# NACVIEW Authenticator vs QPhoto Backup

The clearest difference is in-app purchases: NACVIEW Authenticator at none against QPhoto Backup's 5. NACVIEW Authenticator also leads on iOS requirement (14.0 vs 17.0). QPhoto Backup's advantage is update cadence (every 2 weeks vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. QPhoto Backup sells 5 in-app purchases, starting at $2.99 per month. NACVIEW Authenticator asks for nothing beyond the download.

NACVIEW Authenticator ships an update every 12 months, QPhoto Backup every 2 weeks. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | NACVIEW Authenticator | QPhoto Backup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/qphoto-backup/id6448807750/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 60 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NACVIEW Sp. z o.o.](https://appshunter.io/developer/1228056785) | [Thomas Le gravier](https://appshunter.io/developer/1510628585) |

## What reviewers say

### NACVIEW Authenticator

[App page](https://appshunter.io/ios/app/nacview-authenticator/id1561763176)

**Features:** macOS Compatibility

**In-app purchases:** none


### QPhoto Backup

[App page](https://appshunter.io/ios/app/qphoto-backup/id6448807750)

Securely back up photos and videos to your QNAP NAS with automatic background synchronization. Manage your NAS files, free up local storage by identifying duplicates and large files, and enjoy end-to-end encryption for your data. Offers flexible connectivity and an intuitive interface for easy use.

**Highlights:** Automatic photo and video backup, End-to-end encryption, Local storage cleaner, Browse and manage NAS files, Smart background sync, Duplicate detection

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version - Month | $2.99 | per month |
| Pro version - Month | $3.99 | per month |
| Pro version - Year | $12.99 | per year |
| Pro version - Year | $17.99 | per year |
| Pro version - Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is NACVIEW Authenticator free?

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

### Is QPhoto Backup free?

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

### Do NACVIEW Authenticator or QPhoto Backup have ads?

Neither NACVIEW Authenticator nor QPhoto Backup shows ads.

### Which is updated more often, NACVIEW Authenticator or QPhoto Backup?

NACVIEW Authenticator ships an update every 12 months, and QPhoto Backup every 2 weeks. Most recently, NACVIEW Authenticator was updated on October 9, 2026 and QPhoto Backup on October 20, 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.*