Apps Like Octavius for iPhone and iPad
Octavius screenshots
Ranked alternatives
Showing 41–60 of 1,000 ranked alternatives.


Oceans – the scuba logbook.
Oceansio AB
Log dives, share sites, track locations
Store and access dive logs in the cloud. Share dive sites and observations with other divers. Automatically correct underwater photo colors. Log dives with smart check-in features. Safely save diving history and track progress.



Breathe - Smart Scuba Dive Log
EPIC APPS UK
Log dives, track depth, and save details
Log details including location, depth, and time. Create multi-depth profiles for each . Track personal progress and export data. Share logs with other divers. Sync across devices for continuous access.

OneCalc: All-in-one Calculator
tasser gyati
Calculate, convert, and solve equations
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.

MultiDeco
HHS Software Corp.
Plan dives with decompression models
Calculate decompression stops using VPM-B, VPM-B/E, ZHL-16, and ZHL-16 + GF models. Input gas mixtures including nitrox and trimix. Plan decompression for open circuit and closed circuit rebreathers. Include bailout options with SCR and OC legs.

V-Planner
HHS Software Corp.
Plan dives with VPM decompression models
Calculate decompression stops using VPM-B and VPM-B/E models. Input gas mixtures including nitrox and trimix. Plan dives with OC or CCR configurations. Specify bailout scenarios with SCR and OC legs.

Mares App
Head Watersports S.p.A.
Record dives and sync
Record dives using Bluetooth and GPS, sync data to the . Log Scuba, Freediving, SCR, and CCR dives with a digital logbook. Share dives via QR code. Download dive data from compatible devices.

CD Calculator Pro
RedTracker LLC
Calculate CD returns and compare options
Calculate future CD value by inputting deposit amount, interest rate, and term. Compare growth scenarios and adjust rates to see impact. View results instantly with a simple interface.




Frame Grabber
Appcano LLC
Capture HD frames from videos
Capture high-quality video frames as images from any video. Save favorite moments by selecting specific scenes. Export frames in original resolution. Create thumbnails for social media. Print photo albums from 4K videos.

Nitrox Buddy
Gereon Steffens
Calculate essential nitrox dive data.
The app calculates nitrox/enriched air dive data including MOD, EAD, selected mix, and PPO2. It supports imperial or metric measurements, sea or fresh water, and adjustable oxygen content and partial pressure.

EZ Calculator 2021
Corntree tech Co.Ltd
Calculate, edit, and track numbers
Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.


Southwire® Voltage Drop Calc
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.

Soil Calculator Plus
Calc Hub, LLC
Calculate volume for any shape
Calculate , topsoil, dirt, or landscaping material needed for projects. Input dimensions for rectangular, circular, or custom areas. Enter measurements in inches, feet, yards, centimeters, or meters.

SquareRootCalculator
Jirou Fukuda
Calculate square roots and fractions
Calculate square roots and perform fraction operations. Execute basic arithmetic with unlimited precision. Simplify rational expressions easily. Input and compute complex equations without digit overflow.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.