Comparison

DataLock vs U8

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

Head to head
About

DataLock

Secure your sensitive data with a Bluetooth-enabled USB drive. This app allows you to unlock your drive using your iPhone or Apple Watch with multiple authentication options for enhanced protection.

Highlights
  • Bluetooth authentication
  • Multi-factor authentication
  • Lock/unlock USB drives
  • Supports Flash, HDD/SDD drives
  • Cross-platform compatibility
Features
Read full description

Note: Requires purchase of a DataLock® BT Secured USB drive. DataLock BT Technology (by ClevX) enables customers to use their iPhone or Apple Watch to authenticate user for access to the drive via Bluetooth Smart®. Multilayer user-authentication is available via: phone, phone + PIN, or phone + PIN + User ID/location/time. The DataLock app allows users to lock/unlock their DataLock BT drives (Flash, HDD/SDD) to keep their personal and business information protected. Multiple-factor authentication is supported. DataLock BT drives can be used with any host OS (i.e., Windows, Mac, Linux, Chrome, etc.) and any devices (computers, medical devices, TVs, DVDs, cars, printers, scanners, projectors, etc.) that have a standard USB port. DataLock BT requires no software preloaded on the drives.

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

DataLock4 screens
U82 screens

Verdict

The call

The clearest difference is rating: DataLock at 5.0 against U8's 4.1. DataLock also leads on in-app purchases (none vs 1) and ads (none vs shown). U8's advantage is ratings volume (10 vs 3). On price, update cadence, device support and iOS requirement 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. DataLock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DataLock holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 3 and 10 respectively.

UpkeepUpdate frequency

DataLock ships an update every 2 months, U8 every 6 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
DataLock versus U8: the parameters behind the verdict, then further details
ParameterDataLockU8
PriceFreeFree
Rating5.0 (3 ratings) — better4.1 (10 ratings)
Positive reviews—64.3% of reviews
Number of ratings310 — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size29 MB26 MB
Age rating4+4+
DeveloperCLEVX, LLCErxiangHeyi Information

Customer experience

DataLock

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

U8

All ratings10 ratings
Positive70.0%
Neutral20.0%
Negative10.0%
Written reviews14 reviews
Positive64.3%
Neutral14.3%
Negative21.4%

In-app purchases

None

DataLock

No in-app purchases

1 purchases

U8

One-time1
  • LifeTime$3.99

Questions

Is DataLock free?
DataLock 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, DataLock or U8?
DataLock is rated higher. DataLock averages 5.0 out of 5 from 3 ratings, while U8 averages 4.1 from 10 ratings.
Do DataLock or U8 have ads?
U8 shows ads; DataLock does not.
Which is updated more often, DataLock or U8?
DataLock ships an update every 2 months, and U8 every 6 weeks. Most recently, DataLock was updated on October 2, 2026 and U8 on October 10, 2026.

Other comparisons