# EV扩展屏 vs DS One

The clearest difference is review sentiment: DS One at 58% against EV扩展屏's 0%. DS One also leads on rating (4.7 vs 1.0) and ratings volume (79 vs 1). EV扩展屏's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DS One sells 5 in-app purchases, starting at $0.99 per month. EV扩展屏 asks for nothing beyond the download.

DS One holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: DS One has 79 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of EV扩展屏's written reviews are positive against 58% of DS One's.

EV扩展屏 ships an update every 3 months, DS One monthly. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | EV扩展屏 | DS One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ev/id6443439614/reviews) | **[4.7 (79 ratings)](https://appshunter.io/ios/app/ds-one-video-library-and-player/id6476057278/reviews)** |
| Number of ratings | 1 | **79** |
| Positive reviews | 0.0% of reviews | **58.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 226 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [振宇 胡](https://appshunter.io/developer/1190222874) | [大为 张](https://appshunter.io/developer/1296098078) |

## What reviewers say

### EV扩展屏

[App page](https://appshunter.io/ios/app/ev/id6443439614)

This utility app allows you to use your mobile device as an external display for your computer. It supports both extended and mirrored screen modes, and can also sync your computer's audio to your phone or tablet.

**Highlights:** WiFi connection, Dual screen collaboration, Extended display mode, Mirrored display mode, Computer audio sync

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

**In-app purchases:** none


### DS One

[App page](https://appshunter.io/ios/app/ds-one-video-library-and-player/id6476057278)

This app serves as a comprehensive NAS management tool, integrating video, music, and file handling. It offers high-quality playback for various media formats, supports subtitles, and allows for seamless file browsing and management between your NAS and mobile device.

**Highlights:** Wide video format support, HD, 4K, HDR playback, Subtitle support with adjustments, Picture-in-picture mode, Lossless audio format support, Music lyrics and cover art display, NAS file management

**Features:** macOS Compatibility, Siri integration

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DS Cloud Pro - Monthly | $0.99 | per month |
| DS Cloud Pro - Monthly | $0.99 | per month |
| DS Cloud Pro - Annual | $7.99 | per year |
| DS Cloud Pro - Lifetime | $6.99 | one-time |
| DS Cloud Pro - Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is EV扩展屏 free?

EV扩展屏 is free to download, with no in-app purchases.

### Is DS One free?

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

### Which has better reviews, EV扩展屏 or DS One?

DS One is rated higher. EV扩展屏 averages 1.0 out of 5 from 1 ratings, while DS One averages 4.7 from 79 ratings.

### Do EV扩展屏 or DS One have ads?

Neither EV扩展屏 nor DS One shows ads.

### Which is updated more often, EV扩展屏 or DS One?

EV扩展屏 ships an update every 3 months, and DS One monthly. Most recently, EV扩展屏 was updated on November 3, 2026 and DS One on November 12, 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.*