# Karaz Authenticator vs SMIO IA

The clearest difference is update cadence: SMIO IA at every 4 days against Karaz Authenticator's every 4 months. SMIO IA also leads on iOS requirement (13.0 vs 15.1). 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.

Karaz Authenticator ships an update every 4 months, SMIO IA every 4 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Karaz Authenticator | SMIO IA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 44 MB | 28 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [RIBATIS](https://appshunter.io/developer/1372435891) | [othmane sefiani](https://appshunter.io/developer/1161918845) |

## What reviewers say

### Karaz Authenticator

[App page](https://appshunter.io/ios/app/karaz-authenticator/id6747678576)

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

**In-app purchases:** none


### SMIO IA

[App page](https://appshunter.io/ios/app/smio-ia/id6768390095)

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

**In-app purchases:** none


## Frequently asked questions

### Is Karaz Authenticator free?

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

### Is SMIO IA free?

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

### Do Karaz Authenticator or SMIO IA have ads?

Neither Karaz Authenticator nor SMIO IA shows ads.

### Which is updated more often, Karaz Authenticator or SMIO IA?

Karaz Authenticator ships an update every 4 months, and SMIO IA every 4 days. Most recently, Karaz Authenticator was updated on October 14, 2026 and SMIO IA on October 9, 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.*