# Implant Identifier vs CupCalc

The clearest difference is in-app purchases: Implant Identifier at none against CupCalc's 2. Implant Identifier also leads on ratings volume (269 vs 1). CupCalc's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CupCalc sells 2 in-app purchases, starting at $12.99 per year. Implant Identifier asks for nothing beyond the download.

CupCalc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Implant Identifier has 269 ratings behind it against 1, so its average is the more settled of the two.

Implant Identifier ships an update every 3 weeks, CupCalc fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Implant Identifier | CupCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (269 ratings)](https://appshunter.io/ios/app/implant-identifier/id1343366864/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cupcalc/id6761444976/reviews)** |
| Number of ratings | **269** | 1 |
| Positive reviews | 63.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 128 MB | 42 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Devise Health](https://appshunter.io/developer/1006656243) | [Zekko LLC](https://appshunter.io/developer/1889700014) |

## 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


### CupCalc

[App page](https://appshunter.io/ios/app/cupcalc/id6761444976)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CupCalc Express | $12.99 | per year |
| CupCalc Pro | $19.99 | per year |


## Frequently asked questions

### Is Implant Identifier free?

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

### Is CupCalc free?

CupCalc is free to download, with in-app purchases available.

### Which has better reviews, Implant Identifier or CupCalc?

CupCalc is rated higher. Implant Identifier averages 4.7 out of 5 from 269 ratings, while CupCalc averages 5.0 from 1 ratings.

### Do Implant Identifier or CupCalc have ads?

Neither Implant Identifier nor CupCalc shows ads.

### Which is updated more often, Implant Identifier or CupCalc?

Implant Identifier ships an update every 3 weeks, and CupCalc fortnightly. Most recently, Implant Identifier was updated on October 24, 2026 and CupCalc on October 24, 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.*