# Authenticator App ∞ vs RustSync

The clearest difference is update cadence: RustSync at every 3 weeks against Authenticator App ∞'s every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator App ∞ sells 6 in-app purchases, starting at $9.99 per 7 days and RustSync sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Authenticator App ∞ ships an update every 2 months, RustSync every 3 weeks. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Authenticator App ∞ | RustSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (331 ratings)](https://appshunter.io/ios/app/authenticator-app/id6742086933/reviews)** | — |
| Number of ratings | **331** | — |
| Positive reviews | 22.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 46 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Rushdata Limited](https://appshunter.io/developer/1861404410) | [Arron SOILAND](https://appshunter.io/developer/6781906280) |

## What reviewers say

### Authenticator App ∞

[App page](https://appshunter.io/ios/app/authenticator-app/id6742086933)

This app provides robust security for your online accounts by generating secure two-factor authentication (2FA) codes. It also offers features like risky link detection, private file storage, and seamless device synchronization for comprehensive data protection.

**Highlights:** Secure 2FA code generation, Encrypted code storage, QR code scanning and generation, Risky link detection, Private file and notes storage, Seamless device synchronization, Offline 2FA code generation

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Weekly Plan | $9.99 | per 7 days |
| Authenticator Monthly Plan | $14.99 | per month |
| Authenticator Yearly Plan | $29.99 | per year |
| Authenticator Yearly PRO | $49.99 | per year |
| Authenticator Yearly Plan | $49.99 | per year |
| Authenticator Lifetime PRO | $49.99 | one-time |

**What reviewers complain about**

- 💸 Forcing to buy an app to authenticate an account
- 💸 Charged $49.99 for subscription
- 🚫 Scam app
- 🚫 Does not work as expected
- 🚫 Misleading app, not the Microsoft Authenticator

**Reported bugs**

- App does not work with work account
- Repeatedly charged for the app without delivering


### RustSync

[App page](https://appshunter.io/ios/app/rustsync/id6782820198)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4 Licences | $6.99 | per month |
| 8 Licences | $13.99 | per month |
| 12 Licences | $20.99 | per month |
| 16 Licences | $27.99 | per month |


## Frequently asked questions

### Is Authenticator App ∞ free?

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

### Is RustSync free?

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

### Do Authenticator App ∞ or RustSync have ads?

Neither Authenticator App ∞ nor RustSync shows ads.

### Which is updated more often, Authenticator App ∞ or RustSync?

Authenticator App ∞ ships an update every 2 months, and RustSync every 3 weeks. Most recently, Authenticator App ∞ was updated on October 12, 2026 and RustSync on October 1, 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.*