# AO/OTA Fracture Classification > Medical reference for classifying fractures and dislocations using the AO/OTA system. (iPhone/iPad app by AO Foundation.) - Source: https://appshunter.io/ios/app/aoota-fracture-classification/id399757053 (this page in markdown: same URL + `.md`) - Developer: [AO Foundation](https://appshunter.io/developer/399757056) - Category: Medical, Reference - Price: Free - Rating: 4.10/5 from 16 App Store ratings · 27 written reviews indexed - Age rating: 17+ - Requires: iOS 11.0 · 53 MB - Languages: American English - Released: 2010-11-10 - Data updated: 2026-08-21 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/aoota-fracture-classification/id399757053/reviews.md ## What is AO/OTA Fracture Classification? Tool for classifying fractures The 2018 AO/OTA Fracture and Dislocation Classification is a streamlined, concise, and clinically relevant tool for coding fractures and dislocations. It is the standard classification used by trauma surgeons and physicians dealing with skeletal trauma worldwide. The Classification was revised in 2018 and the new app was updated to reflect these changes. The app provides beginners and experts with a reference tool to: • Learn how to apply the classification system • Utilize common terminology when classifying fractures • Apply the principles of fracture classification • Provide standard codes for research purposes The content and design of the app makes the Classification simpler to use. The AO/OTA Classification app makes injury descriptions more reliable, thus improving research and fracture outcomes assessments. Features: • Information regarding radiological investigations used for classifying a specific fracture • Common pitfalls with imaging are addressed • All new fracture illustrations • High-quality, enlargeable x-rays are included • Fracture codes can be added to "Favorites" for personalized reference • The new "Search" function allows users to quickly access any fracture code • Principles of fracture classification ## Key features - Classify fractures and dislocations - Utilize common terminology - Apply classification principles - Provide standard codes for research - Information on radiological investigations - High-quality, enlargeable x-rays - Search function for fracture codes ## Recent user reviews (10 of 27) All indexed reviews: https://appshunter.io/ios/app/aoota-fracture-classification/id399757053/reviews.md ### 1/5 — 使えない *2025-06-26* アプリ内の骨折のイメージ画像が出ないので使い物にならない。 ### 1/5 — いつまでも開かない *2025-04-28* アプリの起動すらままならない ### 1/5 — Crash when open *2022-06-23* I try to open the app on both iPad and iPhone but instantly get crashed out. Until it’s fixed it’s a 1 star ### 1/5 — 。 *2022-06-21* すぐに落ちてしまう。 ### 2/5 — Not working in ios15 *2022-06-20* Not working in ios15. Suddenly stopping after opening the app ### 1/5 — すぐに落ちる *2022-06-20* 修正してください ### 1/5 — Not working *2022-06-08* Not working in my iOS devices ### 1/5 — Crashing *2022-06-03* App keeps crashing upon opening... ### 1/5 — 落ちる *2022-05-31* 落ちる ### 1/5 — 使用困難 *2022-05-24* ここ最近アプリを起動して5秒経たないうちに落ちてしまい、分類ができません ## Frequently asked questions about AO/OTA Fracture Classification ### What is AO/OTA Fracture Classification? AO/OTA Fracture Classification is a medical reference tool designed for coding fractures and dislocations. It utilizes the 2018 AO/OTA system, which is a standard classification used by trauma surgeons and physicians worldwide for skeletal trauma. ### Who developed AO/OTA Fracture Classification? The AO/OTA Fracture Classification app was developed by the AO Foundation, an organization known for its contributions to orthopedic trauma research and education. ### What are the key benefits of using AO/OTA Fracture Classification? The app simplifies the classification system, making injury descriptions more reliable. This improved reliability can lead to better research outcomes and assessments of fracture results. ### Does AO/OTA Fracture Classification include visual aids? Yes, the app features all new fracture illustrations and high-quality, enlargeable x-rays to assist users in classifying specific fractures. ### Can I save frequently used fracture codes in AO/OTA Fracture Classification? Yes, the app allows users to add fracture codes to a "Favorites" section for personalized and quick reference. ### How frequently is AO/OTA Fracture Classification updated? The app was last updated on June 26, 2022, with version 2.4.2. It was initially released on November 10, 2010, and has undergone revisions to reflect changes in the classification system. ### What devices support AO/OTA Fracture Classification? AO/OTA Fracture Classification is supported on iPhone, iPad, and iPod devices, making it accessible for medical professionals on various Apple platforms. ### Is AO/OTA Fracture Classification suitable for all ages? The app has an age rating of 17+, indicating it is intended for adult users, specifically medical professionals who require this specialized classification tool. ## Version history (last 5 releases) ### 2.4.2 — 2022-06-26 We fixed a crash during the app startup. Sorry for the inconvenience. ### 2.4.1 — 2019-11-26 improvements and bugfixes for iOS 12 devices ### 2.4 — 2019-11-05 - Logo update - Dark Mode Support - Improved iOS 13 Support ### 2.3 — 2018-12-22 minor updates for 2019 happy holidays! ### 2.2 — 2018-10-11 New copy and paste function to help incorporate the classification into your work ## Apps similar to AO/OTA Fracture Classification | App | Rating | Price | Category | | --- | --- | --- | --- | | [Vumedi](https://appshunter.io/ios/app/vumedi/id1074275721) | 4.9 (4,072) | Free | Medical | | [The Arthrex Surgeon App](https://appshunter.io/ios/app/the-arthrex-surgeon-app/id830821565) | 4.8 (28) | Free | Medical | | [Ped(z) - Pediatric Calculator](https://appshunter.io/ios/app/pedz-pediatric-calculator/id498776330) | 4.0 (3) | Free | Medical | | [Calculate by QxMD](https://appshunter.io/ios/app/calculate-by-qxmd/id361811483) | 4.8 (5,100) | Free | Medical | | [CardioCal](https://appshunter.io/ios/app/cardiocal/id918099010) | 3.7 (3) | Free | Medical | | [IMAIOS e-Anatomy](https://appshunter.io/ios/app/imaios-e-anatomy/id334876403) | 4.9 (1,403) | Free | Medical | ## More apps by AO Foundation - [AO Surgery Reference](https://appshunter.io/ios/app/ao-surgery-reference/id403961165) - [AO Trauma Orthogeriatrics](https://appshunter.io/ios/app/ao-trauma-orthogeriatrics/id903074010) - [AO Companion](https://appshunter.io/ios/app/ao-companion/id6657984229) - [myAO 2.0](https://appshunter.io/ios/app/myao-20/id6749233945) All apps by AO Foundation: https://appshunter.io/developer/399757056 ## Related topics [ortho traumapedia](https://appshunter.io/ios/topics/ortho-traumapedia) · [bones broke](https://appshunter.io/ios/topics/bones-broke) · [ao surgery reference](https://appshunter.io/ios/topics/ao-surgery-reference) · [fractures classification app](https://appshunter.io/ios/topics/fractures-classification-app) · [vumedi](https://appshunter.io/ios/topics/vumedi) · [orthobullets](https://appshunter.io/ios/topics/orthobullets) · [fractures](https://appshunter.io/ios/topics/fractures) · [ortho guidelines](https://appshunter.io/ios/topics/ortho-guidelines) · [orthopedic app](https://appshunter.io/ios/topics/orthopedic-app) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*