# Barcode scan vs Comtarsia Authenticator

The clearest difference is ads: Comtarsia Authenticator at none against Barcode scan's shown. Comtarsia Authenticator also leads on iOS requirement (12.4 vs 15.0). On price, update cadence, 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.

Barcode scan ships an update every 114 months, Comtarsia Authenticator every 63 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Barcode scan | Comtarsia Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | **Every 63 months** |
| Size | 5 MB | 2 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Comtarsia IT Services GmbH](https://appshunter.io/developer/1538437597) |

## What reviewers say

### Barcode scan

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Comtarsia Authenticator

[App page](https://appshunter.io/ios/app/comtarsia-authenticator/id1538437355)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Barcode scan free?

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

### Is Comtarsia Authenticator free?

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

### Do Barcode scan or Comtarsia Authenticator have ads?

Barcode scan shows ads; Comtarsia Authenticator does not.

### Which is updated more often, Barcode scan or Comtarsia Authenticator?

Barcode scan ships an update every 114 months, and Comtarsia Authenticator every 63 months. Most recently, Barcode scan was updated on October 1, 2026 and Comtarsia Authenticator on October 12, 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.*