# CupCalc vs RepPrep AI

The clearest difference is in-app purchases: RepPrep AI at none against CupCalc's 2. RepPrep AI also leads on update cadence (weekly vs fortnightly) and ratings volume (5 vs 1). CupCalc's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, rating and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for CupCalc against 5.0 for RepPrep AI. That said, the two scores are not equally well evidenced: RepPrep AI has 5 ratings behind it against 1, so its average is the more settled of the two.

CupCalc ships an update fortnightly, RepPrep AI weekly. The most recent releases landed on October 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CupCalc | RepPrep AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cupcalc/id6761444976/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/repprep-ai/id6778242113/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Zekko LLC](https://appshunter.io/developer/1889700014) | [RepPrep ai](https://appshunter.io/developer/6778242115) |

## What reviewers say

### 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 |


### RepPrep AI

[App page](https://appshunter.io/ios/app/repprep-ai/id6778242113)

This AI-powered assistant helps medical and pharmaceutical sales representatives prepare for their day, find leads, and get compliant product information. It offers hands-free voice guidance to optimize sales calls and territory management.

**Highlights:** AI Voice Assistant for briefings and call guidance, Compliant, on-label product answers, Lead finding and product matching, Smart routing for efficient territory planning, Salesforce CRM synchronization, Hands-free voice mode

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

**In-app purchases:** none


## Frequently asked questions

### Is CupCalc free?

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

### Is RepPrep AI free?

RepPrep AI is free to download, with no in-app purchases.

### Which has better reviews, CupCalc or RepPrep AI?

CupCalc and RepPrep AI are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do CupCalc or RepPrep AI have ads?

Neither CupCalc nor RepPrep AI shows ads.

### Which is updated more often, CupCalc or RepPrep AI?

CupCalc ships an update fortnightly, and RepPrep AI weekly. Most recently, CupCalc was updated on October 28, 2026 and RepPrep AI on October 6, 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.*