# PAX POSLink vs AuthX Vault

The clearest difference is device support: AuthX Vault at 3 against PAX POSLink's 1. AuthX Vault also leads on iOS requirement (13.0 vs 15.0). 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.

PAX POSLink ships an update every 6 months, AuthX Vault every 8 months. The most recent releases landed on June 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PAX POSLink | AuthX Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pax-poslink/id1094580314/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | Free | — |
| Size | 3 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PAX Technology, Inc](https://appshunter.io/developer/1215492463) | [AuthX Security LLC](https://appshunter.io/developer/1841460812) |

## What reviewers say

### PAX POSLink

[App page](https://appshunter.io/ios/app/pax-poslink/id1094580314)

This application facilitates point-of-sale payment processing for PAX devices. It integrates seamlessly with PAX Technology's payment solutions, enabling efficient transaction management for businesses.

**Highlights:** POS payment processing, PAX device integration, Transaction management, Seamless integration solutions

**Features:** macOS Compatibility

**In-app purchases:** none


### AuthX Vault

[App page](https://appshunter.io/ios/app/authx-vault/id6443798510)

**In-app purchases:** none


## Frequently asked questions

### Is PAX POSLink free?

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

### Is AuthX Vault free?

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

### Do PAX POSLink or AuthX Vault have ads?

Neither PAX POSLink nor AuthX Vault shows ads.

### Which is updated more often, PAX POSLink or AuthX Vault?

PAX POSLink ships an update every 6 months, and AuthX Vault every 8 months. Most recently, PAX POSLink was updated on June 25, 2026 and AuthX Vault on September 9, 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.*