# McMaster vs West Marine Pro

The clearest difference is rating: West Marine Pro at 4.9 against McMaster's 4.3. West Marine Pro also leads on update cadence (fortnightly vs every 5 weeks) and review sentiment (77% vs 68%). McMaster's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

West Marine Pro holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 220 and 888 respectively. Written reviews point the same way: 68% of McMaster's written reviews are positive against 77% of West Marine Pro's.

McMaster ships an update every 5 weeks, West Marine Pro fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | McMaster | West Marine Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (220 ratings)](https://appshunter.io/ios/app/mcmaster-carr/id611431035/reviews) | **[4.9 (888 ratings)](https://appshunter.io/ios/app/west-marine-pro/id6590632106/reviews)** |
| Number of ratings | 220 | **888** |
| Positive reviews | 68.5% of reviews | **76.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 8 MB | 49 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [McMaster-Carr Supply Company](https://appshunter.io/developer/611431038) | [West Marine, Inc.](https://appshunter.io/developer/1760167011) |

## What reviewers say

### McMaster

[App page](https://appshunter.io/ios/app/mcmaster-carr/id611431035)

Access a vast catalog of industrial and maintenance supplies from your mobile device. Browse and order over 800,000 products for your plant and facility needs.

**Highlights:** Extensive product catalog, Order from mobile, Plant and facility supplies, Over 800,000 products

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 🚀 Fast search and filtering
- 💡 Excellent catalog and product descriptions
- ⭐ Great company and customer service
- 📦 Quick shipping and delivery

**What reviewers complain about**

- 🐛 App is broken/only header loads
- 🐛 App freezes and becomes unresponsive
- 🐛 Navigation is confusing and awkward
- 🐛 App is not phone-friendly
- 🐛 Font size cannot be increased

**Reported bugs**

- Payment method stays loading indefinitely
- Only header loads
- App is broken
- Navigation tools are in awkward locations and don't work half the time
- Screen shifts slightly

**Requested features**

- Re-optimize app for phone use
- Add Apple Pay as a payment option
- Add a toolbar or ribbon for easier navigation
- Make navigation buttons at the top left like other apps
- Add a "is this page helpful?" link


### West Marine Pro

[App page](https://appshunter.io/ios/app/west-marine-pro/id6590632106)

Access a vast catalog of over 100,000 wholesale marine products for boatyards, charter services, and marine businesses. Find parts, check real-time inventory and pricing, and manage orders efficiently on the go.

**Highlights:** Comprehensive product catalog, Wholesale pricing, Advanced search tools, Real-time inventory and pricing, Flexible delivery and pickup options, Digital signer card, Efficient account management

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Easier to use than website
- 🚀 Faster and more stable than website
- 🔑 Allows access to pricing, inventory, orders, and invoices
- 🛒 Convenient for on-the-go ordering and shopping
- 🔍 Barcode scanner for pricing information

**What reviewers complain about**

- 🔑 No option to save login information

**Requested features**

- Save login information


## Frequently asked questions

### Is McMaster free?

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

### Is West Marine Pro free?

West Marine Pro is free to download, with no in-app purchases.

### Which has better reviews, McMaster or West Marine Pro?

West Marine Pro is rated higher. McMaster averages 4.3 out of 5 from 220 ratings, while West Marine Pro averages 4.9 from 888 ratings.

### Do McMaster or West Marine Pro have ads?

Neither McMaster nor West Marine Pro shows ads.

### Which is updated more often, McMaster or West Marine Pro?

McMaster ships an update every 5 weeks, and West Marine Pro fortnightly. Most recently, McMaster was updated on October 24, 2026 and West Marine Pro 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.*