# Da Echo vs AuthBook Authenticator 2FA

The clearest difference is iOS requirement: Da Echo at 13 against AuthBook Authenticator 2FA's 15.0. On price, update cadence, ads 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.

Da Echo ships an update weekly, AuthBook Authenticator 2FA every 10 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Da Echo | AuthBook Authenticator 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (34 ratings)](https://appshunter.io/ios/app/da-echo/id1642031132/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | — |
| Size | 438 MB | 37 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [MO YOUNG LIMITED](https://appshunter.io/developer/1593135244) | [Pooja Gupta](https://appshunter.io/developer/461751776) |

## What reviewers say

### Da Echo

[App page](https://appshunter.io/ios/app/da-echo/id1642031132)

This intelligent assistant offers personalized answers, suggestions, and inspiration. It seamlessly interacts with users, understanding their needs for a smooth experience. For users with compatible smart glasses, it also manages devices, handles media, and controls calls and music.

**Highlights:** AI-powered personalized assistance, Natural language interaction, Smart glasses device management, Photo and video import/sharing, Call and music control, Intelligent feature unlocking

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

**In-app purchases:** none


### AuthBook Authenticator 2FA

[App page](https://appshunter.io/ios/app/authbook-authenticator-2fa/id6823912796)

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

**In-app purchases:** none


## Frequently asked questions

### Is Da Echo free?

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

### Is AuthBook Authenticator 2FA free?

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

### Do Da Echo or AuthBook Authenticator 2FA have ads?

Neither Da Echo nor AuthBook Authenticator 2FA shows ads.

### Which is updated more often, Da Echo or AuthBook Authenticator 2FA?

Da Echo ships an update weekly, and AuthBook Authenticator 2FA every 10 days. Most recently, Da Echo was updated on November 7, 2026 and AuthBook Authenticator 2FA on November 6, 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.*