# BelMetric vs BoltsandNuts.com

The clearest difference is ratings volume: BelMetric at 21 against BoltsandNuts.com's 4. BelMetric also leads on iOS requirement (13.0 vs 16.4). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for BelMetric against 5.0 for BoltsandNuts.com. That said, the two scores are not equally well evidenced: BelMetric has 21 ratings behind it against 4, so its average is the more settled of the two.

BelMetric ships an update weekly, BoltsandNuts.com every 5 days. The most recent releases landed on October 28, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BelMetric | BoltsandNuts.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (21 ratings)](https://appshunter.io/ios/app/belmetric/id6747654332/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/boltsandnutscom/id6806353778/reviews) |
| Number of ratings | **21** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 60 MB | 48 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BEL-METRIC, INC.](https://appshunter.io/developer/1822205619) | [Online Fastener Group, LLC](https://appshunter.io/developer/6806353780) |

## What reviewers say

### BelMetric

[App page](https://appshunter.io/ios/app/belmetric/id6747654332)

Browse and purchase metric fasteners and hardware directly from your mobile device. Access technical drawings, data sheets, and 3D CAD models to ensure you select the correct parts. Streamline your ordering process with custom lists and bulk quote requests.

**Highlights:** Shop metric fasteners and hardware, Access technical drawings and data sheets, View 3D CAD models, Save favorite products with custom lists, Submit bulk quote requests, Fast and reliable ordering

**Features:** macOS Compatibility

**In-app purchases:** none


### BoltsandNuts.com

[App page](https://appshunter.io/ios/app/boltsandnutscom/id6806353778)

Access a vast inventory of fasteners, hardware, tools, and shop essentials directly from your mobile device. Browse, compare, and order the items you need for any project, from individual replacements to bulk quantities.

**Highlights:** Browse thousands of fasteners and hardware, Search and compare product options, Order directly from your phone, Access past orders and products, Shop for tools and shop essentials, Find inch and metric fasteners

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BelMetric free?

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

### Is BoltsandNuts.com free?

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

### Which has better reviews, BelMetric or BoltsandNuts.com?

BelMetric and BoltsandNuts.com are both rated 5.0 out of 5 on the App Store, from 21 and 4 ratings respectively.

### Do BelMetric or BoltsandNuts.com have ads?

Neither BelMetric nor BoltsandNuts.com shows ads.

### Which is updated more often, BelMetric or BoltsandNuts.com?

BelMetric ships an update weekly, and BoltsandNuts.com every 5 days. Most recently, BelMetric was updated on October 28, 2026 and BoltsandNuts.com on October 21, 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.*