92+ iOS apps & games curated and reviewed
Digital Slide Rule is the household name in slide rule, but it's far from the only option. We track 92+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
This app digitally recreates various types of slide rules, offering features not possible on physical models like color options and numeric displays. It includes a slideshow of famous slide rules and is best experienced on larger devices.
Master slide rule calculations with this educational app. It offers practice exams covering various scales and provides helpful instructions for solving problems. Track your progress with a unique error metric and traditional percentages.
This app digitizes the classic analog calculator, offering a convenient way to perform complex calculations. It includes interactive guides to teach users how to master slide rule techniques, making it ideal for students and professionals alike.
This app is a fully functional digital reproduction of a classic engineering slide rule. It allows users to perform complex calculations like multiplication, division, logarithms, and trigonometry, just like the original manual tool.
Learn to use a classic slide rule with this app. It offers precise calculations and an "auto-slide-rule" mode to demonstrate operations. Save and reuse slider positions for frequent calculations.
This app simulates the E6B slide ruler, a crucial tool for aircraft pilots. It offers high-resolution visuals and smooth controls for precise calculations in conversion and wind correction modes. Experience a realistic feel for essential aviation computations.
This app provides advanced logarithmic calculations and explanations, covering equation solving, Taylor series, digit-by-digit computation, and integral definitions. It also simplifies expressions, solves complex logarithmic equations, and includes a virtual slide rule.
Simulates a mechanical analog computer for scientific and engineering calculations. Perform multiplication, division, roots, and trigonometric functions with a digital slide rule.
This application provides a digital slide rule for finding critical dimensions of high-pressure wellhead equipment, including integral flange and ring groove measurements. It functions like a traditional paper slide rule, offering convenience and accessibility for users needing these specific engineering calculations.
Experience a simple yet addictive game that challenges your speed and unlocking skills. Master the art of unlocking with four distinct game modes and earn in-game currency to unlock upgrades and new levels. Enjoy slick graphics and an original soundtrack.
Access current and precise weather conditions (METAR) and forecasts (TAF) for airports worldwide. View data in raw or decoded formats, with offline access and customizable alerts. Ideal for aviation professionals and weather enthusiasts.
Transform your old slides into digital photos quickly and easily using AI. Simply hold your slides up to a light source and let the app automatically crop, enhance, and save them as digital images. Enjoy unlimited scanning and sharing with an optional upgrade.
This utility app simplifies balancing hydronic heating and cooling systems. It helps determine correct valve settings to achieve target flow rates quickly and accurately, making system balancing effortless.
This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.
Compete in a slippery race where you start last and must finish first. Block opponents, use boosters, and master ramps to gain speed and make jumps. Outmaneuver everyone to claim victory.
This tool offers a digital circular slide rule for pilots to perform real-time descent planning. It calculates crucial metrics like top of descent distance, descent angle, and glide ratio with simple one-finger operation.
Connect equal numbers in the longest possible chain to achieve higher scores and increase piece values. Strategize your moves carefully to avoid running out of options and aim for increasingly higher number targets.
Guide your character through challenging obstacle courses by sliding your finger to change their pose. Test your reflexes and spatial awareness to fit through narrow gaps and avoid collisions. Enjoy a fun and engaging experience with increasingly difficult levels.
Manage flight schedules, book new flights, and view aircraft availability. This app is designed for pilots who fly with organizations using the platform and requires an existing user account. Future versions will include administrative capabilities.