McMaster vs AMTAN
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
AMTAN
This app provides wholesale premium leather directly to small and medium-sized businesses. Browse sustainably sourced, USA-tanned leather collections and place orders at competitive prices. Options for local pickup and domestic shipping are available.
- Wholesale leather pricing
- Premium leather collections
- Sustainably sourced materials
- USA tanned leather
- Local pickup and domestic shipping
- Browse leather by collection
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American Tanning and Leather LLC (AMTAN) is the world's first tannery to offer premium leather to small and medium sized customers through an app at wholesale prices. We proudly offer sustainably sourced leathers that are always tanned in the USA. Download the app and browse our collections of leather. All prices are in USD. We offer local pickup and domestic shipping options.
Screenshots
Verdict
The clearest difference is rating: AMTAN at 5.0 against McMaster's 4.3. AMTAN also leads on review sentiment (100% vs 68%). McMaster's advantage is ratings volume (220 vs 41). 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.
AMTAN holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: McMaster has 220 ratings behind it against 41, 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 100% of AMTAN's.
McMaster ships an update every 5 weeks, AMTAN monthly. The most recent releases landed on September 17, 2026 and June 4, 2026 respectively.
| Parameter | McMaster | AMTAN |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (220 ratings) | 5.0 (41 ratings) — better |
| Positive reviews | 68.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 220 — better | 41 |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | American Tanning and Leather LLC |
Customer experience
McMaster
AMTAN
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
AMTAN
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
AMTAN
No in-app purchases
