Buoyancy Calc vs Dive Planner Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Buoyancy Calc
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.
- Calculate suggested diving weight
- Adjust for water type
- Adjust for tank type
- Adjust for exposure suit
- Supports pounds and kilograms
Read full descriptionHide full description
Quickly find out the suggested weight you should add when scuba diving in different environments. Based on PADI's Peak Performance Buoyancy basic weighting guideline*. Enter your weight in pounds or kilograms, and additionally set the type of water, tank, and exposure suit to dial in a suggested amount of weight to help keep you neutrally buoyant. *Note that this app and the developer are not officially a representative of PADI. This app will give the user a good estimate of the weight needed for the environment selected, but there are always adjustments needed to achieve peak performance, based on gender, physique, exposure suit age, accessories, etc.
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.
- 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
Read full descriptionHide 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
Verdict
The clearest difference is price: Buoyancy Calc at Free against Dive Planner Calculator's $8.99. Buoyancy Calc also leads on update cadence (every 3 months vs every 7 months) and ratings volume (25 vs 3). Dive Planner Calculator's advantage is review sentiment (67% vs 40%) and rating (3.3 vs 3.1). On 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
Buoyancy Calc 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.
Dive Planner Calculator holds the better App Store score, 3.3 against 3.1. That said, the two scores are not equally well evidenced: Buoyancy Calc has 25 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 40% of Buoyancy Calc's written reviews are positive against 67% of Dive Planner Calculator's.
Buoyancy Calc ships an update every 3 months, Dive Planner Calculator every 7 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Buoyancy Calc | Dive Planner Calculator |
|---|---|---|
| Price | Free — better | $8.99 |
| Rating | 3.1 (25 ratings) | 3.3 (3 ratings) — better |
| Positive reviews | 40.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 25 — better | 3 |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Eric Hamiter | SAGA Virtual Tecnologia Ltda |
Customer experience
Buoyancy Calc
Dive Planner Calculator
In-app purchases
Buoyancy Calc
No in-app purchases
Dive Planner Calculator
No in-app purchases
Questions
Is Buoyancy Calc free?
Is Dive Planner Calculator free?
Which has better reviews, Buoyancy Calc or Dive Planner Calculator?
Do Buoyancy Calc or Dive Planner Calculator have ads?
Which is updated more often, Buoyancy Calc or Dive Planner Calculator?
Other comparisons















