Master-O For Business

Master-O enables learners to improve skills and boost job performance

Inspire One Technologies · inspireone.mastero

Not rated yet 100K+ downloads v4.5.4 48.9 MB Android 8.0+ PEGI 3 · Everyone

Download APK 48.9 MB All versions

Signature matches the Google Play version Details

Watch the Master-O For Business trailer on YouTube

At a glance

Latest version: v4.5.4 (194)
Updated: Aug 4, 2026 (2 months ago)
APK size: 48.9 MB
Requires: Android 8.0+ (API 26)
CPU support: x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Education (app)
Listed since: Apr 20, 2021 (at least)
Permissions: 14 (4 sensitive)
Website: masteroapp.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Master-O For Business is an app by Inspire One Technologies in the Education category, listed since at least April 2021. It includes native code for x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 4.15.0, the minimum Android version rose from 4.4 to 8.0. It asks for 14 permissions, 4 of them sensitive, including camera, record audio and read shared storage. It asks for the same permissions as version 4.5.3.

What's new in v4.5.4

Performance Improvements & Bug Fixes

Description

From the listing uploaded by “appupdater”.

Master-O is a gamified microlearning app that enables you to improve your skills effortlessly and thereby enhance your performance. Learn Microskills® or bite sized modules on Master-O that are designed on the principles of microlearning, gamification, behavioral psychology & data science. Your organization can use Master-O for a variety of learning objectives ranging from sales training, customer service, product knowledge, compliance, health & safety, leadership & management, personal productivity and more. The app will enable you to become a “Master-Of” many skills that are crucial for your current role and long-term success. Get ready to learn Microskills® and experience the new way of learning using Master-O! **While Master-O is free to download, it is a subscription-based, enterprise app.** Please write to us on [email protected] to get a ‘preview’ of how gamified microlearning can benefit your organization’s digital learning objectives. You can also request your business sponsor to contact us for an enterprise license.

Version history

6 versions are listed, going back to v4.15.0. New versions arrive here every few months. Since v4.5.3 it requires Android 8.0+.

v4.5.4 LATEST Aug 4, 2026 48.9 MB TRUSTED v4.5.3 May 27, 2026 48.9 MB TRUSTED v4.5.2 Mar 24, 2026 51.7 MB TRUSTED v4.5.0 Jan 18, 2026 51.7 MB TRUSTED v4.21.3 Nov 11, 2025 26.3 MB TRUSTED

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 4, 2026.
Certificate issued to “InspireOne pvt. ltd.” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Aug 4, 2026
Validated against Google Play Aug 4, 2026
Signed byCN=Kartik Mohla, OU=Master O, O=InspireOne pvt. ltd., L=Gurgaon, ST=Haryana, C=91
Signing certificate (SHA-1)48:DB:4E:DB:FD:D2:1C:43:97:1B:69:8D:99:C5:24:0D:2D:6D:E8:8A
File MD5f6060d6a51478c2a8fe72fde3bce5d97
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (14)

Master-O For Business requests 14 permissions, 4 of them sensitive.

Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Audio capture android.permission.AUDIO_CAPTURE
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) inspireone.mastero.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Show notifications android.permission.POST_NOTIFICATIONS
Video capture android.permission.VIDEO_CAPTURE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Camera android.hardware.camera
Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone

Master-O For Business APK: questions and answers

Is there a version of Master-O For Business for older Android phones?

The current version needs Android 8.0 or later. Version 4.5.2 is the newest listed build that installs on Android 7.0 and later. Get version 4.5.2 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Master-O For Business APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is f6060d6a51478c2a8fe72fde3bce5d97.