McMaster vs Utsource
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
Utsource
This app is a professional purchasing tool for electronic components, offering a vast database of ICs, modules, and RF transistors. It features advanced search, detailed product parameters, global payment options, and reliable shipping services.
- Extensive electronic component database
- Advanced search functionality
- Detailed product parameter PDFs
- Global payment system support
- Cooperation with top shipping companies
- Online customer consulting and support
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UTSOURCE is a professional purchasing B2B & B2C tools in electronic components. UTSOURCE characteristic UTSOURCE.net is a professional purchasing B4B & B4C tools in electronic components field. Utsource.net provides different types such as IC, Modules, RF transistors etc., and various product type's PDF parameter form as well as the relevance photographs, we also provide satisfying one-stop package service for customers. FEATURE 1. Search: Simple effective search column ( just require first 4 characters filling in the product type to find your needs), including up to millions of electronic component types, owning huge product information database. 2. Picture: Owning the most product photograph information in this industry, we can give our customers a direct image of the products they want. 3. Parameter: Provide various detailed PDF parameter form of the product type, help customers understand the product's function and the development of product program more conveniently. 4. Pay: Provide global payment system, support more convenient payment, such as TT (wire transfer), Paypal, Western Union, Credit Card etc. 5. Express: By cooperating with the global first-class transport company ( DHL, UPS, FEDEX), providing perfect goods tracking system, ensuring goods delivery timely and accurately to global customers. 6. Service: Provide online consulting by MSN, Yahoo messenger, communicate and solve problems with customers in time, complaint and idea feedback to ensure customers' benefit; offer value added service for customers ( E check for u, E buy for u, E ship to u, E pay for u, and help searching parts that difficult to find).
Screenshots
Verdict
The clearest difference is review sentiment: McMaster at 68% against Utsource's 0%. McMaster also leads on rating (4.3 vs 3.7) and ratings volume (220 vs 3). On price, ads, in-app purchases and monetization model 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 3.7. That said, the two scores are not equally well evidenced: McMaster has 220 ratings behind it against 3, 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 Utsource's.
McMaster ships an update every 5 weeks, Utsource every 3 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.
| Parameter | McMaster | Utsource |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (220 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 68.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 220 — better | 3 |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | UTSOURCE HOLDING COMPANY LIMITED |
Customer experience
McMaster
Utsource
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
Utsource
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
Utsource
No in-app purchases









