https://appagg.com/developer/bolden/?hl=en en AppAgg.com Mon, 23 Feb 2026 09:25:06 GMT Mon, 23 Feb 2026 09:25:06 GMT https://appagg.com/developer/bolden/?hl=en https://appagg.com/i/apple-touch-icon.png https://appagg.com/android/tools/sound-level-meter-22132001.html?hl=en Price: Free (Ads)   
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Version: 1.6.2  
By: BOLDEN   
Updated: 2026-02-23 09:25:06 UTC  
Release Date: 2016-06-06 09:25:06 UTC  
Category: Android Apps › Tools  

Description: 
This application, can determine the total noise level, and be used as a spectrum analyzer for the microphone signal. Rate the quality of the microphone bandwidth of your device, using ... 

AppAgg: 
[ Sound Level Meter ]

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]]> Mon, 23 Feb 2026 09:25:06 GMT https://appagg.com/android/tools/protractor-36230715.html?hl=en Price: Free (Ads)   
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Version: 1.1  
By: BOLDEN   
Updated: 2024-10-26 00:58:01 UTC  
Release Date: 2021-06-22 00:57:40 UTC  
Category: Android Apps › Tools  

Description: 
The application allows you to measure the angles of inclination of distant objects through the camera, or use the device as a level by applying the device to a target object with an ... 

AppAgg: 
[ Protractor ]

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]]> Sat, 26 Oct 2024 00:58:01 GMT https://appagg.com/android/tools/calculation-air-oxygen-29377429.html?hl=en Price: Free (Ads)   
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Version: 1.9  
By: BOLDEN   
Updated: 2024-10-25 15:47:01 UTC  
Release Date: 2017-10-25 15:46:49 UTC  
Category: Android Apps › Tools  

Description: 
The application calculates the oxygen content in the air, taking into account humidity and temperature. It can be useful when calibrating by "air" oxygen measuring devices, to take ... 

AppAgg: 
[ Calculation air oxygen ]

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]]> Fri, 25 Oct 2024 15:47:01 GMT https://appagg.com/android-games/educational/mental-arithmetic-39920559.html?hl=en Price: Free (Ads)   
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Version: 1.3  
By: BOLDEN   
Updated: 2024-10-09 20:12:01 UTC  
Release Date: 2014-01-29 20:11:17 UTC  
Category: Android Games › Educational  

Description: 
With this program you can train your abilities mental calculations. You can select one or more mathematical operations, for test cases. Supported by addition, subtraction, ... 

AppAgg: 
[ Mental Arithmetic ]

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]]> Wed, 09 Oct 2024 20:12:01 GMT https://appagg.com/android/tools/sound-oscilloscope-10161363.html?hl=en Price: Free (Ads)   
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Version: 1.21  
By: BOLDEN   
Updated: 2024-09-23 15:30:02 UTC  
Release Date: 2014-06-28 15:29:25 UTC  
Category: Android Apps › Tools  

Description: 
This program turns your device into a simple oscilloscope function of the spectrum analyzer, signal source is the microphone input of your device. With this program you will be able to 

AppAgg: 
[ Sound Oscilloscope ]

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]]> Mon, 23 Sep 2024 15:30:02 GMT https://appagg.com/android/tools/coloring-35751196.html?hl=en Price: Free (Ads)   
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Version: 1.2  
By: BOLDEN   
Updated: 2021-03-17 22:36:02 UTC  
Release Date: 2021-02-12 22:35:06 UTC  
Category: Android Apps › Tools  

Description: 
This application allows you to evaluate the color of the highlighted area in the picture which are obtained from the camera in real time. Color identification (Color picker) in real ... 

AppAgg: 
[ Coloring ]

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]]> Wed, 17 Mar 2021 22:36:02 GMT