Essential calculators
Swipe-friendly inputs keep your go-to running math available even when you’re offline.
- Race pace & finish time tools
- VO2 max & heart-rate zones
- Recovery and BMI checks
iOS app
Your favorite running calculators, rebuilt for iPhone.
RunCalcs for iOS keeps pace targets, race predictions, and health tools one tap away—no browser tabs, no distractions, just focused guidance whenever you lace up.
Why runners like the app
Everything you rely on, tuned for iOS
Pin calculators to your Home Screen, check workouts on the train, and keep your plan handy without juggling browser tabs.
Built for focus
Stay locked on your run plan with a privacy-friendly design that never asks for a login.
- No hidden purchases or ads
- Works offline once installed
- Optimized for iOS 16 and later
See the app in action
The interface keeps calculators, planning, and quick health checks just a swipe apart. Explore a few of the core screens below.
Download RunCalcs for iOS
Install the full suite of pace calculators, planning views, and training insights directly on your phone so every run stays on target.
- Supports iOS 16, 17, and the latest iPhone hardware
- Offline-first so you can check paces without service
- No accounts, trackers, or upsells—just the tools you need
Frequently asked questions
Is the iOS app available now?
Yes! Download RunCalcs for iOS from the App Store and start planning your next block today.
Will there be an Android version?
We’re focused on refining the iOS experience first. Let us know you’re interested in Android via abstractcs65@gmail.com so we can prioritize the next platform.
How much does RunCalcs for iOS cost?
There’s a one-time purchase at the lowest price tier in each region to help cover development and ongoing maintenance.