McMaster vs Silent Bid Pro
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
Silent Bid Pro
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Silent Bid Pro brings your favorite nonprofit's silent auction to your pocket. Browse beautiful auction items, place a bid in seconds, and follow the action in real time — wherever you are in the room. FOR BIDDERS • Sign in with just your phone number — no passwords to remember. • Browse every item with photos, descriptions, and the current high bid. • Place a quick bid, set a maximum (proxy) bid, or grab an item with Buy It Now. • Live updates show the moment you're outbid — so you never miss your chance. • Keep a watchlist of the items you love. • See all your bids and wins in one place. 100% TO THE CAUSE Every dollar of your winning bid goes to the nonprofit hosting the auction. When you win, you complete payment securely on our website. Any optional buyer's premium or tip — always shown clearly before you pay — supports the free tools that make these fundraisers possible. BUILT FOR GALAS Large, readable type and clear bid states, designed for a live event. Whether it's a school benefit or a hospital gala, Silent Bid Pro keeps the evening moving. Silent Bid Pro is used by nonprofit organizations to run their fundraising auctions. Winning items are physical goods and experiences fulfilled by the hosting organization.
Screenshots
Verdict
The clearest difference is update cadence: Silent Bid Pro at weekly against McMaster's every 5 weeks. McMaster's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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 ships an update every 5 weeks, Silent Bid Pro weekly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.
| Parameter | McMaster | Silent Bid Pro |
|---|---|---|
| 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 | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | PeopleStar Enterprises, Inc. |
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
Silent Bid Pro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
Silent Bid Pro
No in-app purchases
Questions
Is McMaster free?
Is Silent Bid Pro free?
Do McMaster or Silent Bid Pro have ads?
Which is updated more often, McMaster or Silent Bid Pro?
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