Apps Like DTA Calculator for iPhone and iPad
Ranked alternatives
Showing 81–100 of 1,000 ranked alternatives.


YachtWave - Maintenance App
Durban Equity Holdings II, LLC
Store, view, and share boat data
Manage boat data with AI-powered tools. Store and access vessel information, view logs, and track fuel and supply usage. Share details with crew or managers. Set reminders for inspections and . Sync data across devices.

Tide Graph Pro
Brainware LLC
Track tides and currents offline
View and current predictions without an internet connection. Access daily, weekly, monthly, and yearly graphs. Monitor multiple stations. Receive high and low alerts. Sync with Apple Watch for notifications.

Aqua Map Boating
GEC s.r.l.
Download charts, navigate offline, connect instruments
Navigate using weekly updated nautical charts from NOAA. Plan routes manually or automatically. Record GPS tracks and store navigation data including markers and routes. Share data with others. Display tides and currents.

NW Ferry
Durbinware
Track schedules and view vessel locations
Access real-time schedules and fares. View terminal cameras and vessel locations. Receive alerts for delays or changes. Check departure and arrival times. Navigate the Puget Sound with up-to-date information.

Nautical Calculator Pro
Giacomo Gabriele
Calculate routes and track positions
Calculate routes and determine points on Rhumb Line, Great Circle, and WGS84. Compute average speed and estimated time of arrival. Plan routes with manual waypoints and create waypoint routes. Support composite sailing calculations.

Strive Hybrid Workout Planner
KRISTIAN BEHULIAK
Track workouts, log meals, and monitor progress
Track workouts with strength, cardio, Pilates, HIIT, and mobility exercises. Log meals and monitor calorie intake. Sync with Apple Health and Apple Watch for activity, heart rate, and sleep data.

Anchor Club
SAILSECRETS LIMITED
Track position and alert status
Set position using Smart Drop or map selection. Monitor status and receive alerts. Access community data for sailing conditions. Track boat location and receive notifications if movement is detected. Share location with trusted contacts.


SeaNav UK & Ireland
Pocket Mariner Ltd.
Explore, plan, and navigate boating trips.
The app provides marine charts for the UK and Ireland, featuring live AIS ship positions, augmented reality views, and route planning. It offers offline charts, autopilot support, and detailed navigation information for boating trips.


Ultimate Pro Football GM
Games 2rk LTD
Draft players, trade assets, manage teams
Manage a team by signing and trading players, drafting rookies, and hiring coaches. Control finances and upgrade facilities. Track team performance and make strategic decisions for club operations.


Deep Dive - Bass Fishing App
Deep Dive Technologies, LLC
Find spots and track fish activity
Access pro tournament strategies and leverage an intelligence engine that processes input combinations to identify optimal spots. Track fish behavior, analyze conditions, and receive real-time updates to improve catching efficiency.


RYA Books
Royal Yachting Association
Enhanced digital books for sailing training.
The app offers enhanced digital editions of books with interactive tools, animations, and videos. It supports RYA training courses and provides taster versions for users to try before purchasing.

Doral Trolley Tracker
One Bite Apps Inc.
Track trolleys and view routes
Track real-time routes, stops, and arrival times. View live schedules for FIU Connector. Receive alerts for arrivals. Navigate using maps and directions. Share locations with others. Set custom stop reminders.



onWater: Fishing Spots Map
onwater llc
Track fishing spots and conditions
Find fishing spots with of rivers, lakes, and streams. View property boundaries to stay legal. Locate access points, boat ramps, and local shops. Use the River Measuring Tool to track conditions and log fishing success.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.