McMaster vs 3M Electrical
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
McMaster
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.
- Extensive product catalog
- Order from mobile
- Plant and facility supplies
- Over 800,000 products
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McMaster-Carr is the complete source for everything in your plant. Order over 700,000 products from the palm of your hand. Terms and Conditions: https://www.mcmaster.com/#terms
3M Electrical
Browse and manage a wide range of electrical products with this interactive tool. Create project lists, search for specific items, and download catalogs for offline viewing. Easily share product details with others.
- Create project lists
- Search products by keyword
- Share product information
- Download catalog for offline access
- Interactive product exploration
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Explore the thousands of electrical products manufactured by 3M with this interactive application that will allow you to: - Create a project list - Search for a particular product or keyword - Share product information - Download the catalog for offline access - And much more!
Screenshots
Verdict
The clearest difference is update cadence: McMaster at every 5 weeks against 3M Electrical's every 6 months. McMaster also leads on ratings volume (220 vs 4) and review sentiment (68% vs 50%). 3M Electrical's advantage is iOS requirement (10.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.3 for McMaster against 4.3 for 3M Electrical. That said, the two scores are not equally well evidenced: McMaster has 220 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 68% of McMaster's written reviews are positive against 50% of 3M Electrical's.
McMaster ships an update every 5 weeks, 3M Electrical every 6 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | McMaster | 3M Electrical |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (220 ratings) | 4.3 (4 ratings) |
| Positive reviews | 68.5% of reviews — better | 50.0% of reviews |
| Number of ratings | 220 — better | 4 |
| Update frequency | Every 5 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | Dirxion LLC |
Customer experience
McMaster
3M Electrical
Bugs and requests
McMaster
Reported bugs
25 issues- 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
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- Occasionally freezes and doesn't respond to touch
- App is a little buggy
- Latest update won't load
- No estimate of shipping costs before completion of purchase
- App hijacks clicked URLs
- App will not open
- Shows 'No internet connection' when using the app
- Checkout screen has bugs
- Asks to enter ship to address even if shown
- Cannot enter credit card information
- Placing an order is a real pain
- Kept asking for the same things to be entered over and over
- Cart is terrible, no clear way to view items
- Shipping methods don't have predetermined options
- Forward parts request doesn't work
- Cannot save a copy on phone
- App doesn't show saved orders from website
- Missing order history and tracking
- Cannot print item page
- App doesn't show saved orders
Requested features
11 requests- 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
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- Add links for CAD files like on the website
- Add general search functionality
- Add ability to print
- Add order history and tracking
- Add PDF drawing download
- Add access to saved orders
3M Electrical
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
3M Electrical
No in-app purchases
Questions
Is McMaster free?
Is 3M Electrical free?
Which has better reviews, McMaster or 3M Electrical?
Do McMaster or 3M Electrical have ads?
Which is updated more often, McMaster or 3M Electrical?
Other comparisons
