Diving Log vs BSAC JAPAN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
BSAC JAPAN
Display your BSAC C-card digitally on your smartphone, eliminating the need to carry physical cards. Submit diving application forms and medical documents easily through the app. Access your diver information and official BSAC resources for a streamlined diving experience.
- Digital C-card display
- Submit diving application forms
- Send diver medical documents
- Apply for C-cards
- View registration information
- Access BSAC website and shop
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BSAC Japanのダイバーアプリをインストールすれば、あなたが取得したBSACのCカードをスマートフォンに表示できます! ダイビングの際にCカードを忘れてしまったり、増えたカードでログファイルがかさばる心配もありません。 さらに、毎回潜るたびに申込書類へ記入する手間を省ける「便利な申込機能」も搭載。 ぜひBSAC Japanのダイバーアプリを利用して、快適なダイビングライフをお楽しみください! 【利用対象ユーザー】 ・BSAC Japanのコースを受講してCカードを取得された方 ※申込機能はBSAC以外の教育機関でCカードを取得された方もご利用いただけます。 (日本語のみ対応) 【利用シーン】 ・Cカードを忘れても、スマートフォンで提示可能 ・スキンダイビング・スクーバダイビングの参加時に必要な書類をアプリから簡単送信 ・Cカード(エクスペリエンスカードを含む)の申請を、アプリから簡単に入力し送信 【アプリでできること】 ・デジタルCカードで取得ランクを表示 ・各種コースやファンダイビング(スクーバダイビング・スノーケリング・スキンダイビング)の申込書類、ダイバーメディカル、確認書を送信 ・Cカード申請(エクスペリエンスカード含む) ・現在の登録情報を表示 ・BSACの公式WEBサイトやショッピングサイトへのアクセス 【注意事項】 ・デジタルCカードはオフラインでも表示可能 ・一部のカード(EXPERIENCE CARDなど)は表示対象外 【ご利用方法】 まずは「はじめてアプリをご利用の方」からユーザー登録を行ってください。 ●BSACのCカードをお持ちの方 1.ダイバーIDを確認 2.ダイバーID・CカードNO・氏名・メールアドレス・パスワードを入力し「ユーザー登録」 3.登録したメールアドレス宛に届いた確認メールのリンクをクリックし本登録 4.アプリのログイン画面に戻り、設定したメールアドレスとパスワードでログイン ●BSACのCカードをお持ちでない方 1.ポップアップの内容を確認し「理解した」をタップ 2.必要情報を入力し「ユーザー登録」 3.登録したメールアドレス宛に届いた確認メールのリンクをクリックし本登録 4.アプリのログイン画面に戻り、設定したメールアドレスとパスワードでログイン
Screenshots
Verdict
The clearest difference is update cadence: BSAC JAPAN at every 5 weeks against Diving Log's every 9 months. BSAC JAPAN also leads on review sentiment (67% vs 50%) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Diving Log ships an update every 9 months, BSAC JAPAN every 5 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | Diving Log | BSAC JAPAN |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | TABATA CO.,LTD. | BSAC Japan |
Customer experience
Diving Log
BSAC JAPAN
In-app purchases
Diving Log
No in-app purchases
BSAC JAPAN
No in-app purchases









