# 3VMS Pro vs Smart Printer－PDF Scanner

The clearest difference is in-app purchases: 3VMS Pro at none against Smart Printer－PDF Scanner's 2. 3VMS Pro also leads on iOS requirement (12.0 vs 15.0). Smart Printer－PDF Scanner's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Smart Printer－PDF Scanner sells 2 in-app purchases, starting at $4.99 per month. 3VMS Pro asks for nothing beyond the download.

3VMS Pro ships an update every 4 months, Smart Printer－PDF Scanner every 2 weeks. The most recent releases landed on September 19, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | 3VMS Pro | Smart Printer－PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/3vms-pro/id399150410/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3S POCKETNET TECHNOLOGY INC.](https://appshunter.io/developer/354980335) | [Ravi chandran M](https://appshunter.io/developer/1756258598) |

## What reviewers say

### 3VMS Pro

[App page](https://appshunter.io/ios/app/3vms-pro/id399150410)

Transform your iPhone into a portable IP surveillance camera. View multiple video streams in real-time from compatible cameras. Supports unlimited cameras, dual/quad views, and PTZ functions.

**Highlights:** Portable IP surveillance camera, Real-time video streaming, Add unlimited cameras, Dual and Quad-Views, PTZ control, Snapshot capture

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Printer－PDF Scanner

[App page](https://appshunter.io/ios/app/smart-printerpdf-scanner/id6736524560)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $4.99 | per month |
| Annual Plan | $14.99 | per year |


## Frequently asked questions

### Is 3VMS Pro free?

3VMS Pro is free to download, with no in-app purchases.

### Is Smart Printer－PDF Scanner free?

Smart Printer－PDF Scanner is free to download, with in-app purchases available.

### Do 3VMS Pro or Smart Printer－PDF Scanner have ads?

Neither 3VMS Pro nor Smart Printer－PDF Scanner shows ads.

### Which is updated more often, 3VMS Pro or Smart Printer－PDF Scanner?

3VMS Pro ships an update every 4 months, and Smart Printer－PDF Scanner every 2 weeks. Most recently, 3VMS Pro was updated on September 19, 2026 and Smart Printer－PDF Scanner on September 4, 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.*