# BIEN vs smartchat SDT

The clearest difference is device support: smartchat SDT at 3 against BIEN's 1. smartchat SDT also leads on iOS requirement (15.6 vs 17.6). On price, 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.

## The numbers

| Metric | BIEN | smartchat SDT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (16 ratings)](https://appshunter.io/ios/app/bien/id6754266435/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 351 MB | 35 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [DIRECCION DE GESTION POR RESULTADOS (DIGER)](https://appshunter.io/developer/1895856366) | [Allas Repuestos](https://appshunter.io/developer/1840264564) |

## What reviewers say

### BIEN

[App page](https://appshunter.io/ios/app/bien/id6754266435)

A self-sovereign digital wallet for securely storing and managing digital credentials on your smartphone. It empowers users with control over their identity information, with trusted providers for specific regions.

**Highlights:** Self-sovereign digital wallet, Secure credential storage, Identity management, Smartphone-based management, Trusted provider integration

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

**In-app purchases:** none


### smartchat SDT

[App page](https://appshunter.io/ios/app/smartchat-sdt/id6773132618)

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

**In-app purchases:** none


## Frequently asked questions

### Is BIEN free?

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

### Is smartchat SDT free?

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

### Do BIEN or smartchat SDT have ads?

Neither BIEN nor smartchat SDT shows ads.

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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.*