McMaster vs Platt Mobile
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
Read full descriptionHide full description
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
Platt Mobile
This shopping app allows users to easily search for products, place orders, and access their account information. It features a barcode scanner, voice search, and branch location finder for a convenient shopping experience.
- Product search
- Placing orders
- Barcode scanner
- Voice search
- Account access
- Bill pay
Read full descriptionHide full description
The Platt Mobile app has been built to work with the features and capabilities of the Platt webshop.
Screenshots
Verdict
The clearest difference is review sentiment: McMaster at 68% against Platt Mobile's 0%. McMaster also leads on rating (4.3 vs 2.3) and ratings volume (220 vs 30). On price, update cadence, 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.
McMaster holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: McMaster has 220 ratings behind it against 30, 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 0% of Platt Mobile's.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 17, 2026 and August 21, 2026 respectively.
| Parameter | McMaster | Platt Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (220 ratings) — better | 2.3 (30 ratings) |
| Positive reviews | 68.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 220 — better | 30 |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 8 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | Rexel USA, Inc. |
Customer experience
McMaster
Platt Mobile
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
Show 20 moreShow fewer
- 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
Show 6 moreShow fewer
- 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
Platt Mobile
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
Platt Mobile
No in-app purchases
