The Master Key System

Name: The Master Key System
Rating: 4.7777777 (287 reviews)
Author: MagicBooks Editora

By: MagicBooks Editora

The Complete Book, 1st Edition 1916 - FREE

Features & Capabilities

The Master Key System by Charles F. Haanel, first published in 1916, is a seminal personal development book originally released as a 24-week correspondence course in 1912. This free edition presents the complete first edition, offering readers timeless insights into success and mental power development. Haanel's work has inspired influential figures and popular works including Rhonda Byrne's "The Secret."

Beyond its personal growth teachings, the Master Key System holds a rich history with rumored connections to influential entrepreneurs and controversies. While some suggest it inspired Bill Gates and faced opposition from the Roman Catholic Church, these remain unverified stories. This downloadable Chrome extension provides easy access to this classic text, perfect for those seeking inspiration from foundational self-improvement literature. Discover other classic books on Google Play through this collection.

User Growth & Download Statistics

App Education Books

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Downloads:

Rating:

Version:

4.0 Last updated: 2025-08-27

Version code:

Creation date:

2012-08-25

Publisher country:

Permissions:

com.google.android.gms.permission.AD_ID Moderate risk
android.permission.ACCESS_ADSERVICES_AD_ID Low risk
android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
android.permission.ACCESS_ADSERVICES_TOPICS Low risk
android.permission.FOREGROUND_SERVICE Low risk
android.permission.INTERNET Low risk
android.permission.WAKE_LOCK Low risk
android.permission.ACCESS_NETWORK_STATE Safe
ebook.generico.master.system.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Size:

8.34MB

Email:

va*****@gmail.com

URLs:

Full description:

Source:

Google Play Store

Data ingested on:

2026-06-12

Compare stats and ranking:

Ranking

# 242,211 ▲ 1,681

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Contact the developer

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Developed by:

MagicBooks Editora

Google Play Store

https://play.google.com/store/apps/details?id=ebook.generico.master.system

Email:

va*****@gmail.com

User Reviews

Users praise "The Master Key System" app for its transformative and educational content, highlighting its powerful lessons and 28-week structured format that leads to significant life improvements. The availability of the book in a soft copy format is appreciated. However, some find concentrating while engaging with the material challenging, and one user expressed that the app was useless, indicating some dissatisfaction with the app itself.

Pros

The material is transformative and life-changing based on user feedback.
The content is highly educational and insightful, especially related to the Law of Cause and Effect.
The app provides access to the book in a convenient soft copy format.
Users find the book powerful and a must-read, recommending it multiple times.
The 28-week structured format of the book is emphasized as effective for long-term results.

Cons

The app lacks engagement or features as one user described it as useless.
Some users mention difficulty in maintaining full concentration to get the best results, indicating a learning curve or effort needed.