Comparison

Surface Air Consumption vs Dive Planner Calculator

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

Head to head
About

Surface Air Consumption

This utility calculates surface air consumption (SAC) rates and air needs at depth using only user-provided dive profile data. It does not compute nitrogen absorption or decompression limits. Always prioritize safety and consult official decompression tables.

Highlights
  • Calculates SAC Rate
  • Estimates air requirements at depth
  • User input based calculations
  • Dive profile analysis
  • Focuses solely on air consumption
Features
Read full description

This software calculates Surface Air Consumption (SAC Rate) and air requirements at depth based on user input data ONLY. This software DOES NOT calculate nitrogen absorption and/or decompression limits. Please see US Navy decompression tables for that information. This software only calculates how much air is required based on user entered data and dive profile. Know your limits and dive within them. Always error on the side of safety. Leridian Dynamics, Inc. assumes no liability for the use and/or misuse of this software.

About

Dive Planner Calculator

This app simplifies recreational dive planning by calculating essential dive parameters for up to three consecutive dives. It provides automatic calculations for residual nitrogen, safe ascent times, and includes a visual dive graph for easy review. Designed for both new and experienced divers, it ensures adherence to safety standards for stress-free underwater exploration.

Highlights
  • Plan up to three consecutive dives
  • Automatic calculation of dive parameters
  • Surface interval tracking
  • Visual dive graph
  • Adherence to safety guidelines
  • On-the-go convenience
Features
Read full description

Dive deeper with confidence! Our all-in-one dive planner helps you schedule up to three consecutive recreational dives while adhering to internationally recognized safety standards—no extra gear or complicated tables needed. Quickly input depth, bottom time, and surface interval, and let the app do the rest. It calculates everything from your residual nitrogen levels to safe ascent times, so you can focus on the thrill of underwater exploration. But that’s not all: the built-in dive graph gives you a clear picture of each dive profile at a glance. Use it to review important parameters, ensure your safety stops are in check, and share your plan with buddies for added peace of mind. Whether you’re exploring colorful reefs or searching for hidden wrecks, our app streamlines your dive prep so you can spend less time planning and more time submerged in aquatic adventures. Key Features: - Three consecutive dives: Plan a single day of diving or multiple hops in a breeze. - Automatic calculations: Enter depth and time, and instantly get your essential numbers for each stage—no guesswork. - Surface interval tracking: Precisely manage how much downtime you need between dives to optimize your underwater exploration. - Clear visual graph: See your dive profiles laid out in an easy-to-read chart, simplifying complex depth/time data into an intuitive visual. - Safe & flexible: Follows widely acknowledged recreational diving guidelines to keep you within safe no-decompression limits. - On-the-go convenience: All your dive data in one place, on your device, ready whenever you need it—even on the boat. Our dive planner is designed for simplicity and accuracy, ensuring you stay within recommended limits for safe, stress-free diving. From new divers still mastering safety stops to seasoned pros mapping multiple drop points, it’s the perfect pocket companion. Download now, streamline your planning, and enjoy more bubbles, less hassle! Dive safe, dive smart, and make every underwater journey unforgettable.

Screenshots

Surface Air Consumption4 screens
Dive Planner Calculator3 screens

Verdict

The call

The clearest difference is price: Surface Air Consumption at Free against Dive Planner Calculator's $8.99. Surface Air Consumption also leads on rating (5.0 vs 3.3) and review sentiment (100% vs 67%). Dive Planner Calculator's advantage is iOS requirement (11.0 vs 13.6). On ratings volume, 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

Surface Air Consumption is free to download; Dive Planner Calculator costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Surface Air Consumption holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 100% of Surface Air Consumption's written reviews are positive against 67% of Dive Planner Calculator's.

UpkeepUpdate frequency

Surface Air Consumption ships an update weekly, Dive Planner Calculator every 7 months. The most recent releases landed on October 16, 2026 and October 23, 2026 respectively.

Scorecard6 real differences · 4 level
Surface Air Consumption versus Dive Planner Calculator: the parameters behind the verdict, then further details
ParameterSurface Air ConsumptionDive Planner Calculator
PriceFree — better$8.99
Rating5.0 (2 ratings) — better3.3 (3 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings23 — better
Update frequencyWeekly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.611.0 — better
Further details — not scored
Size1 MB10 MB
Age rating4+4+
DeveloperLeridian Dynamics, Inc.SAGA Virtual Tecnologia Ltda

Customer experience

Surface Air Consumption

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Dive Planner Calculator

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Surface Air Consumption

No in-app purchases

None

Dive Planner Calculator

No in-app purchases

Questions

Is Surface Air Consumption free?
Surface Air Consumption is free to download, with no in-app purchases.
Is Dive Planner Calculator free?
Dive Planner Calculator costs $8.99, with no in-app purchases.
Which has better reviews, Surface Air Consumption or Dive Planner Calculator?
Surface Air Consumption is rated higher. Surface Air Consumption averages 5.0 out of 5 from 2 ratings, while Dive Planner Calculator averages 3.3 from 3 ratings.
Do Surface Air Consumption or Dive Planner Calculator have ads?
Neither Surface Air Consumption nor Dive Planner Calculator shows ads.
Which is updated more often, Surface Air Consumption or Dive Planner Calculator?
Surface Air Consumption ships an update weekly, and Dive Planner Calculator every 7 months. Most recently, Surface Air Consumption was updated on October 16, 2026 and Dive Planner Calculator on October 23, 2026.

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