# McMaster vs OpticsPlanet.com

The clearest difference is rating: OpticsPlanet.com at 4.9 against McMaster's 4.3. OpticsPlanet.com also leads on ratings volume (15K vs 220) and review sentiment (92% vs 68%). McMaster's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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.

OpticsPlanet.com holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: OpticsPlanet.com has 15K ratings behind it against 220, so its average is the more settled of the two. Written reviews point the same way: 68% of McMaster's written reviews are positive against 92% of OpticsPlanet.com's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | McMaster | OpticsPlanet.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (220 ratings)](https://appshunter.io/ios/app/mcmaster-carr/id611431035/reviews) | **[4.9 (15K ratings)](https://appshunter.io/ios/app/opticsplanetcom/id1062857080/reviews)** |
| Number of ratings | 220 | **15K** |
| Positive reviews | 68.5% of reviews | **91.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 8 MB | 54 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [McMaster-Carr Supply Company](https://appshunter.io/developer/611431038) | [Opticsplanet, Inc.](https://appshunter.io/developer/687362247) |

## 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


### OpticsPlanet.com

[App page](https://appshunter.io/ios/app/opticsplanetcom/id1062857080)

Shop a vast selection of outdoor gear, apparel, and optics for professionals and hobbyists. Browse, purchase, and track orders with a fast, ad-free interface featuring high-quality images and detailed product information.

**Highlights:** Ad-free interface, Fast and safe checkout, High-resolution product images, Detailed product descriptions and reviews, How-to guides and blog posts, Customer service communication, Shipping status tracking

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

**In-app purchases:** none

**What reviewers like**

- 👍 Reliable and fair service
- 🚀 Fast and easy ordering
- 💰 Competitive prices and sales
- 🤝 Excellent customer service
- 🎁 Bonus bucks and rewards program

**What reviewers complain about**

- 🐛 Inventory and backorder issues
- ⏱️ Slow shipping times
- 🔍 Difficult to find specific products in app
- 🤔 Confusing military discount process

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Buyers anonymous support hotline
- Ability to verify military status for discount


## Frequently asked questions

### Is McMaster free?

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

### Is OpticsPlanet.com free?

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

### Which has better reviews, McMaster or OpticsPlanet.com?

OpticsPlanet.com is rated higher. McMaster averages 4.3 out of 5 from 220 ratings, while OpticsPlanet.com averages 4.9 from 15K ratings.

### Do McMaster or OpticsPlanet.com have ads?

Neither McMaster nor OpticsPlanet.com shows ads.

### Which is updated more often, McMaster or OpticsPlanet.com?

McMaster ships an update every 5 weeks, and OpticsPlanet.com every 5 weeks. Most recently, McMaster was updated on October 12, 2026 and OpticsPlanet.com on October 14, 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.*