Comparison

ダイバー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

ダイバーLOG

Easily transfer and view your dive logs from Calm Plus +. Keep a digital record of your underwater adventures and access them anytime.

Highlights

Transfer dive logs
View dive logs
Calm Plus + integration
Digital logbook
Sports tracking

Features

Read full description

This is an app for transferring and viewing Dive logs from Calm Plus +.

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

ダイバーLOG3 screens

BSAC Member4 screens

Verdict

The call

The clearest difference is update cadence: BSAC Member at every 10 days against ダイバーLOG's every 2 months. 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

ダイバーLOG ships an update every 2 months, BSAC Member every 10 days. The most recent releases landed on September 21, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 7 level

ダイバーLOG versus BSAC Member: the parameters behind the verdict, then further details
Parameter	ダイバーLOG	BSAC Member
Price	Free	Free
Positive reviews	8.7% of reviews	—
Update frequency	Every 2 months	Every 10 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone	iPhone, iPod — better
Requires iOS	16.0	15.0 — better
Further details — not scored
Size	39 MB	49 MB
Age rating	4+	4+
Developer	HEAD JAPAN K.K.	BSAC Japan

In-app purchases

None

ダイバーLOG

No in-app purchases

None

BSAC Member

No in-app purchases

Questions

Is ダイバーLOG free?

ダイバー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 ダイバーLOG or BSAC Member have ads?

Neither ダイバーLOG nor BSAC Member shows ads.

Which is updated more often, ダイバーLOG or BSAC Member?

ダイバーLOG ships an update every 2 months, and BSAC Member every 10 days. Most recently, ダイバーLOG was updated on September 21, 2026 and BSAC Member on October 7, 2026.