# Pocket Barcode System vs Scan4Check

The clearest difference is in-app purchases: Scan4Check at none against Pocket Barcode System's 3. Scan4Check also leads on update cadence (every 2 months vs every 19 months). Pocket Barcode System's advantage is iOS requirement (10.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Pocket Barcode System sells 3 in-app purchases, starting at $0.99 per month. Scan4Check asks for nothing beyond the download.

Pocket Barcode System ships an update every 19 months, Scan4Check every 2 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Pocket Barcode System | Scan4Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Size | 11 MB | 82 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCANGINE](https://appshunter.io/developer/1614485578) | [EDGYN](https://appshunter.io/developer/1243599471) |

## What reviewers say

### Pocket Barcode System

[App page](https://appshunter.io/ios/app/pocket-barcode-system/id1628779675)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Barcode System Monthly | $0.99 | per month |
| Pocket Barcode System Yearly | $8.99 | per year |
| Pocket Barcode System Pro | $14.99 | one-time |


### Scan4Check

[App page](https://appshunter.io/ios/app/scan4check/id1640710228)

**In-app purchases:** none


## Frequently asked questions

### Is Pocket Barcode System free?

Pocket Barcode System is free to download, with in-app purchases available.

### Is Scan4Check free?

Scan4Check is free to download, with no in-app purchases.

### Do Pocket Barcode System or Scan4Check have ads?

Neither Pocket Barcode System nor Scan4Check shows ads.

### Which is updated more often, Pocket Barcode System or Scan4Check?

Pocket Barcode System ships an update every 19 months, and Scan4Check every 2 months. Most recently, Pocket Barcode System was updated on September 9, 2026 and Scan4Check on September 8, 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.*