# W.W. Grainger, Inc. vs Navien

The clearest difference is review sentiment: W.W. Grainger, Inc. at 65% against Navien's 0%. W.W. Grainger, Inc. also leads on rating (4.8 vs 2.6) and ratings volume (27K vs 33). Navien's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

W.W. Grainger, Inc. holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: W.W. Grainger, Inc. has 27K ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 65% of W.W. Grainger, Inc.'s written reviews are positive against 0% of Navien's.

W.W. Grainger, Inc. ships an update fortnightly, Navien every 4 weeks. The most recent releases landed on September 24, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | W.W. Grainger, Inc. | Navien |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (27K ratings)](https://appshunter.io/ios/app/ww-grainger-inc/id526722540/reviews)** | [2.6 (33 ratings)](https://appshunter.io/ios/app/navien/id1589126852/reviews) |
| Number of ratings | **27K** | 33 |
| Positive reviews | **65.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 93 MB | 29 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [W.W. Grainger, Inc.](https://appshunter.io/developer/379095966) | [Navien](https://appshunter.io/developer/1327385996) |

## What reviewers say

### W.W. Grainger, Inc.

[App page](https://appshunter.io/ios/app/ww-grainger-inc/id526722540)

Access industrial supplies and manage inventory on the go. Quickly search for items, check real-time availability at branches, and scan barcodes to add products to your cart. Get expert help and track orders and pending approvals.

**Highlights:** Real-time item availability, KeepStock inventory management, Barcode scanning for cart addition, Branch locator for pickup, Chat with experts, Manage pending orders and lists, Order history tracking

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Improved search function
- 👍 User-friendly app
- 🚀 Efficient ordering and pickup
- 👍 Helpful and knowledgeable staff
- 🚀 Wide product selection and availability

**What reviewers complain about**

- 🐛 Buggy app with crashes and login issues
- 🔍 Difficult to find products, poor search
- ⚠️ Inconsistent order tracking and notifications
- 💰 High prices compared to competitors
- 🕰️ Slow performance and navigation

**Reported bugs**

- Orders not showing up in order history
- Repeated crashes and login issues
- Inability to select shipping options for pickup orders
- Inconsistent behavior when adding/removing items from cart

**Requested features**

- Ability to search order history and personal lists
- Clearer pricing and shipping cost information
- Improved product details and recommendations
- Seamless integration between app and website


### Navien

[App page](https://appshunter.io/ios/app/navien/id1589126852)

This app provides information on the latest innovations and allows users to log installation and service details for their units. Professionals can access live chat support and register installations, while owners can manage warranties and find local services.

**Highlights:** Log installation and service information, Live chat with support teams, Scan serial numbers for registration, Take job site photos, Search for wholesalers and training, Register units for warranty, Find local installers and service professionals

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is W.W. Grainger, Inc. free?

W.W. Grainger, Inc. is free to download, with no in-app purchases.

### Is Navien free?

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

### Which has better reviews, W.W. Grainger, Inc. or Navien?

W.W. Grainger, Inc. is rated higher. W.W. Grainger, Inc. averages 4.8 out of 5 from 27K ratings, while Navien averages 2.6 from 33 ratings.

### Do W.W. Grainger, Inc. or Navien have ads?

Neither W.W. Grainger, Inc. nor Navien shows ads.

### Which is updated more often, W.W. Grainger, Inc. or Navien?

W.W. Grainger, Inc. ships an update fortnightly, and Navien every 4 weeks. Most recently, W.W. Grainger, Inc. was updated on September 24, 2026 and Navien on August 19, 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.*