# 2FA Authenticator Password App vs Dou AI

The clearest difference is review sentiment: Dou AI at 100% against 2FA Authenticator Password App's 0%. 2FA Authenticator Password App's advantage is rating (4.0 vs 2.3) and monetization model (freemium vs subscription). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. 2FA Authenticator Password App sells 3 in-app purchases, starting at $5.99 per 7 days and Dou AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

2FA Authenticator Password App holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews complicate that: 0% of 2FA Authenticator Password App's written reviews are positive against 100% of Dou AI's, so the app with the better star average is not the one people write more warmly about.

2FA Authenticator Password App ships an update every 3 weeks, Dou AI every 2 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator Password App | Dou AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/2fa-authenticator-password-app/id6758049314/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/dou-ai-answer-ai-assistant/id6759150717/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Freemium** | Subscription |
| Size | 11 MB | 25 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FOODS SH.P.K.](https://appshunter.io/developer/1870568962) | [KOBELL TECHNOLOGY PTE. LTD.](https://appshunter.io/developer/1860197711) |

## What reviewers say

### 2FA Authenticator Password App

[App page](https://appshunter.io/ios/app/2fa-authenticator-password-app/id6758049314)

This app securely stores and displays time-based one-time verification codes for accessing online accounts. It offers features like automatic code refreshing, one-tap copying, and optional PIN protection for enhanced security. Manage your services easily through QR code scanning or manual entry.

**Highlights:** Stores and displays 2FA verification codes, Automatic code refresh every 30 seconds, One-tap code copying to clipboard, QR code scanning for adding services, Optional PIN code protection, Automatic app lock after minimization, Hide codes on app launch (Pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Pro | $5.99 | per 7 days |
| 2FA Authenticator Pro | $5.99 | per 7 days |
| 2FA Authenticator One-time | $119.99 | one-time |


### Dou AI

[App page](https://appshunter.io/ios/app/dou-ai-answer-ai-assistant/id6759150717)

This AI-powered assistant helps with learning, creativity, and daily tasks. It offers features like homework help, image generation, writing assistance, and language translation. Get instant explanations, brainstorm ideas, and explore the world with this all-in-one tool.

**Highlights:** Step-by-step homework explanations, AI-powered writing and content creation, Image generation from text prompts, Language translation and object identification, Daily planning and wellness insights, Summarize information and brainstorm ideas

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dou AI Pro Monthly | $9.99 | per month |
| Dou AI Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is 2FA Authenticator Password App free?

2FA Authenticator Password App is free to download, with in-app purchases available.

### Is Dou AI free?

Dou AI is free to download, with in-app purchases available.

### Which has better reviews, 2FA Authenticator Password App or Dou AI?

2FA Authenticator Password App is rated higher. 2FA Authenticator Password App averages 4.0 out of 5 from 4 ratings, while Dou AI averages 2.3 from 3 ratings.

### Do 2FA Authenticator Password App or Dou AI have ads?

Neither 2FA Authenticator Password App nor Dou AI shows ads.

### Which is updated more often, 2FA Authenticator Password App or Dou AI?

2FA Authenticator Password App ships an update every 3 weeks, and Dou AI every 2 months. Most recently, 2FA Authenticator Password App was updated on October 9, 2026 and Dou AI on October 15, 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.*