Comparison

USB扩展屏 vs 壁纸库

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

USB扩展屏

Features

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USB扩展屏可以将您的iOS设备变成一个便携显示器，通过视频采集卡，直接采集USB数据，支持声音采集，高清无延迟支持手势快速截屏与录屏以下为各设备连接教程： switch+底座 / xbox / ps - 视频采集卡 - iPad/iPhone

About

壁纸库

Features

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壁纸库-4K超清，为你的 iPhone 准备高品质高清壁纸与动态壁纸。这里收录自然治愈、动漫风景、城市光影、日系星空、花草绿意、雨夜街巷、山海清风、创意视觉、好运锦鲤等多种风格内容。你可以按灵感浏览，也可以直接搜索壁纸标题，快速找到适合锁屏或桌面的画面。

Screenshots

USB扩展屏3 screens

壁纸库4 screens

Verdict

The call

USB扩展屏 and 壁纸库 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. USB扩展屏 sells 1 one-off in-app purchase and 壁纸库 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences

USB扩展屏 versus 壁纸库: the parameters behind the verdict, then further details
Parameter	USB扩展屏	壁纸库
Price	Free	Free
Update frequency	Daily	—
Ads	No	No
In-app purchases	Yes	Yes
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	17.0	16.0 — better
Further details — not scored
Size	0 MB	44 MB
Age rating	4+	4+
Developer	晓满李	泽阳陈