusable *2021-10-16* The OK button is off the edge of the screen and the user interface won't scroll. It's impossible to even create an alarm. ### 1/5 — NFG! *2021-10-16* Could not get alarm to go off on my iPhone 7+ no matter what I did! 😡 ### 2/5 — Useless *2020-10-20* Phone must be left unlocked... lol ### 5/5 — The best phone theft protector app ever *2020-04-24* Hey creator, I used this app for my phone, and it saved my phone from theft! Thank you for developing this app! **Developer response:** Good to hear that:) I hope you and your phone are doing well. Take care! ### 3/5 — 无效,也没提示,不支持ipad *2020-03-23* 无效,也没提示,不支持ipad **Developer response:** I am not going to support iPad for now. Maybe in next versions. But thank you for your feedback, it is important for me! ### 5/5 — Nice;) *2020-01-25* Nice app! This is what I was looking for. I can’t wait for updates with more features. (maybe custom rings, so that I can record myself;)?? **Developer response:** Thank you! Good to hear you like it ;) ### 4/5 — Interesting :) *2020-01-11* Finally I managed to catch my mom trying to get my iphone and read messeges from my friends :D (Only four stars because there is no light mode) **Developer response:** Haha, keep your secrets ;) Thank you for the feedback! ## Frequently asked questions about Guard Ninja ### What is Guard Ninja? Guard Ninja is a security application designed to protect your phone and personal items from theft. It activates an alarm when unauthorized movement is detected, ensuring your belongings are safe. ### How does Guard Ninja protect my belongings? You can place your guarded phone near items like your suitcase or wallet. If someone tries to take them, the alarm will sound, alerting you to the situation. ### Can I customize the alarm in Guard Ninja? Yes, you can create your own customizable alarms. This includes mixing behaviors like sound, light, and vibration, and setting specific sensitivity levels for activation. ### How do I prevent false alarms with Guard Ninja? Guard Ninja allows you to adjust the sensitivity for phone movement that activates the alarm. You can also set timers to arm and disarm the alarm, giving you time to place the phone and then disable it. ### What devices does Guard Ninja support? Guard Ninja is available for iPhone, iPad, and iPod devices, indicated by its compatibility with iOS devices. ### What is the price of Guard Ninja? Guard Ninja is a paid application, priced at $0.99. This one-time purchase provides access to all its security features. ### How often is Guard Ninja updated? The latest version of Guard Ninja is 1.0.6, which was last updated on January 20, 2020. This indicates a release cadence for updates. ### What is the age rating for Guard Ninja? Guard Ninja has an age rating of 4+, making it suitable for users of all ages. This rating suggests the content is appropriate for a wide audience. ## Version history (last 3 releases) ### 2.1 — 2026-07-31 Guard Ninja has been completely rebuilt for modern iPhone: faster, cleaner and more reliable. A fresh redesigned interface, smoother arming and improved motion detection. Thank you for using Guard Ninja! ### 1.0.6 — 2020-01-20 Bug fixes. ### 1.0.3 — 2019-09-14 No release notes. ## Apps similar to Guard Ninja | App | Rating | Price | Category | | --- | --- | --- | --- | | [Sound Analyser](https://appshunter.io/ios/app/sound-analyser/id6447296431) | 4.3 (65) | Free | Lifestyle | | [AdBlock Max](https://appshunter.io/ios/app/adblock-max/id1563318094) | 4.4 (23) | $2.99 | Lifestyle | | [ENTERTAINER with RAQI](https://appshunter.io/ios/app/entertainer-with-raqi/id1501797991) | 4.6 (63) | Free | Lifestyle | | [Sarya App](https://appshunter.io/ios/app/sarya-app/id6443437399) | 3.7 (3) | Free | Lifestyle | | [Laki Pro - Women's Tutorials](https://appshunter.io/ios/app/laki-pro-womens-tutorials/id1478271139) | 3.8 (5) | Free | Lifestyle | | [T-Drive](https://appshunter.io/ios/app/t-drive/id1518923823) | 1.8 (52) | Free | Lifestyle | ## More apps by Jan Slusarz - [Griffee](https://appshunter.io/ios/app/griffee/id6738710888) All apps by Jan Slusarz: https://appshunter.io/developer/1459429277 --- *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 2026-08-23.*