# Instant Guard vs QNAP Authenticator

The clearest difference is rating: Instant Guard at 3.4 against QNAP Authenticator's 2.0. Instant Guard also leads on review sentiment (38% vs 20%) and ratings volume (61 vs 12). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Instant Guard holds the better App Store score, 3.4 against 2.0. That said, the two scores are not equally well evidenced: Instant Guard has 61 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 38% of Instant Guard's written reviews are positive against 20% of QNAP Authenticator's.

Instant Guard ships an update every 2 months, QNAP Authenticator every 3 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Instant Guard | QNAP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (61 ratings)](https://appshunter.io/ios/app/instant-guard/id1522843324/reviews)** | [2.0 (12 ratings)](https://appshunter.io/ios/app/qnap-authenticator/id1620302345/reviews) |
| Number of ratings | **61** | 12 |
| Positive reviews | **38.5% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 64 MB | 44 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASUS](https://appshunter.io/developer/527118677) | [QNAP Systems, Inc.](https://appshunter.io/developer/355826923) |

## What reviewers say

### Instant Guard

[App page](https://appshunter.io/ios/app/instant-guard/id1522843324)

This app provides a secure VPN connection, allowing you to browse anonymously and protect your financial information on public Wi-Fi. It enables remote access to your home ASUS router, ensuring your privacy and security wherever you go.

**Highlights:** One-click VPN connection, Secured and encrypted connectivity, Anonymous browsing, Change IP address and location, Remote ASUS router access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and does its job
- 🔒 Great security focused VPN
- 👍 Setup is straightforward
- 💰 Cost-effective solution
- 🚀 Works great for remote access

**What reviewers complain about**

- 🐛 Auto connection conflicts
- 🐛 Fails to connect on iOS update
- 🐛 Cellular data severely affected
- 🐛 No internet when connected
- 🐛 Auto protect on cellular

**Reported bugs**

- Auto connection still conflicts
- Cannot connect after current iOS update
- Cellular data severely affected
- Auto protect feature comes on when on cellular network
- IP Address did not change

**Requested features**

- Add split tunnelling
- Automatic connection when leaving home network
- Ability to automatically connect/disconnect based on WiFi network
- Shortcuts widget for one-touch control
- Automation capabilities


### QNAP Authenticator

[App page](https://appshunter.io/ios/app/qnap-authenticator/id1620302345)

Enhance your account security with this mobile app that provides 2-Step Verification and Passwordless Login. It offers multiple verification methods, including login approval, QR code scanning, and online codes, with TOTP support for offline use and third-party accounts.

**Highlights:** 2-Step Verification, Passwordless Login, Login Approval, QR Code Verification, Online Verification Code, Time-based One-Time Password (TOTP), Offline TOTP generation

**In-app purchases:** none


## Frequently asked questions

### Is Instant Guard free?

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

### Is QNAP Authenticator free?

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

### Which has better reviews, Instant Guard or QNAP Authenticator?

Instant Guard is rated higher. Instant Guard averages 3.4 out of 5 from 61 ratings, while QNAP Authenticator averages 2.0 from 12 ratings.

### Do Instant Guard or QNAP Authenticator have ads?

Neither Instant Guard nor QNAP Authenticator shows ads.

### Which is updated more often, Instant Guard or QNAP Authenticator?

Instant Guard ships an update every 2 months, and QNAP Authenticator every 3 months. Most recently, Instant Guard was updated on September 20, 2026 and QNAP Authenticator on September 15, 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.*