1. Home
  2. πŸ”§ Utilities
  3. SJI
  4. vs UBio
Comparison

SJI vs UBio

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

Head to head
SJI - UWBApplication
SJI
Free
πŸ”§ Utilities
No ratingsView app β†’
UBio-Xkey
UBio
Free
πŸ”§ Utilities
No ratingsView app β†’
About

SJI

Features
Read full description

If the user has a normal functioning UWB Tag, the app can connect with the tag to obtain the distance, azimuth, and elevation between the tag and the connected phone

About

UBio

Read full description

1) UBio-XKey λͺ¨λ°”일킀 μ‹œμŠ€ν…œμ΄λž€ - μΆœμž…ν†΅μ œλ₯Όμœ„ν•΄ 기쑴의 물리적인 μΉ΄λ“œ, 생체인식 정보(홍채,μ–Όκ΅΄,지문)외에 λͺ¨λ°”일폰을 μΈμ¦μˆ˜λ‹¨μœΌλ‘œ μ‚¬μš©ν• μˆ˜ μžˆμŠ΅λ‹ˆλ‹€ - μ˜€ν”ΌμŠ€,ν™ˆ,μž„λŒ€μ£Όνƒ,가계등에 기쑴의 μΆœμž…ν†΅μ œμ‹œμŠ€ν…œμ— μ‚¬μš©ν• μˆ˜ μžˆμŠ΅λ‹ˆλ‹€ 2) UBIo-XKey의 기술 λ²”μœ„ - UBIo-XKeyλŠ” BLE(iOS) 지원 μ–΄ν”Œλ¦¬μΌ€μ΄μ…˜μ΄λ©° μΆœμž…μ„ μœ„ν•œ μΈμ¦μˆ˜λ‹¨μœΌλ‘œλ§Œ μ‚¬μš©ν•©λ‹ˆλ‹€ 3) UBio-XKey의 λͺ©μ  - μΆœμž…μ œμ–΄ μ‹œμŠ€ν…œμ—μ„œ κΈ°μ‘΄ μΈμ¦μˆ˜λ‹¨(λ¬Όλ¦¬μ μΉ΄λ“œ,생체인식정보)에 μΆ”κ°€λ˜λŠ” μΈμ¦μˆ˜λ‹¨μœΌλ‘œ μΆœμž…μ΄ μ£Όλͺ©μ μž…λ‹ˆλ‹€ - κΈ°μ‘΄ μΆœμž…ν†΅μ œμ‹œμŠ€ν…œμ— μΆ”κ°€λ˜λŠ” κΈ°λŠ₯으둜 μ˜€ν”ΌμŠ€,ν™ˆ,μž„λŒ€μ£Όνƒ,가계등에 μ‚¬μš©ν• μˆ˜ μžˆμŠ΅λ‹ˆλ‹€ 4) UBio-XKey μ‚¬μš©μž - UBio Series μΆœμž…ν†΅μ œμ‹œμŠ€ν…œμ„ μ‚¬μš©ν•˜λŠ” 고객을 λŒ€μƒμœΌλ‘œ μ„œλΉ„μŠ€λ₯Ό μ œκ³΅ν•©λ‹ˆλ‹€

Screenshots

SJI4 screens
UBio3 screens

Verdict

The call

The clearest difference is update cadence: SJI at every 2 weeks against UBio's every 21 months. SJI also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SJI ships an update every 2 weeks, UBio every 21 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

Scorecard2 real differences Β· 4 level
SJI versus UBio: the parameters behind the verdict, then further details
ParameterSJIUBio
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterEvery 21 months
AdsNoβ€”
In-app purchasesNoNo
DevicesiPhone, iPod β€” betterβ€”
Requires iOS15.0 β€” better15.6
Further details β€” not scored
Size1 MB40 MB
Age rating4+4+
DeveloperSJI Co.,LtdUNION biometrics Co., Ltd.

In-app purchases

None

SJI

No in-app purchases

None

UBio

No in-app purchases

Questions

Is SJI free?
SJI is free to download, with no in-app purchases.
Is UBio free?
UBio is free to download, with no in-app purchases.
Which is updated more often, SJI or UBio?
SJI ships an update every 2 weeks, and UBio every 21 months. Most recently, SJI was updated on September 10, 2026 and UBio on September 18, 2026.

Other comparisons

SJIEMF ScanSJI vs EMF ScanCompare β†’SJIKIGIS ManagerSJI vs KIGIS ManagerCompare β†’SJIMillisecond stopwatch & timerSJI vs Millisecond stopwatch & timerCompare β†’SJILog ClapSJI vs Log ClapCompare β†’UBioVURIXUBio vs VURIXCompare β†’UBioAILNUBio vs AILNCompare β†’UBioSungongUBio vs SungongCompare β†’UBioCheungUBio vs CheungCompare β†’