Best Buoyancy Calc Apps

186+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated May 2026

Every iPhone needs a few good buoyancy calc apps. We benchmark 186+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Buoyancy Calc Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Buoyancy CalcBuoyancy CalcFree3.1★ (25)NoNoMay 2026
2Scuba Diving Computer Oceanic+Scuba Diving Computer Oceanic+Free4.4★ (4.6K)NoYesSep 2026
3Pool Math by TroubleFreePoolPool Math by TroubleFreePoolFree3.7★ (272)NoYesAug 2026
4OrendaOrendaFree4.7★ (473)NoNoSep 2026
5SCUBA Weight EstimatorSCUBA Weight EstimatorFree4.1★ (15)NoAug 2026
6Sporty's E6B Flight ComputerSporty's E6B Flight Computer$9.994.9★ (5.3K)NoNoSep 2026
7Physics ToolkitPhysics ToolkitFree4.6★ (51)NoNoAug 2026
8Tank Measure: Volume CalcTank Measure: Volume CalcFree4.1★ (51)NoYesSep 2026

Top Picks for Buoyancy Calc

Buoyancy Calc#1

Buoyancy Calc by Eric Hamiter

Determine your required weight
Editor's Choice
🔧 Utilities
3.1(25 ratings)
Free
Buoyancy Calc screenshot 1

Calculate the optimal weight for scuba diving based on environmental factors. Input your weight, water type, tank, and exposure suit to get a suggested weight for neutral buoyancy.

Scuba Diving Computer Oceanic+#2

Scuba Diving Computer Oceanic+ by Huish Outdoors, LLC

Freedive, Snorkel & Dive Log
Strong Contender
⚽ Sports
4.4😐(4.6K ratings)
FreeIn-App Purchases
#87in Sports
Scuba Diving Computer Oceanic+ screenshot 1
Scuba Diving Computer Oceanic+ screenshot 2
Scuba Diving Computer Oceanic+ screenshot 3
Scuba Diving Computer Oceanic+ screenshot 4
Scuba Diving Computer Oceanic+ screenshot 5
Scuba Diving Computer Oceanic+ screenshot 6

Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.

What We Love

  • 🚀 Bright, clear display
  • 👍 Intuitive and easy to use
  • 🚀 Detailed dive logs and analytics
  • 👍 Helpful safety alerts and vibration feedback
  • 🚀 Seamless integration with Apple Watch

Room to Improve

  • 🔒 Subscription-based model
  • 🐛 Syncing issues between watch and phone
  • 🐛 Unreliable dive mode activation
  • 🐛 Premature dive end when surfacing briefly
  • 🔒 Lack of air integration
Pool Math by TroubleFreePool#3

Pool Math by TroubleFreePool by TroubleFreePool

Easy pool care and maintenance
Worth Considering
🔧 Utilities
3.7😊(272 ratings)
FreeIn-App Purchases
Pool Math by TroubleFreePool screenshot 1
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Pool Math by TroubleFreePool screenshot 6

Easily manage your swimming pool's water chemistry by tracking key levels like chlorine and pH. This app calculates the precise amounts of chemicals needed to maintain clear, algae-free water, offering a cost-effective alternative to pool store advice.

What We Love

  • 💎 Excellent for maintaining a clean, balanced pool
  • 🔍 Comprehensive tracking of test results and chemical additions
  • 🧠 Helpful recommendations for chemical adjustments
  • ⚙️ Useful features like SLAM mode and timeline
  • 🤖 Automatic weather data logging

Room to Improve

  • 🐛 Issues with data syncing and backup
  • 🤔 Unintuitive interface and navigation
  • 💰 Subscription model and lack of one-time purchase
  • 🚫 Limited support for non-chlorine sanitizers and spa-specific options
  • 🔄 Bugs with chemical addition logging and target value retention

More Buoyancy Calc apps to explore

FAQ about Buoyancy Calc

What are the best buoyancy calc apps for iPhone?
Buoyancy Calc tops our buoyancy calc apps ranking as of May 2026, with a 3.1-star average from 25 App Store ratings, and it's free to download.
Yes — 18 of the top buoyancy calc apps we rank are free to download, including Buoyancy Calc and Scuba Diving Computer Oceanic+.
Buoyancy Calc has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 186+ buoyancy calc apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Buoyancy Calc helps scuba divers determine the suggested amount of weight needed to achieve neutral buoyancy. It takes into account factors like your body weight, the type of water you're diving in, your tank, and your exposure suit.
You enter your weight in either pounds or kilograms. Then, you select the type of water (e.g., freshwater, saltwater), the type of tank you are using, and the type of exposure suit you have on. The app will then provide a suggested weight.

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