Comparison

i vs U8

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

i

Expand your iPhone and iPad storage with a portable drive that offers universal content access. Transfer files, back up your camera roll, and manage media with ease, even without an internet connection. Supports a wide range of formats and offers robust security features.

Highlights
  • Bi-directional Lightning and USB connector
  • Universal content access and portability
  • Comprehensive media format support
  • Camera Roll and Contacts backup
  • File encryption
  • Direct saving to flash drive
  • UHD 4K video recording
Features
Read full description

Overview The i-Memory features a bi-directional Lightning and USB connector for Apple iOS storage expansion with universal content access and portability. It is fully certified for iPhone, iPad, and iPod, allowing data transfer between them and PCs with plug and play ease. From songs to Ultra HD 4K files, users can move data free from network bandwidth or internet availability limitations. Even today, convenient and spacious physical storage is faster and more reliable than online storage, and works anywhere so you’re always in touch with content. Key Functions: 1. Comprehensive media format support The i-Memory supports nearly 40 popular media formats. For video, these include MOV, MP4, AVI, WMV, RMVB, and MKV, among others. All major audio standards are supported, alongside JPG, BMP, PNG, GIF and other image formats. i-Memory compatibility extends to the RAW file extension, leading to optimal content coverage and seamless access. 2. Camera Roll backup Keep snapping pics and capturing videos with your iPhone without worrying about on-device space running out. Quickly back up your entire Camera Roll to the i-Memory to free up capacity on your iPhone. This is especially useful while on vacation or at special events and whenever uploading to cloud storage isn’t feasible. The spacious i-Memory is there when you need it. 3. Intuitive content management We include the i-Memory app for user friendly management of all content stored on the UE710. The app works on iPhone, iPad, iPod, enabling access to documents, videos, music, and photos. Check available storage, copy, delete, rename, and preview content of videos and photos: all through a simple and fast interface. New Features: 1. One touch backup for Camera Roll / Contacts 2. Single file, multi-file, and folder-wide encryption 3. i-Memory Camera: - Save photos / videos directly to Flash drive - Built in multiple filters effects for photos - Up to UHD 4K (3840 x 2160) video recording 4. Subtitle format support: SRT, ASS, Sub 5. Support lossless Audio format: FLAC, APE, ALAC 6. RAW file preview and copy to device Camera Roll 7. Live Photos backup support on iOS 10 8. Support Chromecast for video / photo cast 9. Support AirPods music playback 10. App Lock: AI920 Flash Drive encryption via App

About

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.

Highlights
  • Zero-flow wireless file transfer
  • Ultra-fast transmission speeds (up to 30MB/s)
  • File backup and management
  • Cross-platform compatibility
  • Supports various file formats
Features
Read full description

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! ;

Screenshots

i4 screens
U82 screens

Verdict

The call

The clearest difference is review sentiment: U8 at 64% against i's 15%. U8 also leads on rating (4.0 vs 2.8). i's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. U8 sells 1 one-off in-app purchase. i asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

U8 holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 23 and 9 respectively. Written reviews point the same way: 15% of i's written reviews are positive against 64% of U8's.

UpkeepUpdate frequency

i ships an update every 5 weeks, U8 every 6 weeks. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
i versus U8: the parameters behind the verdict, then further details
ParameteriU8
PriceFreeFree
Rating2.8 (23 ratings)4.0 (9 ratings) — better
Positive reviews15.4% of reviews64.3% of reviews — better
Number of ratings23 — better9
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size72 MB26 MB
Age rating4+4+
DeveloperADATA Technology Co., Ltd.ErxiangHeyi Information

Customer experience

i

All ratings23 ratings
Positive39.1%
Neutral8.7%
Negative52.2%
Written reviews253 reviews
Positive15.4%
Neutral10.3%
Negative74.3%

U8

All ratings9 ratings
Positive66.7%
Neutral22.2%
Negative11.1%
Written reviews14 reviews
Positive64.3%
Neutral14.3%
Negative21.4%

In-app purchases

None

i

No in-app purchases

1 purchases

U8

One-time1
  • LifeTime$3.99

Questions

Is i free?
i is free to download, with no in-app purchases.
Is U8 free?
U8 is free to download, with in-app purchases available.
Which has better reviews, i or U8?
U8 is rated higher. i averages 2.8 out of 5 from 23 ratings, while U8 averages 4.0 from 9 ratings.
Do i or U8 have ads?
U8 shows ads; i does not.
Which is updated more often, i or U8?
i ships an update every 5 weeks, and U8 every 6 weeks. Most recently, i was updated on September 20, 2026 and U8 on September 17, 2026.

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