# Implant Identifier vs RI.HIP MODELER

The clearest difference is update cadence: Implant Identifier at every 3 weeks against RI.HIP MODELER's every 9 months. Implant Identifier also leads on ratings volume (271 vs 1) and device support (3 vs 1). RI.HIP MODELER's advantage is monetization model (free vs free with in-app purchases) and rating (5.0 vs 4.7). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RI.HIP MODELER holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Implant Identifier has 271 ratings behind it against 1, so its average is the more settled of the two.

Implant Identifier ships an update every 3 weeks, RI.HIP MODELER every 9 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Implant Identifier | RI.HIP MODELER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (271 ratings)](https://appshunter.io/ios/app/implant-identifier/id1343366864/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rihip-modeler/id1545374190/reviews)** |
| Number of ratings | **271** | 1 |
| Positive reviews | 64.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 128 MB | 190 MB |
| Requires iOS | **15.5** | 17 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 17+ |
| Developer | [Devise Health](https://appshunter.io/developer/1006656243) | [Smith & Nephew](https://appshunter.io/developer/549124657) |

## What reviewers say

### Implant Identifier

[App page](https://appshunter.io/ios/app/implant-identifier/id1343366864)

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:** Vision Pro support

**In-app purchases:** none


### RI.HIP MODELER

[App page](https://appshunter.io/ios/app/rihip-modeler/id1545374190)

This medical application assists surgeons in planning total hip arthroplasty by visualizing patient images and analyzing spinopelvic mobility. It helps determine optimal acetabular cup placement based on patient-specific data and implant specifications, aiming to reduce impingement.

**Highlights:** Total Hip Arthroplasty planning, Acetabular cup rotational selection, Spinopelvic mobility analysis, Patient-specific pelvic tilt determination, Simulation database integration, Impingement reduction recommendations

**In-app purchases:** none


## Frequently asked questions

### Is Implant Identifier free?

Implant Identifier is free to download, with no in-app purchases.

### Is RI.HIP MODELER free?

RI.HIP MODELER is free to download, with no in-app purchases.

### Which has better reviews, Implant Identifier or RI.HIP MODELER?

RI.HIP MODELER is rated higher. Implant Identifier averages 4.7 out of 5 from 271 ratings, while RI.HIP MODELER averages 5.0 from 1 ratings.

### Do Implant Identifier or RI.HIP MODELER have ads?

Neither Implant Identifier nor RI.HIP MODELER shows ads.

### Which is updated more often, Implant Identifier or RI.HIP MODELER?

Implant Identifier ships an update every 3 weeks, and RI.HIP MODELER every 9 months. Most recently, Implant Identifier was updated on October 29, 2026 and RI.HIP MODELER on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*