Apps Like Reef Book for iPhone and iPad
Ranked alternatives
Showing 281–300 of 1,000 ranked alternatives.
Guess the Tank
Alexandru Angelescu
Test tanks and track performance
Test your knowledge of armoured fighting vehicles from WWI to present. Identify tanks, destroyers, self-propelled artillery, and reconnaissance vehicles. Answer hundreds of questions with varying difficulty levels.
Dive Calculator
Zanthic Automation Inc.
Calculate stats and manage gas mixtures
Perform scuba-related calculations for divers of all experience levels. Calculate ATA, SAC/RMV rates, tank volume, and pressure ratings. Convert units as needed. Determine EANx mix, top-up, and bleed-down calculations.
Cheetah Note
Seokhyeon Nam
Edit notes, archive, sync, and search
Take notes with text, images, and attachments. Archive notes for organization. Edit notes with version history. Sync across devices using iCloud. Backup notes automatically. Add a widget for quick access. Use with Apple Watch and iMessage.
Aviation Fuel Converter
Jay Ferguson
Convert units and track amounts
Convert Jet A or 100LL between US gallons, pounds, liters, and kilograms. Enter type, units, remaining amount, and desired amount for accurate conversion. Adjust and save specific gravity and conversion factors.
PID Controller Simulation
立娜 王
Simulate, analyze, and control PID loops
Learn PID control theory with structured tutorials covering basics to advanced topics. Simulate control systems and adjust parameters in real-time. Explore scenario applications and analyze system responses through graphical outputs.
Enapter
HELIOCENTRIS ITALY SRL
Monitor and control energy devices remotely
Monitor and control energy devices like Electrolysers, Fuel Cells, and Solar Inverters. View real-time performance data and historical charts. Track energy consumption, receive alerts for issues, and access device-specific insights.
Aquaman App
Andrew Addis
Record water parameters and track test history
Record and track aquarium water parameters such as pH, temperature, and nitrate levels. View historical data and trends without an internet connection. Save test results locally and access them anytime. Add notes and set reminders for routine checks.
HooverCSApp
Hoover Materials Handling Group, Inc.
Access tank data, share inventory, update records
Access tank data and inventory information remotely. Share and update inventory details from a mobile device. Track GPS assets in hazardous zones. Scan barcodes for inventory management. Use FleetAI for fleet optimization and compliance updates.
Flight Logbook Army
Front Line Designs LLC
Track hours and entries
Track hours and data digitally. Import scans or photos of pages. Export records in various formats. Set reminders for entries. Sync data across devices. Share logs with pilots or stick buddies.
How we rank alternatives
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