# Certify by Acviss vs Authenticator App

The clearest difference is in-app purchases: Certify by Acviss at none against Authenticator App's 5. Authenticator App's advantage is update cadence (every 10 days vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 4 in-app purchases, starting at $7.99 per 7 days. Certify by Acviss asks for nothing beyond the download.

Certify by Acviss ships an update every 16 months, Authenticator App every 10 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Certify by Acviss | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 10 days** |
| Size | 57 MB | 50 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Acviss Technologies Private Limited](https://appshunter.io/developer/1518557089) | [Selcuk Gedikkaya](https://appshunter.io/developer/1885224016) |

## What reviewers say

### Certify by Acviss

[App page](https://appshunter.io/ios/app/certify-by-acviss/id1519576615)

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-mfa-2fa/id6760597863)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator App Weekly Premium | $7.99 | per 7 days |
| Authenticator App Weekly Premium | $9.99 | per 7 days |
| Authenticator App Yearly Premium | $39.99 | per year |
| Authenticator App Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is Certify by Acviss free?

Certify by Acviss is free to download, with no in-app purchases.

### Is Authenticator App free?

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

### Do Certify by Acviss or Authenticator App have ads?

Neither Certify by Acviss nor Authenticator App shows ads.

### Which is updated more often, Certify by Acviss or Authenticator App?

Certify by Acviss ships an update every 16 months, and Authenticator App every 10 days. Most recently, Certify by Acviss was updated on October 7, 2026 and Authenticator App on September 30, 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.*