uDisk vs mFlash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uDisk
Transform your iOS device into a portable USB drive. Easily transfer files between your device and computer via Wi-Fi or iTunes. Browse, play, and edit various file types directly on your phone or tablet.
- Use iOS device as USB disk
- Wi-Fi file transfer
- iTunes File Sharing
- Browse various file types
- Play music and video
- Edit text files
- Create directories and sort files
Read full descriptionHide full description
Let your iOS device become a USB disk ! You can use it to transfer files between iOS device and computer by Wifi or iTunes File Sharing. The uDisk support various files browse, music and video play, and text file editing. Tap the toolbar buttons you can view the wifi address, create a directory, sort the files, and change the view mode. Long press the file item, you can move, rename, email and delete the file. Enjoy it ! If any question and suggestion, please contact czh0766@163.com.
mFlash
Read full descriptionHide full description
OTG 传输助手是专为 iPhone 打造的外接存储文件管理工具,通过 Lightning/Type-C 转 USB 转接设备连接 U 盘、移动硬盘、读卡器,摆脱电脑束缚,实现手机与外置存储之间高速自由拷贝文件,随时随地备份、转移手机数据。 核心功能 OTG 高速传输 插上转接 U 盘即可自动识别,支持文件复制、剪切、粘贴、删除、重命名,单文件 / 批量文件一键迁移,照片、视频、录音、Word、Excel、PDF、压缩包等全格式兼容。 手机 ↔ U 盘双向互传 手机导出:相册图片、录像、聊天文件、下载资料一键批量拷贝到 U 盘,腾出手机内存; U 盘导入:U 盘中资料直接读取保存至手机,外出办公、拷贝资料无需携带电脑。 内置文件管理器 内置分类视图:图片、视频、文档、音频、压缩包分门别类,支持文件夹新建、排序、搜索,快速查找目标文件,管理 U 盘内部目录更清晰。 离线备份神器 重要工作报表、家庭相册、珍贵视频离线备份至 U 盘,不占用云端流量,无需网络,杜绝云端隐私泄露,数据留存更安全。 多存储兼容 兼容普通 U 盘、固态移动硬盘、TF/SD 读卡器、相机存储卡,适配大部分外接 USB 存储设备,外出拷贝资料、相机导图十分便捷。
Screenshots
Verdict
The clearest difference is in-app purchases: mFlash at none against uDisk's 1. mFlash also leads on update cadence (weekly vs every 2 months). uDisk's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price and ads 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. uDisk sells 1 one-off in-app purchase. mFlash asks for nothing beyond the download.
uDisk ships an update every 2 months, mFlash weekly. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.
| Parameter | uDisk | mFlash |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (233 ratings) — better | — |
| Positive reviews | 83.7% of reviews | — |
| Number of ratings | 233 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 20 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Brown Bear Technology Co., LTD | Huizhou Yayu Technology Service Co., Ltd. |
Bugs and requests
uDisk
Reported bugs
6 issues- Cannot save files manually
- Material does not always show
- Does not work after initial use
- Cannot rotate screen
- Does not transfer videos from phone
Show 1 moreShow fewer
- No permissions requested for file access
Requested features
2 requests- App should be pre-loaded on the thumbdrive
- More clarity on app functionality and safety
mFlash
Not enough reviews yet to summarise bugs or requests.
In-app purchases
uDisk
- Pro Version$3.99
mFlash
No in-app purchases









