Comparison

UBio vs Sungong

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

Head to head
About

UBio

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1) UBio-XKey ๋ชจ๋ฐ”์ผํ‚ค ์‹œ์Šคํ…œ์ด๋ž€ - ์ถœ์ž…ํ†ต์ œ๋ฅผ์œ„ํ•ด ๊ธฐ์กด์˜ ๋ฌผ๋ฆฌ์ ์ธ ์นด๋“œ, ์ƒ์ฒด์ธ์‹ ์ •๋ณด(ํ™์ฑ„,์–ผ๊ตด,์ง€๋ฌธ)์™ธ์— ๋ชจ๋ฐ”์ผํฐ์„ ์ธ์ฆ์ˆ˜๋‹จ์œผ๋กœ ์‚ฌ์šฉํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค - ์˜คํ”ผ์Šค,ํ™ˆ,์ž„๋Œ€์ฃผํƒ,๊ฐ€๊ณ„๋“ฑ์— ๊ธฐ์กด์˜ ์ถœ์ž…ํ†ต์ œ์‹œ์Šคํ…œ์— ์‚ฌ์šฉํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค 2) UBIo-XKey์˜ ๊ธฐ์ˆ  ๋ฒ”์œ„ - UBIo-XKey๋Š” BLE(iOS) ์ง€์› ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์ด๋ฉฐ ์ถœ์ž…์„ ์œ„ํ•œ ์ธ์ฆ์ˆ˜๋‹จ์œผ๋กœ๋งŒ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค 3) UBio-XKey์˜ ๋ชฉ์  - ์ถœ์ž…์ œ์–ด ์‹œ์Šคํ…œ์—์„œ ๊ธฐ์กด ์ธ์ฆ์ˆ˜๋‹จ(๋ฌผ๋ฆฌ์ ์นด๋“œ,์ƒ์ฒด์ธ์‹์ •๋ณด)์— ์ถ”๊ฐ€๋˜๋Š” ์ธ์ฆ์ˆ˜๋‹จ์œผ๋กœ ์ถœ์ž…์ด ์ฃผ๋ชฉ์ ์ž…๋‹ˆ๋‹ค - ๊ธฐ์กด ์ถœ์ž…ํ†ต์ œ์‹œ์Šคํ…œ์— ์ถ”๊ฐ€๋˜๋Š” ๊ธฐ๋Šฅ์œผ๋กœ ์˜คํ”ผ์Šค,ํ™ˆ,์ž„๋Œ€์ฃผํƒ,๊ฐ€๊ณ„๋“ฑ์— ์‚ฌ์šฉํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค 4) UBio-XKey ์‚ฌ์šฉ์ž - UBio Series ์ถœ์ž…ํ†ต์ œ์‹œ์Šคํ…œ์„ ์‚ฌ์šฉํ•˜๋Š” ๊ณ ๊ฐ์„ ๋Œ€์ƒ์œผ๋กœ ์„œ๋น„์Šค๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค

About

Sungong

Features
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Meet "Sungong" Pomodoro Timer, designed to help you focus entirely on your pure study time. "Sungong" is more than just a timer. It's a focus companion built to keep you in the flow without distractions. [Key Features] 1. Pomodoro Timer - Fully supports the Pomodoro technique with alternating Focus and Break sessions. - Create and manage unlimited custom presets to fit your routine. - Keep your momentum going with the auto-cycle feature that starts the next session automatically. 2. Relaxing White Noise & Soundscapes - Mix and play over 20 selected white noisesโ€”like rain, campfire, forest, and cafe soundsโ€”alongside other music apps. - Gentle notification sounds, including a resonant singing bowl, calmly notify you when focus time ends. 3. Screen Burn-in Prevention - Keep your screen on while studying without worry. The timer text shifts randomly every minute to protect your OLED screen from burn-in. 4. Detailed Study Stats & 9 Analytics Reports - Visualize your weekly and monthly study progress with intuitive bar charts. - Track 9 key metricsโ€”such as total focus time, goal achievement rate, and longest streakโ€”to improve your learning habits. 5. Cloud Sync & Backup - Securely back up and restore your study records and presets across multiple devices using Google login. Experience the power of pure concentration with "Sungong" today!

Screenshots

UBio3 screens
Sungong4 screens

Verdict

The call

The clearest difference is update cadence: Sungong at every 11 days against UBio's every 21 months. UBio's advantage is iOS requirement (15.6 vs 17.0). On price and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

UBio ships an update every 21 months, Sungong every 11 days. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

Scorecard2 real differences ยท 4 level
UBio versus Sungong: the parameters behind the verdict, then further details
ParameterUBioSungong
PriceFreeFree
Update frequencyEvery 21 monthsEvery 11 days โ€” better
Adsโ€”Yes
In-app purchasesNoNo
Devicesโ€”iPhone โ€” better
Requires iOS15.6 โ€” better17.0
Further details โ€” not scored
Size40 MB51 MB
Age rating4+4+
DeveloperUNION biometrics Co., Ltd.joonseo park

In-app purchases

None

UBio

No in-app purchases

None

Sungong

No in-app purchases

Questions

Is UBio free?
UBio is free to download, with no in-app purchases.
Is Sungong free?
Sungong is free to download, with no in-app purchases.
Which is updated more often, UBio or Sungong?
UBio ships an update every 21 months, and Sungong every 11 days. Most recently, UBio was updated on September 18, 2026 and Sungong on September 12, 2026.

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