# Lenstag vs SK VMS

The clearest difference is in-app purchases: SK VMS at none against Lenstag's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lenstag sells 3 in-app purchases, starting at $2.99 per month. SK VMS asks for nothing beyond the download.

Lenstag ships an update every 3 months, SK VMS every 4 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lenstag | SK VMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/lenstag/id759999902/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Freemium | — |
| Size | 16 MB | 138 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lenstag LLC](https://appshunter.io/developer/759999905) | [SystemK Corporation](https://appshunter.io/developer/528227513) |

## What reviewers say

### Lenstag

[App page](https://appshunter.io/ios/app/lenstag/id759999902)

Protect your photography gear from theft with this app. Check serial numbers before buying, report stolen items, and securely transfer ownership. It also helps recover lost equipment and provides business documents for photographers.

**Highlights:** Theft protection for cameras and lenses, Check serial numbers for stolen gear, Report missing equipment, Securely transfer gear ownership, Recover stolen gear and images, Gear valuation, Photography business documents

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lenstag Pro | $2.99 | per month |
| Lenstag Pro | $19.99 | per year |
| Lenstag Pro | $29.99 | per year |


### SK VMS

[App page](https://appshunter.io/ios/app/sk-vms/id1227909757)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lenstag free?

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

### Is SK VMS free?

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

### Do Lenstag or SK VMS have ads?

Neither Lenstag nor SK VMS shows ads.

### Which is updated more often, Lenstag or SK VMS?

Lenstag ships an update every 3 months, and SK VMS every 4 months. Most recently, Lenstag was updated on October 16, 2026 and SK VMS on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*