Comparison

McMaster vs Caswell Inc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Extensive product catalog
  • Order from mobile
  • Plant and facility supplies
  • Over 800,000 products
Features
Read 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

About

Caswell Inc

Shop for DIY metal finishing supplies, including electroplating and anodizing kits. Get first access to new products, browse the latest collections, and track your orders with a streamlined shopping experience.

Highlights
  • Push notifications for new drops
  • Browse latest collections
  • Streamlined shopping experience
  • Save items to wish list
  • Track orders and manage account
Features
Read full description

Since 1990 - Over 30 years ago, we began to revolutionize the electroplating industry by offering a small, do it yourself Nickel Plating Kit. That kit hasn't changed much in 30 years - it's still producing excellent results for thousands of users all over the world. Two decades later, we've grown to be the world's best supplier of do it yourself metal finishing supplies, including anodizing kits, electroplating kits, metal polishing supplies, bronzing and antiquing supplies, and of course, our world renowned, ethanol resistant Gas Tank Sealer. Caswell Inc is family owned and operated by five family members and a small, core group of dedicated employees. This means you will always be dealing with people who are invested in the success of the business, and you'll get the excellent service you would expect from a small, family run operation. We ship from our location in Lyons, NY in the beautiful Finger Lakes region of New York State. We also have distributors in Canada, Australia and Europe for the convenience of our international customers. Download the Caswell Inc App to get: 1. First access: Get push notifications about new drops and be the first to know. 2. Latest collections: Browse through the latest collections of plating kits. 3. Seamless shopping experience: Enjoy a streamlined shopping experience with convenient search and navigation. 4. Your wish list: Save your favorite items to your wish list and add them to your shopping cart whenever you’re ready. 5. Order tracking: Keep track of your orders and manage your account. Review our app We try to optimize the app every day, in order to give you the best shopping experience. If you like using our app, don’t forget to leave a review in the App Store!

Screenshots

McMaster4 screens
Caswell Inc3 screens

Verdict

The call

The clearest difference is ratings volume: McMaster at 220 against Caswell Inc's 6. McMaster also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (15.0 vs 18). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for McMaster against 4.3 for Caswell Inc. That said, the two scores are not equally well evidenced: McMaster has 220 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

McMaster ships an update every 5 weeks, Caswell Inc every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
McMaster versus Caswell Inc: the parameters behind the verdict, then further details
ParameterMcMasterCaswell Inc
PriceFreeFree
Rating4.3 (220 ratings)4.3 (6 ratings) — better
Positive reviews68.5% of reviews—
Number of ratings220 — better6
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18
Further details — not scored
Size8 MB6 MB
Age rating4+4+
DeveloperMcMaster-Carr Supply CompanyCaswell Inc

Customer experience

McMaster

All ratings219 ratings
Positive81.3%
Neutral6.8%
Negative11.9%
Written reviews73 reviews
Positive68.5%
Neutral8.2%
Negative23.3%

Caswell Inc

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

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 more
  • 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 more
  • 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

Caswell Inc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

McMaster

No in-app purchases

None

Caswell Inc

No in-app purchases

Questions

Is McMaster free?
McMaster is free to download, with no in-app purchases.
Is Caswell Inc free?
Caswell Inc is free to download, with no in-app purchases.
Which has better reviews, McMaster or Caswell Inc?
Caswell Inc is rated higher. McMaster averages 4.3 out of 5 from 220 ratings, while Caswell Inc averages 4.3 from 6 ratings.
Do McMaster or Caswell Inc have ads?
Neither McMaster nor Caswell Inc shows ads.
Which is updated more often, McMaster or Caswell Inc?
McMaster ships an update every 5 weeks, and Caswell Inc every 3 months. Most recently, McMaster was updated on November 1, 2026 and Caswell Inc on November 3, 2026.

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