Base PRO

Nic Kolbe Utilities iPhoneiPadiPod touchMac

Base PRO is a free Utilities app for iPhone and iPad by Nic Kolbe. Requires iOS 12. Updated November 3, 2025.

Price: Free; on the App Store
Size: 9 MB; Age 4+
Updated: Nov 3; 2025 · v3.0

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About Base PRO

Master base conversions effortlessly and deepen your understanding of computer science. Simplify complex calculations with this comprehensive base calculator — from Base 2 to Base 20 — designed for precision, clarity, and speed. Ideal for students, teachers, and anyone exploring the logic of number systems or digital computation. As an educator, I’ve used Base PRO on a large screen to demonstrate base concepts interactively. Students immediately grasped how each system connects, accelerating their comprehension of mathematical and computational relationships. Perfect for classrooms and study sessions alike, Base PRO supports full-screen mode and adjustable sizing in macOS , and a unique Flow Function that visually explains the logic behind base conversions — making learning both intuitive and engaging.

What’s new

Version 3.0 · Updated November 3, 2025

The all-new Base PRO v3 brings clarity, depth, and precision to every calculation. Updated unit information: now featuring the same advanced reference texts used in Converter, providing in-depth definitions, SI relations, and real-world context for every unit. Refined layout: modernized design for a smoother, more elegant experience across devices. Improved accuracy: verified constants and scientific precision throughout. Performance upgrades: faster loading, optimized interface, and improved memory handling.

App privacy

The developer, Nic Kolbe, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Base PRO is a free Utilities app for iPhone, iPad, iPod touch and Mac, developed by Nic Kolbe. It requires iOS 12 or later and is 9 MB to download. It was first released on October 15, 2019 and last updated on November 3, 2025.

Category: Utilities
Price: Free
Version: 3.0
Size: 9 MB
Requires: iOS 12 or later
Compatibility: iPhone, iPad, iPod touch, Mac
Languages: English
Age rating: 4+
Released: October 15, 2019
Last updated: November 3, 2025
Developer: Nic Kolbe

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