# Lock Screen vs Sterna Unigem Manager

The clearest difference is in-app purchases: Sterna Unigem Manager at none against Lock Screen's 2. Lock Screen's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lock Screen sells 2 in-app purchases, starting at $7.49 per month. Sterna Unigem Manager asks for nothing beyond the download.

Lock Screen ships an update every 3 days, Sterna Unigem Manager every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Lock Screen | Sterna Unigem Manager |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 25 MB | 65 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Viionr Infotech Private Limited](https://appshunter.io/developer/1572986683) | [Sterna Security Devices Private Limited](https://appshunter.io/developer/1751436158) |

## What reviewers say

### Lock Screen

[App page](https://appshunter.io/ios/app/lock-screen-widgets-and-walls/id6443518798)

Personalize your device's lock screen with a vast collection of aesthetic wallpapers and customizable widgets. Easily set and save your favorite designs, with new collections added weekly. Enhance your device's appearance with unique and attractive lock screen options.

**Highlights:** Customizable lock screen wallpapers, Aesthetic wallpaper collection, Widget integration, Save favorite wallpapers, New collections weekly, Over 200 lock screen designs

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.49 | per month |
| Yearly subscription | $19.99 | per year |


### Sterna Unigem Manager

[App page](https://appshunter.io/ios/app/sterna-unigem-manager/id6462631973)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock Screen free?

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

### Is Sterna Unigem Manager free?

Sterna Unigem Manager is free to download, with no in-app purchases.

### Do Lock Screen or Sterna Unigem Manager have ads?

Neither Lock Screen nor Sterna Unigem Manager shows ads.

### Which is updated more often, Lock Screen or Sterna Unigem Manager?

Lock Screen ships an update every 3 days, and Sterna Unigem Manager every 2 months. Most recently, Lock Screen was updated on November 3, 2026 and Sterna Unigem Manager on November 3, 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.*