Comparison

Diving Calculator vs RuntimeX

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

Head to head
About

Diving Calculator

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Diving Calculator is an app designed for divers of all levels who seek to simplify the necessary calculations for a safe and efficient dive. The app includes several tools that allow users to calculate air consumption, determine the maximum dive depth without needing to make decompression stops, and ensure they have all the necessary equipment for their underwater adventure. On the main screen, the Diving Calculator allows users to access three main features: Dive Time Calculator: This tool allows the diver to input data such as air tank capacity, initial pressure, and depth to calculate how many liters of air will be consumed during the dive and how many bars the tank should have before diving. Decompression Stop Calculator: Based on the depth and dive time, the app simulates the behavior of a dive computer, providing the user with the necessary information to know how long they can stay at a given depth without making decompression stops. Equipment Checklist: The app includes a complete checklist with all the essential gear for a safe dive. From the regulator to the wetsuit, users can ensure they don't forget any equipment before getting into the water. The design of the Diving Calculator is visually appealing, using blue tones that evoke the underwater environment. The interface is intuitive, allowing both novice and experienced divers to use the app without complications. This tool is an indispensable companion for planning safe dives, allowing users to focus on enjoying their underwater experience, knowing they have performed all the key calculations accurately. Diving Calculator is an essential tool for any diving enthusiast who wants to ensure their safety underwater, optimizing air consumption and minimizing risks during the dive.

About

RuntimeX

Features
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RuntimeX is a dive planner designed for advanced recreational and technical divers who want to create and manage dive plans in a simple, fast and reliable way. It supports Open Circuit Multi-Gas and Closed Circuit Rebreather (CCR) dives, allowing you to plan complex profiles with gas switches, multiple setpoints and detailed decompression. RuntimeX integrates the Bühlmann ZHL-16C and VPM decompression algorithms, letting you analyze different decompression strategies and generate complete runtimes for every dive. Key Features • Open Circuit Multi-Gas dive planning • CCR support with setpoint management • Bühlmann ZHL-16C and VPM algorithms • Automatic decompression calculation • Nitrox, Trimix and Oxygen support • Gas switch management during the dive • Detailed runtime analysis • Dive profile visualization • Save and edit dive plans • Quick duplication of existing plans • Intuitive interface optimized for field use Designed for technical diving Whether you're planning a simple recreational dive or a complex technical dive with Trimix and accelerated decompression, RuntimeX helps you organize your plan in seconds. The app is designed to provide quick access to essential information, with a clean interface focused on planning. Disclaimer RuntimeX is a dive planning tool. All generated plans must be reviewed and validated by the user before use. The user is solely responsible for the correct execution of the dive and for compliance with all applicable safety procedures.

Screenshots

Diving Calculator4 screens
RuntimeX4 screens

Verdict

The call

The clearest difference is update cadence: RuntimeX at every 2 days against Diving Calculator's weekly. Diving Calculator's advantage is iOS requirement (12.0 vs 26.0). 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 Calculator ships an update weekly, RuntimeX every 2 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 4 level
Diving Calculator versus RuntimeX: the parameters behind the verdict, then further details
ParameterDiving CalculatorRuntimeX
PriceFreeFree
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size33 MB4 MB
Age rating4+4+
DeveloperAlberto SegoviaMATTEO GARZULANO

In-app purchases

None

Diving Calculator

No in-app purchases

None

RuntimeX

No in-app purchases

Questions

Is Diving Calculator free?
Diving Calculator is free to download, with no in-app purchases.
Is RuntimeX free?
RuntimeX is free to download, with no in-app purchases.
Do Diving Calculator or RuntimeX have ads?
Neither Diving Calculator nor RuntimeX shows ads.
Which is updated more often, Diving Calculator or RuntimeX?
Diving Calculator ships an update weekly, and RuntimeX every 2 days. Most recently, Diving Calculator was updated on October 6, 2026 and RuntimeX on October 7, 2026.

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