SL Udisk vs I
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SL Udisk
Expand your iOS device's storage with this portable flash drive. Seamlessly transfer, view, and manage files between your iOS devices and computers without needing Wi-Fi or a network signal. It offers file encryption and contact backup for added security and convenience.
- Two-way storage between iOS and MAC/PC
- No Wi-Fi or network signal required
- Seamless file transfer, viewing, and sharing
- Organize, edit, and manage files
- Play music and videos directly from the drive
- File encryption
- Contacts backup and restore
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The SL Udisk is the ultimate solution for memory expansion on iOS device. It's provides two-way storage between iOS and MAC/PC without Wi-Fi, network signal or battery power. Compatible with virtually all devices featuring a Lightning connector, this ultra-slim and fast flash drive enables users to seamlessly transfer, view and share documents, images, video and audio files between a multitude of gadgets. Organize, edit and manage files across multiple platforms, including iPad, iPhone and more. Play music and videos directly from the freeing up space on your devices. Other features include file encryption, contacts backup-restore. Whether traveling by airplane for a business trip, stuck in a remote location without reception, or wanting to share photos and videos of a recent vacation, SL Udisk fits perfectly into any lifestyle.
I
Manage all your files on iOS devices with ease. This app allows you to exchange files between different devices and platforms, back up contacts and camera roll, and play media directly from your device. It supports a wide range of document, image, audio, and video file formats.
- File management for iOS devices
- Cross-device file exchange
- Contact and camera roll backup
- Video and music playback
- Image and document preview
- Support for various file formats
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The I-USBKey Pro is the best way to manage all your files on iOS devices,Exchanges files with different devices & platforms with ease. 1.Backup Contacts and Camera Roll. 2.Play Videos,Musics. 3.Preview Images,World. Supported File Formats: Document:DOC,XLS,PPT,TXT,else; Image:JPG,JPEG,BMP,GIF,else; Audio:MP3,AAC,AIF,else; Video:MP4,MOV,MKV,AVI,FLV,RMVB,ELSE;
Screenshots
Verdict
The clearest difference is review sentiment: I at 50% against SL Udisk's 0%. I also leads on rating (5.0 vs 4.0) and update cadence (every 9 days vs every 6 weeks). On price, ratings volume, ads and in-app purchases 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.
I holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 0% of SL Udisk's written reviews are positive against 50% of I's.
SL Udisk ships an update every 6 weeks, I every 9 days. Both last shipped on November 2, 2026.
| Parameter | SL Udisk | I |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 | 8.0 |
| Further details — not scored | ||
| Size | 25 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Shiling Digital Technology.co., Ltd | zhong qibiao |
Customer experience
SL Udisk
I
In-app purchases
SL Udisk
No in-app purchases
I
No in-app purchases
