AO Surgery Reference

AO recommendations at your fingertips

AO Foundation · af.org.aofoundation.AOSR

3.0 out of 5 (1 rating) 100K+ downloads v1.3.1 1.7 MB Android 5.0+ PEGI 3 · Everyone

Download APK 1.7 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.3.1 (28)
Updated: Sep 2, 2026 (1 month ago)
APK size: 1.7 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Medical (app)
Listed since: Mar 21, 2023 (at least)
Permissions: 3
Website: surgeryreference.aofoundation.org
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

AO Surgery Reference is an app by AO Foundation in the Medical category, listed since at least March 2023. It has no native code, so it runs on any Android processor.

It asks for 3 permissions, none of them sensitive. It asks for the same permissions as version 1.2.9.

What's new in v1.3.1

Bugfixes and improvements

Description

From the listing uploaded by “appupdater”.

QUICK ONLINE REFERENCE IN CLINICAL LIFE Gain easy access to the award-winning AO Surgery Reference. AO Surgery Reference is an online repository for surgical knowledge. It describes the complete surgical management process from diagnosis to aftercare for all fractures of a given anatomical region, and also assembles relevant material that the AO has published before. It gives access to: • aid in surgical decision making for 353 fracture types • 172 approaches • 1222 surgical procedures • all richly illustrated with more than 30'000 Illustrations and much more. To ensure the quality of the content, it is authored, edited, and peer reviewed by experienced AO Faculty from all over the world, some of which are also well-known textbook authors/editors. This is a relaunch of the AO Surgery Reference app utilizing the same responsive user interface that was released February 2020. The highlights are: • Consistent navigational logic and user experience on all screen sizes • Inclusion of feline, canine, and equine fracture care • Combination of Preparation – Approach – Reduction and Fixation – Aftercare into one step called treatment. • Introduction of a powerful search function, allowing simplifications of the user interface as it replaces previous shortcuts.

Version history

3 versions are listed, going back to v1.2.8.

v1.3.1 LATEST Sep 2, 2026 1.7 MB TRUSTED v1.2.9 Jan 31, 2026 1.7 MB TRUSTED v1.2.8 May 28, 2024 1.8 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 2, 2026.
Certificate issued to “AO Foundation / AO Education” 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 Sep 2, 2026
Validated against Google Play Sep 2, 2026
Signed byCN=Tobias Hoevekamp, OU=AO Surgical Reference, O=AO Foundation / AO Education, L=Davos, ST=GR, C=CH
Signing certificate (SHA-1)F1:0F:2C:1E:8B:2A:2A:67:16:8A:8B:77:12:CE:26:31:33:FE:30:6C
File MD588df37ba64931f7350a56d1f65e83890
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 (3)

AO Surgery Reference requests 3 permissions, none of them sensitive.

Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) af.org.aofoundation.AOSR.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait