Looking for free ultimate slide rule apps and games? 18 of our 175+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
Compare top Ultimate Slide Rule Apps & Games (May 2026)
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.
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.
Create, edit, and collaborate on presentations from any device. Work offline, add rich media, and present directly from your phone or tablet. Seamlessly integrate with video calls and other productivity tools.
What are the best ultimate slide rule apps & games for iPhone?
Ultimate Slide Rule tops our ultimate slide rule apps & games ranking as of May 2026, with a 4.9-star average from 9 App Store ratings, and it's priced at $0.99.
Are there free ultimate slide rule apps & games for iPhone?
Yes — 18 of the top ultimate slide rule apps & games we rank are free to download, including Slide ► and Google Slides.
Does Ultimate Slide Rule have ads or in-app purchases?
Ultimate Slide Rule has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
How many ultimate slide rule apps & games are on the App Store?
We track 175+ ultimate slide rule apps & games on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
What is the Ultimate Slide Rule app?
The Ultimate Slide Rule app digitizes the classic analog slide rule, providing a convenient tool for performing calculations. It features multiple scales and interactive guides to teach users how to use it effectively.
What kind of calculations can I do with the Ultimate Slide Rule?
You can perform a wide range of calculations, including multiplication, division, trigonometry, exponents, and logarithms, using nearly two dozen unique measurement scales.