McMaster vs BAS Part Sales
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
BAS Part Sales
Easily search and order new, used, and salvaged aviation parts for various aircraft models. Browse a catalog with detailed part information, pictures, and part numbers to keep your aircraft flying.
- Search aviation parts by part number, make, model
- Browse detailed catalog with pictures and part numbers
- Order aircraft parts directly from the app
- Shop new, used, and salvaged aviation parts
- Extensive inventory for various aircraft brands
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The BAS Part Sales app offers easy searching and quick ordering for new, used, salvaged, and new-old stock aviation parts for piston engine and turbine engine aircraft from brands such as Cessna, Learjet, Piper, Robinson, Cirrus, Mooney, Jetstream, Mitsubishi, Beechcraft, Beechjet, JetStar and many more. Easily search over 60,000 aviation parts for sale by part number, make, model, and more. Or browse our detailed catalog and always find the pictures, part numbers, and details you need to keep you out of the hangar and in the clouds. Shop our entire inventory and order aircraft parts directly from the app. BAS Part Sales is the internet’s best aircraft salvage yard with 2 locations in the US totaling more than 150,000 sq ft of warehouse and 180 acres of salvage yard covering nearly every make and model of general aviation, turbine, and business jet aircraft.
Screenshots
Verdict
The clearest difference is rating: BAS Part Sales at 5.0 against McMaster's 4.3. BAS Part Sales also leads on review sentiment (100% vs 68%). McMaster's advantage is update cadence (every 5 weeks vs every 6 months) and ratings volume (220 vs 4). 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.
BAS Part Sales 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 4, 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 BAS Part Sales's.
McMaster ships an update every 5 weeks, BAS Part Sales every 6 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | McMaster | BAS Part Sales |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (220 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 68.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 220 — better | 4 |
| Update frequency | Every 5 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 8 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | McMaster-Carr Supply Company | BAS Part Sales LLC |
Customer experience
McMaster
BAS Part Sales
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
BAS Part Sales
Not enough reviews yet to summarise bugs or requests.
In-app purchases
McMaster
No in-app purchases
BAS Part Sales
No in-app purchases
Questions
Is McMaster free?
Is BAS Part Sales free?
Which has better reviews, McMaster or BAS Part Sales?
Do McMaster or BAS Part Sales have ads?
Which is updated more often, McMaster or BAS Part Sales?
Other comparisons
