Apps Like DrillOut Calcs for iPhone and iPad
Ranked alternatives
Showing 141–160 of 1,000 ranked alternatives.


Drill Calc
Black Cat Systems
Calculate bit size for threaded holes
Calculate bit size for threaded holes using bolt diameter, thread pitch, and percentage for inch and metric threads. Display close fit hole sizes for common sizes. Provide tables for standard inch fractional and numeric bit sizes.



Hydraulic-Calculator
Zanthic Automation Inc.
Calculate forces and speeds
Calculate cylinder forces and speeds. Determine pump speed, torque, and power using displacement, flow, and pressure. Compute fluid velocity, cross-sectional area, and Reynolds number for lines.


CNC Milling Speeds & Feeds Pro
Verosocial Studio
Calculate, reference, and save shop data.
The app provides machinists with a collection of calculators, shop references, and setup tools. It helps users calculate spindle RPM, estimate feed rate, and plan milling or drilling jobs.



Scientific Calculator Elite
Cyberprodigy LLC
Calculate with fractions and units
™ allows users to perform fraction calculations and convert between decimals and fractions. It supports degree, minute, and second conversions. Users can handle unit conversions and calculations with dimensional units.

iUnit Measurement Conversion
Black Cat Systems
Convert between 1650 units easily.
The app converts between 1650 different units in 57 categories. Users can convert units for acceleration, area, energy, mass, temperature, time, and volume.


Programming Calculator
Mikhail Razin
Convert numbers between bases, calculate, and get
Convert numbers between bases 2 to 30 with real-time updates. Perform calculations in multiple number systems. Display results accurately with a clean, intuitive interface. Switch between bases instantly for precise outputs.

RangeDay - Ballistic x SubMOA
Sicong Liu
Measure group size and track progress
Calculate group size in MOA or inches/cm for paper, steel, or custom targets. Measure precision with a digital ruler. Analyze shot groups to improve accuracy. Track performance with RangeIQ. Share results and compare improvements over time.




Flow Rate Help
Armchair Engineering
Calculate , diameter, or velocity
Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.

Sweep & Zone
Utility Forces LLC
Calculate deflections and quadrants
Calculate shooting data by inputting changes in mils, number of deflections, and base deflection. Compute accurate results quickly. Track usage with a subscription model after five free uses. Include quizzes for practice.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.