# Staff Call System by QR code vs The Bar Stack

The clearest difference is in-app purchases: The Bar Stack at none against Staff Call System by QR code's 2. The Bar Stack also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Staff Call System by QR code sells 2 in-app purchases, starting at $17.99 per year. The Bar Stack asks for nothing beyond the download.

Staff Call System by QR code ships an update every 2 months, The Bar Stack weekly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Staff Call System by QR code | The Bar Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 44 MB | 74 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Leonid Shulga](https://appshunter.io/developer/1498369847) | [Aashish Bijukchhe](https://appshunter.io/developer/1699750501) |

## What reviewers say

### Staff Call System by QR code

[App page](https://appshunter.io/ios/app/staff-call-system-by-qr-code/id6443860336)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 year access to application | $17.99 | per year |
| Pro Access | $19.99 | one-time |


### The Bar Stack

[App page](https://appshunter.io/ios/app/the-bar-stack/id6757468714)

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

**In-app purchases:** none


## Frequently asked questions

### Is Staff Call System by QR code free?

Staff Call System by QR code is free to download, with in-app purchases available.

### Is The Bar Stack free?

The Bar Stack is free to download, with no in-app purchases.

### Do Staff Call System by QR code or The Bar Stack have ads?

Staff Call System by QR code shows ads; The Bar Stack does not.

### Which is updated more often, Staff Call System by QR code or The Bar Stack?

Staff Call System by QR code ships an update every 2 months, and The Bar Stack weekly. Most recently, Staff Call System by QR code was updated on October 3, 2026 and The Bar Stack on October 4, 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.*