Comparison

Diving Log vs BSAC Member

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

Head to head
About

Diving Log

This app serves as a customizable digital logbook for scuba divers. It allows users to record detailed dive information, including depth, time, location, and environmental conditions. Users can also add photos, instructor signatures, and export logs for social sharing.

Highlights
  • Customizable dive logbook
  • Record dive details (depth, time, temp)
  • Map dive point locations
  • Add photos and instructor signatures
  • Export logs to social media
  • Graph display of depth intervals
Features
Read full description

TUSA Diving LOG is a diving logbook app, which enables you to upload log data from TUSA IQ1204 DC Solar Link to your smartphone using Bluetooth® SMART. The TUSA Diving LOG App has many customizable functions to record the details of your dive. Information such as entry time, exit time, dive time, maximum water depth, average water depth, water temperature, air consumption, and much more can be recorded. Customize your dive log by recording dive point locations using maps, add photos, and capture signatures from an instructor. In addition, detailed water depth and warning information can be recorded at intervals, and uploaded to your app. Also you can easily export dive log information as images to share on Facebook, Twitter, or other social media. TUSA Diving LOG can be used independently of TUSA IQ1204 DC Solar link to record basic log information. --TUSA Diving LOG-- • Featuring: - Customizable scuba diving log book (create, edit, and browse log history) - Graph display of depth intervals - Record dive point locations using maps - Export log information as an image to share on social media - Dive instructor verification signature - Ability to toggle ON/OFF all menu display items • Information Recording: - Maximum Water Depth (including graph display and current time) - Average Water Depth - Total Bottom Time (including Entry and Exit Time) - Date - Location - Dive Points (Map Display) - Entry Point (Boat or Beach) - Residual Pressure Start and End Time - Air Consumption - Weather - Wave Height - Current - Wind - Water Temperature - Lowest Water Temperature - Visibility - Gas Type - Cylinder Type & Volume - Safety Factors: N2 & O2 Indicators - Ascent Rate Warning - Decompression Dive Warning - Decompression Depth Warning - PO2 warning - O2 warning - Maximum Depth Alarm - M Value Warning - Weight - Instructors Name - Instructor Verification Signature - Buddy Name - Memo • Creating a New Dive Log with TUSA Diving LOG App - Press the “New Log” button on the home screen to create your new dive log. • How to Pair TUSA IQ1204 DC Solar Link with DiveLog App - When you create a new dive, first press the blue “Link with DC Solar” button on top in order to pair your TUSA IQ1204 DC Solar Link. Press the “Start Search” button displayed at the bottom of the screen. Make sure to follow all instructions on the screen in order to successfully upload your dive log information in the Diving LOG app.

About

BSAC Member

Features
Read full description

BSAC Japanのアプリをインストールすれば、あなたが取得したBSACのCカードがス マートフォンの中に! もう増えたCカードがかさばる心配や、ダイビングに行く際にCカードを忘れる心配も ありません。 ぜひBSAC Japanのアプリを利用して、スマートなダイビングライフを送りましょう! 【利用対象ユーザー】 BSAC Japanに登録中のメンバーが対象となります。 【利用シーン】 ・アプリのデジタルCカードを表示することで、取得したランクの証明ができます。 ・過去に取得したランクの履歴を確認することができます。 【アプリを使ってできること】 ・取得したCカードアプリの一覧表示  *オフラインでも利用可能です。 ・BSAC Japanに登録されている情報の表示 【ご使用にあたって】 1.メンバーサイト(https://member.bsac.co.jp/)のログインID、パスワードにてログインできます。 2.メンバーサイトのログインID、パスワードがご不明の場合は、問い合わせフォーム(https://www.bsac.co.jp/contact/)よりお問合せください。

Screenshots

Diving Log4 screens
BSAC Member4 screens

Verdict

The call

The clearest difference is update cadence: BSAC Member at every 10 days against Diving Log's every 9 months. BSAC Member also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Diving Log ships an update every 9 months, BSAC Member every 10 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Diving Log versus BSAC Member: the parameters behind the verdict, then further details
ParameterDiving LogBSAC Member
PriceFreeFree
Rating2.0 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 9 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size22 MB49 MB
Age rating4+4+
DeveloperTABATA CO.,LTD.BSAC Japan

In-app purchases

None

Diving Log

No in-app purchases

None

BSAC Member

No in-app purchases

Questions

Is Diving Log free?
Diving Log is free to download, with no in-app purchases.
Is BSAC Member free?
BSAC Member is free to download, with no in-app purchases.
Do Diving Log or BSAC Member have ads?
Neither Diving Log nor BSAC Member shows ads.
Which is updated more often, Diving Log or BSAC Member?
Diving Log ships an update every 9 months, and BSAC Member every 10 days. Most recently, Diving Log was updated on October 8, 2026 and BSAC Member on October 7, 2026.

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