Comparison

AO/OTA Fracture Classification vs Implant Identifier

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

Head to head
About

AO/OTA Fracture Classification

This medical reference tool helps physicians and surgeons classify fractures and dislocations using the 2018 AO/OTA system. It provides a streamlined, clinically relevant guide for coding skeletal trauma, aiding in research and outcome assessments.

Highlights
  • 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
Features
Read full description

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

About

Implant Identifier

Instantly identify orthopedic and spine implants from X-rays using AI. This app helps medical professionals recognize unknown implants, access a community of experts, and contribute to a growing library of implant data. Features include AI identification for hips, a community feed for assistance, and a filterable implant library.

Highlights
  • AI-Identify for Hips
  • Community Feed for Expert Help
  • Filterable Implant Library
  • Submit New Implants
  • My Implants History
  • X-ray Recognition
Features
Read full description

Implant Identifier is the fastest way to identify unknown orthopedic and spine implants from x-ray. Now you can instantly identify spine, hip, knee, and shoulder implants with AI. Join our mission to create the world’s most intelligent implant identification platform—powered by AI, built by the community. The new app includes: AI-Identify for Spine, Hip, Knee, and Shoulder – Snap an x-ray and let AI suggest the closest matching implants. Home Feed (Community) – Can't find a match? Ask expert's in our community of surgeons and reps worldwide. Library with Filters – Browse and filter hundreds of common spine and orthopedic implant x-rays. Submit New Implants – Contribute to the growing AI-library and help others in the community. My Implants- Access your previously identified and unidentified implants and share them with your colleagues.

Screenshots

AO/OTA Fracture Classification3 screens
Implant Identifier4 screens

Verdict

The call

The clearest difference is review sentiment: Implant Identifier at 65% against AO/OTA Fracture Classification's 33%. Implant Identifier also leads on rating (4.7 vs 4.3) and update cadence (every 3 weeks vs every 5 months). AO/OTA Fracture Classification's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 15.5). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Implant Identifier holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Implant Identifier has 271 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 33% of AO/OTA Fracture Classification's written reviews are positive against 65% of Implant Identifier's.

UpkeepUpdate frequency

AO/OTA Fracture Classification ships an update every 5 months, Implant Identifier every 3 weeks. Both last shipped on October 29, 2026.

Scorecard6 real differences · 4 level
AO/OTA Fracture Classification versus Implant Identifier: the parameters behind the verdict, then further details
ParameterAO/OTA Fracture ClassificationImplant Identifier
PriceFreeFree
Rating4.3 (15 ratings)4.7 (271 ratings) — better
Positive reviews33.3% of reviews64.5% of reviews — better
Number of ratings15271 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.5
Further details — not scored
Size53 MB128 MB
Age rating17+12+
DeveloperAO FoundationDevise Health

Customer experience

AO/OTA Fracture Classification

All ratings15 ratings
Positive86.7%
Neutral0.0%
Negative13.3%
Written reviews96 reviews
Positive33.3%
Neutral9.4%
Negative57.3%

Implant Identifier

All ratings271 ratings
Positive90.8%
Neutral1.5%
Negative7.7%
Written reviews31 reviews
Positive64.5%
Neutral3.2%
Negative32.3%

In-app purchases

None

AO/OTA Fracture Classification

No in-app purchases

None

Implant Identifier

No in-app purchases

Questions

Is AO/OTA Fracture Classification free?
AO/OTA Fracture Classification is free to download, with no in-app purchases.
Is Implant Identifier free?
Implant Identifier is free to download, with no in-app purchases.
Which has better reviews, AO/OTA Fracture Classification or Implant Identifier?
Implant Identifier is rated higher. AO/OTA Fracture Classification averages 4.3 out of 5 from 15 ratings, while Implant Identifier averages 4.7 from 271 ratings.
Do AO/OTA Fracture Classification or Implant Identifier have ads?
Neither AO/OTA Fracture Classification nor Implant Identifier shows ads.
Which is updated more often, AO/OTA Fracture Classification or Implant Identifier?
AO/OTA Fracture Classification ships an update every 5 months, and Implant Identifier every 3 weeks. Most recently, AO/OTA Fracture Classification was updated on October 29, 2026 and Implant Identifier on October 29, 2026.

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