# Authenticator App vs StratoSync

The clearest difference is in-app purchases: StratoSync at none against Authenticator App's 3. Authenticator App's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $8.99 per month. StratoSync asks for nothing beyond the download.

Authenticator App ships an update every 3 months, StratoSync every 5 months. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Authenticator App | StratoSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/authenticator-app-otp-and-2fa/id6738784299/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 136 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sky Stack Systems](https://appshunter.io/developer/1837994634) | [REAL GOLDEN FRUITS DOO](https://appshunter.io/developer/1891271294) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-otp-and-2fa/id6738784299)

Secure your online accounts with two-factor authentication and manage all your passwords in one place. Easily scan QR codes to set up codes and integrate with popular services for enhanced digital safety.

**Highlights:** Two-Factor Authentication (2FA), Password Manager, Scan and Import Codes, Seamless Integration, Secure Account Management

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $8.99 | per month |
| Yearly Subscription | $24.99 | per year |
| Lifetime Plan | $44.99 | one-time |


### StratoSync

[App page](https://appshunter.io/ios/app/stratosync-usual-watch/id6761750935)

**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 StratoSync free?

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

### Do Authenticator App or StratoSync have ads?

Neither Authenticator App nor StratoSync shows ads.

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

Authenticator App ships an update every 3 months, and StratoSync every 5 months. Most recently, Authenticator App was updated on October 11, 2026 and StratoSync on October 28, 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.*