McMaster vs R&D 3D Printing
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
R&D 3D Printing
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Discover R&D 3D Printing, your destination for unique 3D printed creations made in Nebraska. Browse our extensive selection of 3D printed products right from your iPhone or iPad. From dragons and animals to fidgets, clickers, bag charms, gifts, and more, there's always something new to discover. With the R&D 3D Printing app you can: • Browse our complete product collection • Discover the latest new arrivals • Save your favorite products for later • Keep your favorites synced across your devices when signed in • Shop and manage your cart • Sign in to your R&D account and view your order history • Find upcoming craft shows, markets, and vendor events where you can shop with us in person • Get directions to upcoming events We're a Nebraska-based small business offering unique 3D printed products for people of all ages. Our inventory is always growing, so check back often to see what's new.
Screenshots
Verdict
The clearest difference is update cadence: R&D 3D Printing at every 2 weeks against McMaster's every 5 weeks. McMaster's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support 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.
McMaster ships an update every 5 weeks, R&D 3D Printing every 2 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | McMaster | R&D 3D Printing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (220 ratings) — better | — |
| Positive reviews | 68.5% of reviews | — |
| Number of ratings | 220 — better | — |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | Randy Naimon |
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
R&D 3D Printing
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
R&D 3D Printing
No in-app purchases
Questions
Is McMaster free?
Is R&D 3D Printing free?
Do McMaster or R&D 3D Printing have ads?
Which is updated more often, McMaster or R&D 3D Printing?
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