Device Tester - System Checker27.1.2 - App Store

Device Tester: A simple tool for hardware testing with lightweight diagnostic checks for key components.

Key Features:
. Hardware Test:
→ Test Camera, Bluetooth, Audio, Microphone, Keyboard Input, Sensors, and other hardware components.

. System Info Tools:
→ View quick device details including RAM, CPU, storage, network, and battery status.

. Utilities:
→ QR Code Generator
→ Random Selection Tool
→ Storage Cleaner
→ Clipboard Cleaner
→ Flashlight Torch

. Thank you for choosing our app!

Version History Here’s what’s new in this update:

• Fixed bugs.

Thank you for choosing our app! 27.1.2 Oct 3 Here’s what’s new in this update:

• Fixed minor bugs.

Thank you for choosing our app! 27.1.1 Sep 19 Here’s what’s new in this update:
• Added a new Storage Cleaner feature.
• Improved overall stability.
• Fixed a few minor bugs.

Changes in Version 27.0:
• Renamed the app to "Device Tester - System Checker".
• Added Device Tester for hardware diagnostics and component checks.
• Added new tools: QR Code Generator, Random Selection Tool, and Clear Clipboard.
• Added VPN information.
• Remove legacy features that are no longer supported on modern iOS versions.
• Completely redesigned the UI with SwiftUI, following the design language of iOS 26 and later.
• Improved iPad multitasking support.
• Built with the iOS 26 SDK.

Thank you for choosing our app! 27.1 Sep 15 Here’s what’s new in this update:

NEW FEATURES:
• Add new feature: Device Tester for hardware diagnostics and component checks
• Add new tools: QR Code Generator, Random Selection Tool, Clear Clipboard
• Add VPN information

IMPROVEMENTS:
• Entire UI rewritten using SwiftUI
• Improve iPad multitasking support
• Smoother performance and improved stability
• Built with the iOS 26 SDK.

CHANGES:
• Renamed the app to “Device Tester - System Checker”
• Remove legacy features that are no longer supported on modern iOS versions

BUG FIXES:
• Fix crash.
• Fix various bugs.

We’re grateful that you’re still using our app and hope you’ll continue to enjoy this major update. Thank you for your support! 27.0 Sep 15 - Fix Bugs 3.3.5 09/18/2015 - Remove Clean Memory & Clean Disk to compliance with the App Store Review Guidelines.I do apologize for this. These features only update information for Memory or Disk now. 3.3.4 09/12/2015 - Change information about Memory: "Active" Memory also includes "Inactive" memory.
- Fix always crash on iOS 7. 3.3.3 02/26/2015 - Fix minor bugs (GUI).
- KNOWN ISSUE: This version does not run on iOS 7 (only Lite version). You can upgrade to iOS 8 or buy a Pro version or try using the other our app (such as iDoctor Device, Memory & Disk Scanner Pro). 3.3.2 02/19/2015 - RETURN: After we fix some bugs, today, Memory Scanner was returned in this version. Thanks for your patient!
- NEW FEATURE: Disk Scanner (only for Pro version) clean junk / cache files on disk. 3.3.1 02/12/2015 - REMOVE: Memory Scanner. Please note that this feature is removed temporarily due to some issues, it will come back later. If you need to use this feature, please download my new app "iDoctor Device - Battery Memory Disk and System Maintenance" on the AppStore. With the free version of new app you can use "Memory Refresher" for free. I'm sorry for any inconvenient. For further information, please send your feedback in About Section.
- Support iOS 8.
- Support iPhone 6 and iPhone 6 Plus.
- NEW: See info of Network (only for Pro).
- Remove Tips (Notification).
- Remove “Refresh Speed” for Graph.
- In app purchase: Upgrade to Pro (only Lite Version).
- Fix bugs. 3.3.0 02/03/2015 - Fix Bugs. 3.1.2 08/27/2014 - Fix bugs. 3.1.1 08/23/2014 - NEW: Add some new tips and new scan mode.
- ENHANCED: Smart Learning Feature:
+ Easy Mode: auto choose best value for scanner (apply for normal users).
+ Advanced Mode: users manually configure for scanner (apply for advanced users).
+ Fix Bugs.
- ENHANCED: Improve performance for Normal Scan.
- ENHANCED: Improve Automatic Scan mode.
- Fix Bugs.

- Only for Lite Users:
+ Unlock Very Quick & Quick scan mode.
+ Try using Easy Mode of Smart learning feature (Limit, Upgrade to Pro for full feature).

- Only for Pro Users:
+ Easy Mode of Smart Learning automatically choose best value for scanner. (Full feature)
+ Advanced Mode of Smart Learning feature helps you manually configure for scanner to get best performance on your device. 3.1.0 08/22/2014 - NEW: New design.
- ENHANCED: Scanner feature.
- ENHANCED: Auto Scan feature.
- ENHANCED: Smart Learning feature.
- ENHANCED: Light feature more convenient.
- Show inactive memory as free memory (optional, default value is enabled).
- Show result after scanning finish.
- Reduce Interstitials ads.
- Fix minor GUI.
- Fix bugs. 3.0.0 07/28/2014 - New Feature: Smart Learning for scanner: SM will learn best experience for scanning, which improves speed, gets best performance and prevents crash (if any). This feature helps app work stable and best performance for each other device.
- Advanced mode for normal scan and smart scan: normal, deep and automatic.
- Add some tips.
- Fix minor bugs.
- Note: All settings will be set default after installing this version. 2.1.0 07/04/2014 - New Feature: Auto scan when app startup.
- New Feature: User can cancel during scan.
- Improve scan feature (faster).
- Free for light feature.
- Fix bugs. 2.0.0 07/02/2014 - Fix bugs 1.1.6 06/23/2014 - Fix bugs. 1.1.5 06/22/2014 - Fix Bugs. 1.1.4 06/20/2014 - Improve “Scan” feature.
- Fix poor performance when turn off wifi/cellular or no network (Lite version only).
- Fix minor bugs. 1.1.3 06/06/2014 - Add new skin for graph.
- Improve performance.
- Fix minor GUI. 1.1.0 05/23/2014 1.0.0 05/07/2014