Comparison

SCRCalc vs FEDECANAT

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

Head to head

About

SCRCalc

Easily calculate your Surface Consumption Rate (SCR) for scuba diving without memorizing complex formulas. Input your data and get your SCR instantly, helping you track your consumption and potentially impress dive guides.

Highlights

Calculate SCR for scuba diving
No need to memorize formulas
Easy data input
Track air consumption
Impress dive guides

Features

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スクーバダイビングの水面換算空気消費率（SCR）を計算するアプリです。面倒な公式を覚えなくても、必要なデータを入力するだけでSCRが計算できます。今まで、計算していなかった人もこれを使えば自分のSCRが簡単に把握できるようになります。ガイドやインストラクターがログブックをチェックする際に、SCRが記入されていると、「できるダイバー」と評価されて「とっておきのポイント」に案内してもらえるかも・・・

About

FEDECANAT

Features

Read full description

Aplicación oficial de la Federación Canaria de Natación. Consigue tu licencia federativa digital, y conviértela en tu acreditación para el acceso a la competición. Información sobe las competiciones, listados de inscrit@s, listas de salida y resultados, y todo, desde la palma de tu mano.

Screenshots

SCRCalc4 screens

FEDECANAT4 screens

Verdict

The call

The clearest difference is price: FEDECANAT at Free against SCRCalc's $0.99. FEDECANAT also leads on iOS requirement (12.0 vs 27.0). On update cadence, 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

FEDECANAT is free to download; SCRCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SCRCalc ships an update every 9 months, FEDECANAT every 10 months. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 6 level

SCRCalc versus FEDECANAT: the parameters behind the verdict, then further details
Parameter	SCRCalc	FEDECANAT
Price	$0.99	Free — better
Positive reviews	100.0% of reviews	—
Update frequency	Every 9 months — better	Every 10 months
Ads	No	No
In-app purchases	No	No
Monetization	Paid	—
Devices	iPhone, iPad, Mac — better	iPhone, iPod
Requires iOS	27.0	12.0 — better
Further details — not scored
Size	1 MB	10 MB
Age rating	4+	4+
Developer	Office Proteus	Overcom 7 Islas, S.L.

In-app purchases

None

SCRCalc

No in-app purchases

None

FEDECANAT

No in-app purchases

Questions

Is SCRCalc free?

SCRCalc costs $0.99, with no in-app purchases.

Is FEDECANAT free?

FEDECANAT is free to download, with no in-app purchases.

Do SCRCalc or FEDECANAT have ads?

Neither SCRCalc nor FEDECANAT shows ads.

Which is updated more often, SCRCalc or FEDECANAT?

SCRCalc ships an update every 9 months, and FEDECANAT every 10 months. Most recently, SCRCalc was updated on October 12, 2026 and FEDECANAT on September 26, 2026.