# HPS Library vs AX Fasteners

The clearest difference is update cadence: AX Fasteners at every 2 months against HPS Library's every 6 months. HPS Library's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

HPS Library ships an update every 6 months, AX Fasteners every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | HPS Library | AX Fasteners |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hps-library/id889883596/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 14 MB | 47 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hubbell Power Systems, Inc.](https://appshunter.io/developer/633637559) | [AX Fasteners Pty Ltd](https://appshunter.io/developer/1641313760) |

## What reviewers say

### HPS Library

[App page](https://appshunter.io/ios/app/hps-library/id889883596)

Access and search a comprehensive collection of catalogs and publications from Hubbell Power Systems. Download content for offline viewing, bookmark key pages, and share documents with others via email or social media.

**Highlights:** View and search catalogs, Offline reading, Bookmark pages, Share publications, Web browser viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### AX Fasteners

[App page](https://appshunter.io/ios/app/ax-fasteners/id1641313758)

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

**In-app purchases:** none


## Frequently asked questions

### Is HPS Library free?

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

### Is AX Fasteners free?

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

### Do HPS Library or AX Fasteners have ads?

Neither HPS Library nor AX Fasteners shows ads.

### Which is updated more often, HPS Library or AX Fasteners?

HPS Library ships an update every 6 months, and AX Fasteners every 2 months. Most recently, HPS Library was updated on October 6, 2026 and AX Fasteners on October 11, 2026.

---

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