# Authenticator App vs Sky Authenticator

The clearest difference is in-app purchases: Sky Authenticator at none against Authenticator App's 18. Sky Authenticator also leads on iOS requirement (13.0 vs 18.0). Authenticator App's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 17 in-app purchases, starting at $4.99 per 7 days. Sky Authenticator asks for nothing beyond the download.

Authenticator App ships an update every 3 weeks, Sky Authenticator every 2 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Authenticator App | Sky Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (118 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6451119566/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 80 MB | 25 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zozed Company](https://appshunter.io/developer/1639529139) | [Sky World Limited](https://appshunter.io/developer/1503688557) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6451119566)

Enhance your online security with two-factor authentication. This app securely stores all your 2FA tokens, adding an extra layer of defense to your accounts. Easily set up by scanning QR codes or manual entry for email, social media, and banking.

**Highlights:** Two-factor authentication, Secure token storage, QR code scanning, Manual key entry, Time-based one-time passcodes (TOTP), Organize 2FA tokens

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Week Premium | $4.99 | per 7 days |
| Authenticator App ◦ 2FA Auth | $7.99 | per 7 days |
| Authenticator App ◦ 2FA Auth | $7.99 | per 7 days |
| Premium Week | $7.99 | per 7 days |
| Premium Week | $7.99 | per 7 days |
| Authenticator Week Premium | $7.99 | per 7 days |
| Premium Week | $9.99 | per 7 days |
| Premium Week | $11.99 | per 7 days |
| Two Factor Fast Authentication | $19.99 | per month |
| Premium Year | $49.99 | per year |
| Lifetime Premium | $2.99 | one-time |
| Lifetime Premium | $4.99 | one-time |
| Authenticator App ◦ 2FA Auth | $5.99 | one-time |
| Lifetime Premium | $5.99 | one-time |
| Lifetime Premium | $6.99 | one-time |
| Lifetime Premium | $7.99 | one-time |
| Lifetime Premium | $9.99 | one-time |


### Sky Authenticator

[App page](https://appshunter.io/ios/app/sky-authenticator/id6480073025)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is Sky Authenticator free?

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

### Do Authenticator App or Sky Authenticator have ads?

Neither Authenticator App nor Sky Authenticator shows ads.

### Which is updated more often, Authenticator App or Sky Authenticator?

Authenticator App ships an update every 3 weeks, and Sky Authenticator every 2 months. Most recently, Authenticator App was updated on October 12, 2026 and Sky Authenticator on October 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.*