# QuadroDUS vs Auth+ 2FA Authenticator

The clearest difference is update cadence: QuadroDUS at weekly against Auth+ 2FA Authenticator's every 3 weeks. QuadroDUS also leads on iOS requirement (11.0 vs 13.0). On price, ads, 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.

QuadroDUS ships an update weekly, Auth+ 2FA Authenticator every 3 weeks. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | QuadroDUS | Auth+ 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 40 MB | 39 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TUSDATA Anonim Sirketi](https://appshunter.io/developer/483455635) | [Ekinoks Software](https://appshunter.io/developer/1006128703) |

## What reviewers say

### QuadroDUS

[App page](https://appshunter.io/ios/app/quadrodus/id1667848067)

**Features:** macOS Compatibility

**In-app purchases:** none


### Auth+ 2FA Authenticator

[App page](https://appshunter.io/ios/app/auth-plus-2fa-authenticator/id6738983855)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QuadroDUS free?

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

### Is Auth+ 2FA Authenticator free?

Auth+ 2FA Authenticator is free to download, with no in-app purchases.

### Do QuadroDUS or Auth+ 2FA Authenticator have ads?

Neither QuadroDUS nor Auth+ 2FA Authenticator shows ads.

### Which is updated more often, QuadroDUS or Auth+ 2FA Authenticator?

QuadroDUS ships an update weekly, and Auth+ 2FA Authenticator every 3 weeks. Most recently, QuadroDUS was updated on September 27, 2026 and Auth+ 2FA Authenticator 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.*