Army Knife for Android

4.5
17.6K reviews
1M+
Downloads
Content rating
Everyone
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About this app

This app contains a set of tiny tools: a unit converter, a compass (magnetometer required), a bubble level, a calculator, a stop watch, a timer, a magnifying glass, a mirror (front camera required), a ruler and a flashlight (app and widget).

Essentially it’s like an "Army Knife" Android app.

Each tool does what it is supposed to do. There's no space for special effects like 3d compass, talking level, psychedelic flashlight etc: the goal is to have a lightweight, fast and easy to use set of tools, one "tap" away from your home screen.

This app is the size of a common "standalone tool" like a compass, a flashlight or a magnifying glass. This way you'll save a lot of disk space. You'll save network consumption too, not only for the first download but for every update too.
It doesn't require network access, the permission to write on your flash memory or the permission to read your contacts.
If you find a bug, please contact us using the "Report a bug" main menu function.

Note:

- Depending on the hardware capabilities of your smartphone, some tools may not be present

- The permission to use the camera is required in order to turn on the camera flash LED. Some smartphones (for instance the Google Nexus S) don't light the flash LED if the camera is not running. If you check the most popular flashlight apps, you'll find out that they all require this permission. Android Army Knife doesn't shot any photos, doesn't save multimedia info onto the flash card and doesn't send anything on the internet: it doesn't require the network permission at all.

- This app was first released on may 2011 and since then is free and without banners!.
The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.
Updated on
Feb 4, 2018

Data safety

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No information available
4.5
17.6K reviews
A Google user
September 14, 2019
Been looking for a multiple timer. Just wish that I could label them individually and that they can be set to repeat (along with the #of times, manually/automatically). Also, wished the ruler would be for more than a few inches, like if I move it from a starting point, it continues. The flashlight should be for the screen too. The mirror should have snapshot capabilities. Otherwise, really awesome.
72 people found this review helpful
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A Google user
November 13, 2018
Lots of handy tools; flashlight, unit converter(how many centimeters in a mile, yep). A couple of the functions are a little silly, the ruler for instance. The levels work pretty well. You just have to take into account any curve in your case or protector. But for seeing if a picture is level, it works great. No annoying ads. Don't know what personal data they gather. Haven't noticed my battery draining faster since I installed the app. It does burn through a charge pretty quick using the flashlight function.
70 people found this review helpful
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A Google user
January 8, 2019
Fantastic. Just fantastic. This is an app that everybody needs on their phone; period. It's a collection of super useful tools that most people spend time in the app store separately, myself included; I found it by chance looking for a 2019 goals app, and I think it may become my favorite app. The "Ruler" tool is a little wonky because of the average phone's screen size, regardless though, download it; you won't regret it.
119 people found this review helpful
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What's new

Timer:
-removed the delay on alarm notification (please test if it works on your device)
-fixed switch between portrait/landscape and vice versa problem
Flashlight:
-fixed the issue that caused the flashlight to turn off entering standby on some devices
-the widget size is back to 1x1 as it was meant to be
All tools:
now every tool is independent. For example you can: 1) start a tool, 2) go back to the launcher, 3) start another tool and you’ll see three different apps in the device apps list