Apps Like FTC Referee for iPhone and iPad
Ranked alternatives
Showing 161–180 of 1,000 ranked alternatives.


Resistor-Converter
Gerhard Lentschik
Calculate resistance from color codes
Calculate resistance values for 4, 5, or 6 ring resistors by selecting color codes or entering resistance values. Determine colored rings based on resistance input. Support for SMD resistors and EIA value calculations.

Spool Ethanol Analyzer
Ajay Rajeev
Connect to sensor, analyze content and temperature
Connects to Wireless Sensor Kit or Handheld to measure content and fuel temperature. Displays real-time data via Bluetooth. Includes mixing ratio calculator for fuel blends. Functions without the sensor kit.

PTCB - Pharmacy Tech Exam Preparation
1X1 Apps Limited
Practice PTCE questions and track progress
Prepare for the Technician Certification with over 1000 practice questions. Take mock exams to test knowledge. Topics include pharmacology, law and regulations, compounding, medication safety, and more.


PCGS Coinflation
Professional Coin Grading Service
Coinflation precious metals value calculator.
The app provides four calculators for determining melt value, including U.S. silver coins, base metal coins, gold scrap, and silver scrap.


Sun Moon - Lunar Calendar
Ramesh Kataria
Track sun and positions globally
Track sunrise and sunset times globally. Determine civil, nautical, and astronomical twilight periods. Calculate day length and solar transit. Monitor moonrise and moonset times. View phase and illumination levels.


Sky Time
John Kennedy
Set up telescope with Sidereal
Displays local, Julian, and Universal alongside Sidereal based on device location. Features a night-vision friendly red display and pop-up descriptions for explanations.

Primality
Bruce Schechter
Check if a number is prime
Determine if a number is prime or list its prime factors. Input any integer between 0 and 999,999,999,999. Identify the prime ordinality of a prime number, showing its position in the sequence of primes.

Cross Stitch Calculator
Goatella
Determine fabric size for cross stitch.
The app calculates fabric size for cross stitch projects. Users input stitch count, fabric thread count, and an optional border to determine the required fabric size.

Coast Guard Fitness Calculator
Crash Test Dummy Limited LLC
Check U.S. Coast Guard Fitness Standards
The app calculates compliance with U.S. Coast Guard physical fitness and body composition standards.

Word Checker
A Reed
Check validity for Scrabble gameplay
Check if a is valid for Scrabble® gameplay. Enter any to verify its eligibility. Access a dictionary with over 100,000 entries. View details including points and letter composition.

E6B Descent Planner
Arthur Varrassi
Circular slide rule for descent planning.
The app offers a functional circular slide rule for descent planning. It calculates top of descent distance, angle, rate, glide ratio, and maximum glide distance.

Birds of Europe - Field Guide
Aleksandr Bogolyubov
Identify by sound and sight
Identify using 24 features including size, plumage, beak shape, and color. Filter by region in . View detailed descriptions and distribution maps for 515 species. Compare side by side for accurate identification.

Military Pay Calc
Crash Test Dummy Limited LLC
Calculate base pay and promotions
Calculate base pay using years in service and pay grade. Estimate yearly pay for reservists based on drills and active duty days. Track incentive and special pays. Monitor promotion impact on pay. Provide location-based pay adjustments.


Time.is
Even Scharning
Check time, convert time, track time zones
Display current time with ±5 millisecond accuracy for any time zone. Convert time instantly between 7 million locations. Automatically update time zones and rules. Show sunrise, sunset, and day length. View calendar with interval calculations.

CoinSpot - Coin Value Scanner
Stephen Burgess
Identify, grade, and catalog coins
Identify coins by snapping photos. Access detailed information about mints, years, and denominations. View grading details and estimated values. Compare coins and save collections for future reference.
How we rank alternatives
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