Comparison

AO Surgery Reference vs Ortho AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AO Surgery Reference

Access a comprehensive online repository of surgical knowledge for fracture management. It provides detailed guidance on diagnosis, treatment, and aftercare for numerous fracture types, supported by extensive illustrations and expert review.

Highlights
  • 353 fracture types covered
  • 172 surgical approaches
  • 1222 surgical procedures
  • Over 30,000 illustrations
  • Feline, canine, and equine fracture care
  • Powerful search function
Features
Read full description

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.

About

Ortho AI

This AI-powered assistant provides evidence-based orthopedic information for healthcare professionals and students. It offers specialized AI agents, literature discovery, and customizable chat responses with PubMed references.

Highlights
  • 11 specialized AI agents
  • Evidence-based answers with PubMed references
  • AI-powered chat with customizable styles
  • Medical literature discovery
  • Offline support
  • Professional, intuitive interface
Features
Read full description

Ortho AI is your AI-powered orthopedic assistant designed for healthcare professionals, medical students, and anyone seeking evidence-based orthopedic information. SPECIALIZED AI AGENTS Access 11 specialized AI agents, each trained for specific orthopedic subspecialties: • General AI - Comprehensive orthopedic coverage • Spine AI - Spinal disorders, degenerative conditions, and spine surgery • Trauma AI - Fracture management and emergency orthopedics • Charnley AI - Hip replacement and joint arthroplasty specialist • Salter AI - Pediatric orthopedics and developmental conditions • Arthros AI - Arthroscopy and minimally invasive procedures • Shoulder AI - Shoulder pathology, rotator cuff, and instability • Hand AI - Hand surgery and upper extremity conditions • Predictive AI - Evidence-based surgical outcome predictions • Ortho Intelligence AI - Advanced orthopedic problem-solving • Aadi-Research AI - Deep research-oriented consultations EVIDENCE-BASED ANSWERS Every response is backed by medical literature. Get PubMed references with your answers to support clinical decision-making and further reading. KEY FEATURES AI-Powered Chat • Real-time streaming responses for instant answers • Customize response styles (Formal, Learning, Concise, Explanatory) • Save and organize chat history • Copy, share, and provide feedback on responses Medical Literature Discovery • Curated orthopedic articles from trusted sources • AI-powered PubMed search • Bookmark articles for quick reference • Browse by orthopedic subspecialty categories Professional Design • Clean, intuitive interface built for medical professionals • Dark mode for comfortable viewing in clinical settings • Offline support for access anywhere • Secure authentication with Apple Sign-In and Google SUBSCRIPTION PLANS Free: • Access to General AI agent • Basic chat functionality Pro Subscription: • All 11 specialized AI agents • Full Discover article access • PubMed search capability • Priority response handling IMPORTANT MEDICAL DISCLAIMER Ortho AI is designed to provide educational information and should not replace professional medical advice, diagnosis, or treatment. Always consult qualified healthcare providers for medical decisions. In case of emergency, contact emergency services immediately. Built with care for orthopedic professionals by AIMD Global. SUBSCRIPTION TERMS • OrthoAI Pro: Monthly auto-renewable subscription • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless canceled at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours prior to the end of the current period • Manage or cancel subscriptions in your App Store account settings after purchase Terms of Use: https://www.orthoai.in/terms-conditions Privacy Policy: https://www.orthoai.in/privacy-policy Questions or feedback? Contact us at info@aimd.global

Screenshots

AO Surgery Reference4 screens
Ortho AI4 screens

Verdict

The call

The clearest difference is in-app purchases: AO Surgery Reference at none against Ortho AI's 1. AO Surgery Reference also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ortho AI sells 1 in-app purchase, starting at $14.99 per month. AO Surgery Reference asks for nothing beyond the download.

UpkeepUpdate frequency

AO Surgery Reference ships an update every 6 months, Ortho AI every 4 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level
AO Surgery Reference versus Ortho AI: the parameters behind the verdict, then further details
ParameterAO Surgery ReferenceOrtho AI
PriceFreeFree
Rating4.4 (14 ratings) — better—
Positive reviews82.2% of reviews—
Number of ratings14 — better—
Update frequencyEvery 6 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size1 MB62 MB
Age rating17+17+
DeveloperAO FoundationCLINICAL ARTIFICIAL INTELLIGENCE MEDI DECISIONS PRIVATE LIMITED

In-app purchases

None

AO Surgery Reference

No in-app purchases

1 purchases

Ortho AI

Subscriptions1
  • OrthoAI Pro$14.991 Month

Questions

Is AO Surgery Reference free?
AO Surgery Reference is free to download, with no in-app purchases.
Is Ortho AI free?
Ortho AI is free to download, with in-app purchases available.
Do AO Surgery Reference or Ortho AI have ads?
Neither AO Surgery Reference nor Ortho AI shows ads.
Which is updated more often, AO Surgery Reference or Ortho AI?
AO Surgery Reference ships an update every 6 months, and Ortho AI every 4 months. Most recently, AO Surgery Reference was updated on September 18, 2026 and Ortho AI on September 17, 2026.

Other comparisons