248+ iOS apps & games curated and reviewed
The best smart slide rule apps and games on iPhone average 4.3★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 5.0★ (1) | No | No | Aug 2026 |
| 2 |  | $0.99 | 4.8★ (4) | No | No | Aug 2026 |
| 3 |  | Free | 5.0★ (14) | No | No | May 2026 |
| 4 |  | Free | 4.6★ (4.3K) | No | Yes | Aug 2026 |
| 5 |  | $0.99 | 4.9★ (9) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (6.6K) | Yes | Yes | Aug 2026 |
| 7 |  | $0.99 | 1.0★ (1) | No | No | Aug 2026 |
| 8 |  | Free | 4.7★ (95K) | No | No | Aug 2026 |
This app simulates a mechanical analog calculating tool, offering various logarithmic scales for multiplication, division, and trigonometric functions. It includes instructions on how to use the slide rule, making it a learning tool for this historical device.
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 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.
This award-winning math game introduces children aged 4-8 to fundamental number concepts and operations. It uses colorful characters and engaging activities to build number sense and a love for math, laying a strong foundation for future learning.
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.
Engage your brain with a fun trivia crossword puzzle game. Explore different countries, learn new facts, and solve riddles. Collect book buddies and enjoy classic art and music for a relaxing, enriching experience.
Simulates a mechanical analog computer for scientific and engineering calculations. Perform multiplication, division, roots, and trigonometric functions with a digital slide rule.
Access and analyze your business data from anywhere with powerful mobile tools. Visualize key metrics, filter information, and share insights on the go. Get real-time notifications and ask questions of your data with a virtual analyst.
Secure your personal data with a private photo vault and password manager. Customize the app's icon for added discretion and protect your sensitive information.
Access the latest tech news, in-depth app reviews, and practical mobile tips. This digital guide breaks down complex tech concepts into actionable advice for users of all levels.
A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.
This app allows users to collect, categorize, and visualize everyday data. Create custom charts and graphs to gain insights from your tracked information. Organize data into detailed records with flexible entry formats and attributes.
This app reveals the device details advertisers use for fingerprinting, showing you what information your iPhone shares. Explore passive, permission-based, and advanced data points to understand your digital footprint. All data stays on your device, with no uploads or analytics.
This app serves as a comprehensive statistics calculator and learning tool for introductory statistics courses. It offers a wide range of calculation features, data visualization, and an integrated textbook with formulas and examples.
This app empowers users to regain control of their personal data. It allows you to connect your apps, see what data is collected, and earn rewards for securely sharing it. Redeem points for gift cards, discounts, prize draws, or donations.
Transform your phone into a precise measuring tool using augmented reality. Measure lengths, heights, and room dimensions instantly through your camera, eliminating the need for a physical tape measure. Capture and save your measurements with ease.