# PROTEUS vs Duo Auty 2FA

The clearest difference is rating: Duo Auty 2FA at 5.0 against PROTEUS's 3.0. Duo Auty 2FA also leads on ratings volume (4 vs 1). PROTEUS's advantage is in-app purchases (none vs 2) and iOS requirement (12.2 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Duo Auty 2FA sells 2 in-app purchases, starting at $9.99 per month. PROTEUS asks for nothing beyond the download.

Duo Auty 2FA holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

PROTEUS ships an update every 7 months, Duo Auty 2FA every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | PROTEUS | Duo Auty 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/proteus-suit/id6449088465/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | **Free** | Subscription |
| Size | 16 MB | 50 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | +17 |
| Developer | [Guangdong Bote Health Technology Co., Ltd.](https://appshunter.io/developer/1482249834) | [Gurman Galychina LLC](https://appshunter.io/developer/1450092250) |

## What reviewers say

### PROTEUS

[App page](https://appshunter.io/ios/app/proteus-suit/id6449088465)

Control your personal EMS dry-suit and track your training progress with this app. It offers effective workouts, joint-friendly exercises, and greater muscle activation, suitable for various health conditions and busy schedules.

**Highlights:** Control EMS dry-suit, Track training progress, Effective workouts, Joint-friendly exercises, Muscle activation boost, OnDemand workouts, Live group workouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Duo Auty 2FA

[App page](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410)

Enhance your online security with this two-factor authentication app. It supports time-based one-time passwords (TOTP) and PUSH authentication for seamless and secure access to your accounts. Add multiple accounts, customize with brand icons, and unlock with biometrics.

**Highlights:** Two-factor authentication (2FA), TOTP and PUSH authentication, QR code scanning and import, Manual code entry, Brand icon customization, Biometrics integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly with trial | $9.99 | per month |
| Yearly plan with trial | $59.99 | per year |


## Frequently asked questions

### Is PROTEUS free?

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

### Is Duo Auty 2FA free?

Duo Auty 2FA is free to download, with in-app purchases available.

### Which has better reviews, PROTEUS or Duo Auty 2FA?

Duo Auty 2FA is rated higher. PROTEUS averages 3.0 out of 5 from 1 ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.

### Do PROTEUS or Duo Auty 2FA have ads?

Neither PROTEUS nor Duo Auty 2FA shows ads.

### Which is updated more often, PROTEUS or Duo Auty 2FA?

PROTEUS ships an update every 7 months, and Duo Auty 2FA every 8 months. Most recently, PROTEUS was updated on October 24, 2026 and Duo Auty 2FA on October 24, 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.*