四有云 vs Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
四有云
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四有云是您的智能家庭数据中心,为您提供安全可靠的数字资产管理、跨端数据协同、影音娱乐、知识管理等功能。助您彻底摆脱手机等终端的空间限制,数据随处可达,享受极致的家庭私有云服务。 四有云需要配合搭载了Siyouyun OS的NAS设备一起使用,它的主要功能有: - 支持iOS、Mac平台 - 支持条带化、镜像、raidz等多种硬盘池化策略 - 支持文件备份、上传、下载、在线预览、分享等功能 - 支持H.264、H.265等几乎所有常见编码格式的视频播放 - 支持Timemachine、Samba、WebDav、FTP等共享协议 - 支持生成精美的影视墙 - 支持人脸AI分类、NLP搜图、以图搜图等智能相册功能 - 支持音乐播放 - 支持USB、网盘、Samba等多种外部存储接入 - 支持记事本、通讯录备份、HDMI输出控制、短视频播放器等功能
Converter
Easily convert files between various formats, including images, audio, and video. Select your files, choose the desired output, and let the app handle the conversion. Supports batch processing and custom settings for advanced needs.
- Image format conversion
- Audio format conversion
- Video format conversion
- Batch conversion
- Custom settings
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This is a file format used to convert one file format to another. Enables users to easily select files to convert and choose the target format. These applications support a variety of different file format conversions, including but not limited to the following: 1. Image format conversion: Convert image files from one format to another. For example, convert JPEG images to PNG format, or BMP images to GIF format. 2. Audio format conversion: Convert audio files from one format to another. For example, convert MP3 audio to WAV format, or convert AAC audio to MP3 format. 3. Video format conversion: Convert video files from one format to another. For example, convert MP4 videos to AVI format, or convert MOV videos to WMV format. Format conversion applications usually provide other functions, such as batch conversion and custom settings. Some advanced format conversion applications can also handle more complex conversion needs.
Screenshots
Verdict
The clearest difference is ads: 四有云 at none against Converter's shown. 四有云 also leads on iOS requirement (12.0 vs 14.0). Converter's advantage is update cadence (weekly vs every 5 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
四有云 ships an update every 5 months, Converter weekly. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.
| Parameter | 四有云 | Converter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (25 ratings) — better |
| Number of ratings | — | 25 — better |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 170 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | 北京及至奇点科技有限公司 | Huizhou Yimo Technology Co., Ltd. |
In-app purchases
四有云
No in-app purchases
Converter
No in-app purchases









