# 51See vs Lock Screen Wallpaper

The clearest difference is in-app purchases: 51See at none against Lock Screen Wallpaper's 1. 51See also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). Lock Screen Wallpaper's advantage is update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Lock Screen Wallpaper sells 1 in-app purchase, starting at $4.99 per 7 days. 51See asks for nothing beyond the download.

51See ships an update every 3 weeks, Lock Screen Wallpaper every 3 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 51See | Lock Screen Wallpaper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 33 MB | 186 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [大帅 李](https://appshunter.io/developer/873894806) | [浩然 薛](https://appshunter.io/developer/1875303337) |

## What reviewers say

### 51See

[App page](https://appshunter.io/ios/app/51see/id873894803)

This app provides a comprehensive IoT platform for smart home and industry monitoring. It includes device hardware, cloud server systems, and client solutions, with options for customized development and source code.

**Highlights:** Smart home and industry monitoring, Device hardware and SDK customization, Cloud server system development, Client solutions, Customizable system development

**Features:** macOS Compatibility

**In-app purchases:** none


### Lock Screen Wallpaper

[App page](https://appshunter.io/ios/app/lock-screen-wallpaper-iscreen/id6760888327)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Weekly Membership | $4.99 | per 7 days |


## Frequently asked questions

### Is 51See free?

51See is free to download, with no in-app purchases.

### Is Lock Screen Wallpaper free?

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

### Do 51See or Lock Screen Wallpaper have ads?

Lock Screen Wallpaper shows ads; 51See does not.

### Which is updated more often, 51See or Lock Screen Wallpaper?

51See ships an update every 3 weeks, and Lock Screen Wallpaper every 3 days. Most recently, 51See was updated on October 24, 2026 and Lock Screen Wallpaper on October 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.*