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Comparison

Dugong vs BJ Co2 Table

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

Head to head
Dugong
Dugong

ํ”„๋ฆฌ๋‹ค์ด๋ฒ„๋ฅผ ์œ„ํ•œ ๊ธฐ๋ก ๋ฐ ํ›ˆ๋ จ ์•ฑ

Free
๐Ÿ’ช Health & Fitness
No ratingsView app โ†’
BJ Co2 Table
BJ Co2 Table
$3.99
๐Ÿ’ช Health & Fitness
No ratingsView app โ†’
About

Dugong

This app helps free divers track their training and log dives. It includes CO2/O2 tables and a dry static training function to improve performance and build a personal dive log.

Highlights
  • CO2/O2 training tables
  • Dry static training function
  • Dive logbook creation
  • Performance tracking
  • Personalized training
Features
Read full description

CO2/O2 table for free diving training, dry static training function. Make a record and complete your own free diving logbook!

About

BJ Co2 Table

Features
Read full description

"๋‚˜๋งŒ์˜ ํ”„๋ฆฌ๋‹ค์ด๋น™ ํŠธ๋ ˆ์ด๋„ˆ"์™€ ํ•จ๊ป˜ ๋” ๊นŠ๊ณ  ์ž์œ ๋กœ์šด ๋ฐ”๋‹ค๋กœ์˜ ์—ฌ์ •์„ ์‹œ์ž‘ํ•˜์„ธ์š”! ๋ณธ ์•ฑ์€ ํ”„๋ฆฌ๋‹ค์ด๋ฒ„๋“ค์ด ๊ฐ€์žฅ ํ•ต์‹ฌ์ ์œผ๋กœ ์ˆ˜ํ–‰ํ•˜๋Š” CO2 ํ…Œ์ด๋ธ” ํ›ˆ๋ จ์„ ์ฒด๊ณ„์ ์œผ๋กœ ๋„์™€์ฃผ๋Š” ๋งž์ถคํ˜• ํŠธ๋ ˆ์ด๋‹ ํŒŒํŠธ๋„ˆ์ž…๋‹ˆ๋‹ค. ์ดˆ๋ณด์ž๋ถ€ํ„ฐ ์ˆ™๋ จ๋œ ๋‹ค์ด๋ฒ„๊นŒ์ง€, ๋ˆ„๊ตฌ๋‚˜ ์‰ฝ๊ณ  ์•ˆ์ „ํ•˜๊ฒŒ ๋ฌดํ˜ธํก(Apnea) ๊ธฐ๋ก์„ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ๋„๋ก ์„ค๊ณ„๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ฃผ์š” ๊ธฐ๋Šฅ ๋งž์ถคํ˜• CO2 ํ…Œ์ด๋ธ”: ๋ณธ์ธ์˜ ํ˜„์žฌ ๊ธฐ๋Ÿ‰์— ๋งž์ถฐ ์ˆจ์ฐธ๊ธฐ ๋ฐ ํœด์‹ ์‹œ๊ฐ„์„ ์„ธ๋ฐ€ํ•˜๊ฒŒ ์กฐ์ ˆํ•˜์—ฌ ํšจ์œจ์ ์ธ ํ›ˆ๋ จ ์„ธ์…˜์„ ๊ตฌ์„ฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ง๊ด€์ ์ธ ํ›ˆ๋ จ ํƒ€์ด๋จธ: ํ›ˆ๋ จ ์ค‘ ํ˜„์žฌ ๋ผ์šด๋“œ, ์ง„ํ–‰๋ฅ , ๋‹ค์Œ ๋‹จ๊ณ„๊นŒ์ง€ ๋‚จ์€ ์‹œ๊ฐ„์„ ์‹œ๊ฐ์ ์œผ๋กœ ๋ช…ํ™•ํ•˜๊ฒŒ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ๋‹ค๊ตญ์–ด ์ง€์›: ํ•œ๊ตญ์–ด์™€ ์˜์–ด๋ฅผ ์™„๋ฒฝํ•˜๊ฒŒ ์ง€์›ํ•˜์—ฌ, ๊ธ€๋กœ๋ฒŒ ํ”„๋ฆฌ๋‹ค์ด๋น™ ์ปค๋ฎค๋‹ˆํ‹ฐ ์–ด๋””์„œ๋“  ํ™œ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ›ˆ๋ จ ํ™˜๊ฒฝ ์ปค์Šคํ…€: ๋‚ด๊ฐ€ ์ง์ ‘ ์ฐ์€ ๋ฉ‹์ง„ ๋ฐ”๋‹ค ์‚ฌ์ง„์ด๋‚˜ ์ข‹์•„ํ•˜๋Š” ์ด๋ฏธ์ง€๋ฅผ ๋ฐฐ๊ฒฝ์œผ๋กœ ๋“ฑ๋กํ•˜์—ฌ ์ฆ๊ฒ๊ฒŒ ํ›ˆ๋ จํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹ฌํ”Œํ•˜๊ณ  ์ง๊ด€์ ์ธ UI: ๋ณต์žกํ•œ ์„ค์ • ์—†์ด๋„ ํ•ต์‹ฌ ๊ธฐ๋Šฅ์— ์ง‘์ค‘ํ•  ์ˆ˜ ์žˆ๋Š” ๊น”๋”ํ•œ ๋””์ž์ธ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์ด์ œ ๋ฌด๊ฑฐ์šด ์žฅ๋น„ ์—†์ด๋„ ์–ธ์ œ ์–ด๋””์„œ๋‚˜ '๋‚˜๋งŒ์˜ ํ”„๋ฆฌ๋‹ค์ด๋น™ ํŠธ๋ ˆ์ด๋„ˆ'์™€ ํ•จ๊ป˜ ๋‹น์‹ ์˜ ํ•œ๊ณ„๋ฅผ ๋›ฐ์–ด๋„˜์–ด ๋ณด์„ธ์š”. ์ฃผ์˜: ํ”„๋ฆฌ๋‹ค์ด๋น™ ํ›ˆ๋ จ์€ ๋ฐ˜๋“œ์‹œ ์ฃผ๋ณ€์˜ ์•ˆ์ „์„ ํ™•์ธํ•œ ์ƒํƒœ์—์„œ ์ง„ํ–‰ํ•˜์‹œ๊ณ , ์ ˆ๋Œ€๋กœ ๋ฌผ ์†์—์„œ๋Š” ๋‹จ๋…์œผ๋กœ ํ›ˆ๋ จํ•˜์ง€ ๋งˆ์‹ญ์‹œ์˜ค.

