U8 vs iUSB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U8
Transfer and back up any file wirelessly between your mobile devices and computers without using mobile data. Experience ultra-fast speeds for seamless file management and sharing across different platforms.
- Zero-flow wireless file transfer
- Ultra-fast transmission speeds (up to 30MB/s)
- File backup and management
- Cross-platform compatibility
- Supports various file formats
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Mobile phone USB flash drive-file transfer and backup artifact Zero-flow transmission of any file, does not consume a trillion traffic, does not cost a penny. Mobile phone USB flash drive is a cross-platform, easy to operate, ultra-fast transmission speed of extremely fast file backup tools. You only need to transfer files in the same LAN through a computer browser -Software features- 1 free flow 2 File transfer speed is ultra-fast: kill Bluetooth 100 times, and the fastest speed can reach 30Mb/s. 3 Backup Files: You can browse and manage all formats supported by iOS and photos, videos, music and other files. 4 Cross-platform transmission: iOS mobile phones and other iOS mobile phones, and desktop device platforms, free transmission. 5 Powerful: Transmit photos, videos, music and other files in various formats in the same LAN. The function of mobile phone USB flash drive is small and powerful, which is a rare tool in your daily life. Come and try it quickly! ;
iUSB
Easily back up photos and videos from your device to an external MFi storage device with a single touch. Select specific media for backup or capture new content directly to the external storage. View your saved files directly within the app.
- One-touch photo and video backup
- Selective media backup
- Direct camera capture to external storage
- View saved files on external device
- Works with CF3 MFi device
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iUSB works with the CF3 MFi device to provide one-touch photo and video backup. With the simple, one-touch backup button, all photos and videos are backed up onto the external device. With the option to select specific photos and videos, the user can backup only the images and videos selected. The "use camera" feature allows photos and videos to be shot and saved directly to the external MFi storage hardware. The view files features allows the user to view the files saved on the external MFi device
Screenshots
Verdict
The clearest difference is rating: U8 at 4.0 against iUSB's 2.8. U8 also leads on review sentiment (64% vs 25%). iUSB's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume 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. U8 sells 1 one-off in-app purchase. iUSB asks for nothing beyond the download.
U8 holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 9 and 24 respectively. Written reviews point the same way: 64% of U8's written reviews are positive against 25% of iUSB's.
U8 ships an update every 6 weeks, iUSB every 10 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.
| Parameter | U8 | iUSB |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (9 ratings) — better | 2.8 (24 ratings) |
| Positive reviews | 64.3% of reviews — better | 25.0% of reviews |
| Number of ratings | 9 | 24 — better |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | ErxiangHeyi Information | 伟才 韦 |
Customer experience
U8
iUSB
In-app purchases
U8
- LifeTime$3.99
iUSB
No in-app purchases
