# McMaster vs Utsource

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.

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.

## The numbers

| Metric | McMaster | Utsource |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (220 ratings)](https://appshunter.io/ios/app/mcmaster-carr/id611431035/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/utsource/id1076084260/reviews) |
| Number of ratings | **220** | 3 |
| Positive reviews | **68.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 8 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [McMaster-Carr Supply Company](https://appshunter.io/developer/611431038) | [UTSOURCE HOLDING COMPANY LIMITED](https://appshunter.io/developer/1076084259) |

## What reviewers say

### McMaster

[App page](https://appshunter.io/ios/app/mcmaster-carr/id611431035)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 🚀 Fast search and filtering
- 💡 Excellent catalog and product descriptions
- ⭐ Great company and customer service
- 📦 Quick shipping and delivery

**What reviewers complain about**

- 🐛 App is broken/only header loads
- 🐛 App freezes and becomes unresponsive
- 🐛 Navigation is confusing and awkward
- 🐛 App is not phone-friendly
- 🐛 Font size cannot be increased

**Reported bugs**

- 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

**Requested features**

- 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


### Utsource

[App page](https://appshunter.io/ios/app/utsource/id1076084260)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is McMaster free?

McMaster is free to download, with no in-app purchases.

### Is Utsource free?

Utsource is free to download, with no in-app purchases.

### Which has better reviews, McMaster or Utsource?

McMaster is rated higher. McMaster averages 4.3 out of 5 from 220 ratings, while Utsource averages 3.7 from 3 ratings.

### Do McMaster or Utsource have ads?

Neither McMaster nor Utsource shows ads.

### Which is updated more often, McMaster or Utsource?

McMaster ships an update every 5 weeks, and Utsource every 3 months. Most recently, McMaster was updated on October 12, 2026 and Utsource on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*