# Arthrex Events App vs CupCalc

The clearest difference is in-app purchases: Arthrex Events App at none against CupCalc's 2. CupCalc's advantage is update cadence (fortnightly vs every 4 months) and iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Arthrex Events App against 5.0 for CupCalc. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Arthrex Events App ships an update every 4 months, CupCalc fortnightly. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Arthrex Events App | CupCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/arthrex-events-app/id1633562656/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cupcalc/id6761444976/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 76 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arthrex](https://appshunter.io/developer/544039678) | [Zekko LLC](https://appshunter.io/developer/1889700014) |

## What reviewers say

### Arthrex Events App

[App page](https://appshunter.io/ios/app/arthrex-events-app/id1633562656)

Access comprehensive information for various Arthrex events, both online and offline. Stay informed with event agendas, speaker details, venue maps, and interactive feedback tools. Connect with event-relevant content and receive important notifications.

**Highlights:** Event agenda and speaker details, Location and venue maps, Notification and alert inbox, Interactive surveys and feedback, Links to event-related content, Offline access to information

**Features:** Vision Pro support

**In-app purchases:** none


### CupCalc

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

This medical reference calculator assists orthopaedic surgeons and trainees in total hip arthroplasty by applying published mathematical formulas to compute acetabular cup targets. It provides detailed calculations based on pelvic incidence, sacral slope, and femoral mobility, with all data traceable to peer-reviewed literature.

**Highlights:** Acetabular cup target computation, Pelvic incidence and sacral slope analysis, Femoral mobility classification, Functional anteversion and inclination targets, Safe zone plot with CSI thresholds, Exportable PDF planning summary

**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 Arthrex Events App free?

Arthrex Events App 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, Arthrex Events App or CupCalc?

Arthrex Events App and CupCalc are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Arthrex Events App or CupCalc have ads?

Neither Arthrex Events App nor CupCalc shows ads.

### Which is updated more often, Arthrex Events App or CupCalc?

Arthrex Events App ships an update every 4 months, and CupCalc fortnightly. Most recently, Arthrex Events App was updated on October 15, 2026 and CupCalc on October 28, 2026.

---

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