Comparison

Octavius vs ScubaBuddy

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

Head to head
About

Octavius

This app helps scuba divers calculate the optimal amount of weight needed for safe underwater dives. It provides essential calculations to ensure proper buoyancy and a comfortable diving experience.

Highlights
  • Weight calculation for scuba diving
  • Optimal buoyancy guidance
  • Underwater dive planning
  • User-friendly interface
Features
Read full description

Scuba dive calculator: calculate the proper amount of weight you should carry underwater

About

ScubaBuddy

This app helps recreational divers meticulously record their underwater adventures. It allows users to log dive details, store certifications, and track diving statistics in a simple, intuitive interface. Keep your entire diving journey organized and accessible.

Highlights
  • Complete dive logbook
  • Certification tracking
  • Diving statistics
  • Intuitive interface
  • Secure dive memory storage
Read full description

Meet ScubaBuddy, the essential dive logging app for recreational divers. Keep your entire diving journey organized in one beautiful, easy-to-use app. COMPLETE DIVE LOG BOOK Capture every detail of your underwater adventures. Log depth, bottom time, water temperature, visibility, and notes. Build a comprehensive record of every dive you've ever made. CERTIFICATION TRACKING Store all your scuba certifications in one place. Keep track of your Open Water, Advanced, Rescue Diver, and specialty certs. Your credentials, always accessible. GEAR LOCKER Catalog all your scuba gear in one place — track brand, model, serial number, and condition for everything from your regulator to your BCD. Set service intervals and get at-a-glance status alerts so you always know what's due for maintenance before your next dive. DIVING STATISTICS Watch your experience grow with insightful stats. Total dives, maximum depth, cumulative bottom time, and more. Celebrate milestones and track your progress as a diver. DIVE CONDTIONS Get real-time weather and marine conditions for any location around the world — plus a 7-day forecast and 7-day history — so you can plan ahead and review past conditions before your next dive. Search for a dive site to instantly see current conditions, upcoming forecasts, and archived data including wave height, wind speed, and dive ratings. WEIGHT CALCULATOR Helps you dial in your ballast before every dive, factoring in your body weight, wetsuit type, tank, water type, and any additional gear. Enter your details once and get a recommended starting weight in metric or imperial units, ready to fine-tune in the water. DESIGNED FOR SIMPLICITY Clean, intuitive interface that makes logging dives quick and painless. Spend less time on your phone and more time planning your next dive. Whether you're diving your local quarry or exploring tropical reefs, ScubaBuddy keeps your dive memories organized and secure. Download now and start building your digital dive log!

Screenshots

Octavius4 screens
ScubaBuddy4 screens

Verdict

The call

Octavius and ScubaBuddy are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Octavius ships an update monthly, ScubaBuddy every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
Octavius versus ScubaBuddy: the parameters behind the verdict, then further details
ParameterOctaviusScubaBuddy
PriceFreeFree
Rating—5.0 (12 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—12 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.6 — better17.0
Further details — not scored
Size21 MB3 MB
Age rating4+4+
DeveloperYoash OfferSuraj Pindoria

Customer experience

Octavius

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ScubaBuddy

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Octavius

No in-app purchases

None

ScubaBuddy

No in-app purchases

Questions

Is Octavius free?
Octavius is free to download, with no in-app purchases.
Is ScubaBuddy free?
ScubaBuddy is free to download, with no in-app purchases.
Do Octavius or ScubaBuddy have ads?
Neither Octavius nor ScubaBuddy shows ads.
Which is updated more often, Octavius or ScubaBuddy?
Octavius ships an update monthly, and ScubaBuddy every 2 weeks. Most recently, Octavius was updated on November 3, 2026 and ScubaBuddy on November 5, 2026.

Other comparisons