McMaster vs Tool Source Warehouse
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
Tool Source Warehouse
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Tool Source Warehouse is a national wholesale distributor with locations in Georgia, Nevada, and Kansas. Our products include an extensive selection of Fasteners, Acoustical, Safety, and Tools. The TSW app features include full access to your online account and account pricing, as well as real time inventory and full order tracking.
Screenshots
Verdict
The clearest difference is update cadence: McMaster at every 5 weeks against Tool Source Warehouse's every 20 months. Tool Source Warehouse's advantage is iOS requirement (12.0 vs 15.0). 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, Tool Source Warehouse every 20 months. The most recent releases landed on September 17, 2026 and May 15, 2026 respectively.
| Parameter | McMaster | Tool Source Warehouse |
|---|---|---|
| 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 — better | Every 20 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | Kodaris, 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
Tool Source Warehouse
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
Tool Source Warehouse
No in-app purchases
Questions
Is McMaster free?
Is Tool Source Warehouse free?
Do McMaster or Tool Source Warehouse have ads?
Which is updated more often, McMaster or Tool Source Warehouse?
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