Technical Pocket Guide

Get technical knowledge as a reference work on your Android!

Schaeffler Gruppe · de.schaeffler.stt

Not rated yet 50K+ downloads v8.1.0 77.8 MB Android 7.1+ PEGI 3 · Everyone

Download APK 77.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v8.1.0 (810)
Updated: May 27, 2026 (4 months ago)
APK size: 77.8 MB
Requires: Android 7.1+ (API 25)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Books & Reference (app)
Permissions: 10
Website: schaeffler.com/apps
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Technical Pocket Guide is an app by Schaeffler Gruppe in the Books & Reference category. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 8.0.6, the APK shrank from 87.6 MB to 77.8 MB. Since version 4.0.1, the minimum Android version rose from 4.4 to 7.1. It asks for 10 permissions, none of them sensitive. It asks for the same permissions as version 8.0.6. The app can read the advertising ID that ad and analytics services use.

What's new in v8.1.0

Updated to the latest version of the STT Texts!

Description

From the listing uploaded by “appupdater”.

Schaeffler’s Technical Pocket Guide in a new edition! Schaeffler's Technical Pocket Guide provides students of technical degree programs, engineers, and technicians alike a compact and mobile reference work to help them in their day-to-day work. Several chapters have been updated in the new edition and the chapters about tolerances and design elements have been expanded. An overview of the individual features is given below: - You can read the STT on your mobile device - Full-text search function - Table of contents with links to the chapters - Individual bookmarks and notes can be saved - Content can be sent quickly and easily by e-mail - Full offline functionality and contact with Schaeffler Get hold of this technical knowledge as a reference work on your mobile device now!

Version history

4 versions are listed, going back to v4.0.1. Since v8.0.5 it requires Android 7.1+.

v8.1.0 LATEST May 27, 2026 77.8 MB TRUSTED v8.0.6 Apr 13, 2026 87.6 MB TRUSTED v8.0.5 Feb 17, 2026 122.6 MB TRUSTED v4.0.1 Oct 12, 2024 82 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on May 27, 2026.
Certificate issued to “Top21_Schaeffler” This is the certificate of the Google Play version.
Same certificate as the 3 other versions checked

Store checks and file details

Developer signature verified May 27, 2026
Validated against Google Play May 27, 2026
Signed byO=Top21_Schaeffler
Signing certificate (SHA-1)4F:F6:E7:48:F4:E9:3F:F9:7C:1A:B8:AA:10:93:F4:CE:12:D3:BC:C1
File MD5f0e9ae268ed090045105a71f2dadc7d8
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 (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (10)

Technical Pocket Guide requests 10 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) de.schaeffler.stt.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Technical Pocket Guide APK: questions and answers

Is there a version of Technical Pocket Guide for older Android phones?

The current version needs Android 7.1 or later. Version 4.0.1 is the newest listed build that installs on Android 4.4 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 4.0.1 · 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 Technical Pocket Guide 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 3 other versions checked. After downloading, check that the file's MD5 is f0e9ae268ed090045105a71f2dadc7d8.