Apps Like Dr. DE for iPhone and iPad
Solve drilling problems instantly
Access drilling engineering data instantly with a comprehensive toolbox. Calculate well parameters, check standards, and solve common problems. Retrieve formulas, charts, and reference materials. Share results and export data for reports.
Dr. DE screenshots
Ranked alternatives
Showing 201–220 of 1,000 ranked alternatives.


Weldbend Field Reference App
Weldbend Corporation
Access and view carbon steel fitting data
Access dimensional data for carbon steel butt-weld fittings and flanges. Retrieve technical and general information about carbon steel pipe systems. Search for specifications and view detailed measurements. Save and share relevant data for .

Score Pickleball
SCORE PICKLEBALL LLC
Host leagues, schedule matches, record scores, track
Host and manage leagues by scheduling matches and tracking scores. Earn trophies and badges for achievements. Record game results and monitor progress. Use a round robin system for fair competition. Manage team rotations and track player performance.

Metal Weight Calculator Pro
Vaghani Keyur
Calculate instantly
Calculate for steel, aluminum, copper, brass, stainless steel, and more. Input dimensions and material type to estimate . Supports multiple shapes including sheets, bars, and pipes. Save and export calculation results.


AireXpert Tech Ops Crew
Engio LLC
Assess, diagnose, and fix aircraft issues
Manage aircraft maintenance tasks with real-time communication tools. Track technical issues, diagnose problems, and coordinate repairs. Access maintenance logs, send alerts, and collaborate with engineering teams.

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.

CNC Machinist Calculator Ultra
Shane Anderson
Calculate, plan, and optimize machining operations
Calculate machining parameters for turning and milling operations. Input dimensions and material properties to determine tool paths and speeds. Generate G-code for CNC machines. Convert units and estimate machining time.





AC Calculator - HVAC Sizing
Melchisedec Martinez Rodriguez
Calculate BTU, convert units, compare systems, estimate
Calculate BTU/h capacity and determine recommended equipment types. Convert between BTU, kW, Kcal, and Tons. Check current price estimates and compare inverter versus conventional energy consumption. Unlock advanced features through in- purchases.

RAEL
Gotti LLC
Manage fire protection systems and inspections
Manage fire protection systems with real-time monitoring and maintenance tracking. Schedule inspections, generate reports, and access detailed system information.



meter.me
Lamarr, Inc.
Monitor water levels and usage remotely
Monitor water usage, tank, well, and pond levels remotely. Receive alerts about usage, pump, and valve status. View the water system on a map. Control pumps and valves remotely for beta users.

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.


Halcyon Calc
Halcyon Touch Software
Calculate and solve equations
Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.