# Authenticator app ・ 2FA & MFA vs SlavaShelf

The clearest difference is update cadence: SlavaShelf at every 5 days against Authenticator app ・ 2FA & MFA's every 6 weeks. SlavaShelf also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator app ・ 2FA & MFA sells 2 in-app purchases, starting at $3.99 per 7 days and SlavaShelf sells 9 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Authenticator app ・ 2FA & MFA ships an update every 6 weeks, SlavaShelf every 5 days. The most recent releases landed on September 17, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Authenticator app ・ 2FA & MFA | SlavaShelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/slavashelf-fast-inventory/id6755921721/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 97 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Olivia Martinez](https://appshunter.io/developer/1816202804) | [Sviatoslav Luchka](https://appshunter.io/developer/1852132946) |

## What reviewers say

### Authenticator app ・ 2FA & MFA

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6746333120)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2fa auth sign (weekly trial) | $3.99 | per 7 days |
| 2fa auth sign (weekly stdt) | $3.99 | per 7 days |


### SlavaShelf

[App page](https://appshunter.io/ios/app/slavashelf-fast-inventory/id6755921721)

Streamline your product inventory and sales process. Capture item details with photos, use AI to generate listings, and publish directly to marketplaces. Track stock, monitor performance, and export data for bookkeeping.

**Highlights:** AI-assisted listing generation, Multi-photo item capture, Marketplace listing integration, Customizable inventory statuses, Performance analytics, Data export for bookkeeping, Team collaboration features

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Subscription | $4.99 | per month |
| Advanced Subscription | $14.99 | per month |
| Power Subscription | $24.99 | per month |
| Elite Subscription | $49.99 | per month |
| Pro Unlimited Subscription | $99.99 | per month |
| Limit Reset | $14.99 | one-time |
| Limit Reset | $34.99 | one-time |
| Limit Reset | $54.99 | one-time |
| Limit Reset | $119.99 | one-time |


## Frequently asked questions

### Is Authenticator app ・ 2FA & MFA free?

Authenticator app ・ 2FA & MFA is free to download, with in-app purchases available.

### Is SlavaShelf free?

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

### Do Authenticator app ・ 2FA & MFA or SlavaShelf have ads?

Neither Authenticator app ・ 2FA & MFA nor SlavaShelf shows ads.

### Which is updated more often, Authenticator app ・ 2FA & MFA or SlavaShelf?

Authenticator app ・ 2FA & MFA ships an update every 6 weeks, and SlavaShelf every 5 days. Most recently, Authenticator app ・ 2FA & MFA was updated on September 17, 2026 and SlavaShelf on August 22, 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.*