All is an Android application developed by Owly Labs that offers a vast collection of high-quality e-books and audiobooks focused on personal development. The program is free to download, and you can purchase any book or audiobook from the app.

The app's library is divided into three main categories: "Philosophy, Religion, Spirituality," "Applied Psychology," and "Medicine and Health." Here you can find works from renowned authors such as Vadim Zeland, Vitaly Gibert, Dmitry Leushkin, Vladimir Muranov, Alexei Pokhabov, Karen Casey, Ryuho Okawa, Osho, Rudiger Dahlke, Michael Rainbow, George Sytin, and many others. Additionally, the app has a new section dedicated to Tarot.

All offers push-notifications to alert you of promotions, discounts, and free book giveaways. However, the app does not ask for personal information or contact the developer.

In summary, All is an excellent app for those interested in personal development and self-help literature. Its vast library and diverse categories make it easy to find a book or audiobook that suits your interests.