Screenshots

Dugong4 screens
BJ Co2 Table3 screens

Verdict

The call

The clearest difference is price: Dugong at Free against BJ Co2 Table's $3.99. Dugong also leads on update cadence (every 4 days vs every 3 weeks). BJ Co2 Table's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads 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

Dugong is free to download; BJ Co2 Table costs $3.99 up front. Dugong sells 1 one-off in-app purchase. BJ Co2 Table asks for nothing beyond the download.

UpkeepUpdate frequency

Dugong ships an update every 4 days, BJ Co2 Table every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard5 real differences ยท 3 level
Dugong versus BJ Co2 Table: the parameters behind the verdict, then further details
ParameterDugongBJ Co2 Table
PriceFree โ€” better$3.99
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 4 days โ€” betterEvery 3 weeks
AdsYesYes
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size57 MB27 MB
Age rating4+4+
DeveloperJaeWon Leejaeyoung park

In-app purchases

1 purchases

Dugong

One-time1
  • Remove Ads$2.99
None

BJ Co2 Table

No in-app purchases

Questions

Is Dugong free?
Dugong is free to download, with in-app purchases available.
Is BJ Co2 Table free?
BJ Co2 Table costs $3.99, with no in-app purchases.
Do Dugong or BJ Co2 Table have ads?
Both Dugong and BJ Co2 Table show ads.
Which is updated more often, Dugong or BJ Co2 Table?
Dugong ships an update every 4 days, and BJ Co2 Table every 3 weeks. Most recently, Dugong was updated on October 24, 2026 and BJ Co2 Table on October 25, 2026.

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