# Barcode scan vs Perimeter

The clearest difference is ads: Perimeter at none against Barcode scan's shown. Perimeter also leads on update cadence (every 2 days vs every 114 months). Barcode scan's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price 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.

Barcode scan ships an update every 114 months, Perimeter every 2 days. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Barcode scan | Perimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perimeter-privacy-scanner/id6794748751/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | **Every 2 days** |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Classy Methods](https://appshunter.io/developer/991628608) |

## What reviewers say

### Barcode scan

[App page](https://appshunter.io/ios/app/barcode-scan-easy/id1082071377)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perimeter

[App page](https://appshunter.io/ios/app/perimeter-privacy-scanner/id6794748751)

**In-app purchases:** none


## Frequently asked questions

### Is Barcode scan free?

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

### Is Perimeter free?

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

### Do Barcode scan or Perimeter have ads?

Barcode scan shows ads; Perimeter does not.

### Which is updated more often, Barcode scan or Perimeter?

Barcode scan ships an update every 114 months, and Perimeter every 2 days. Most recently, Barcode scan was updated on November 6, 2026 and Perimeter on November 10, 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.*