Easy inputs, faster calculations!
Enhance your workflow with cleaner computations
Customized for Your WorkflowStop searching for functions. Organize specialized calculators together to keep your most-used tools pinned to your dashboard. Access the exact math you need for your specific job in a single tap.
Zero-Latency ResultsExperience the speed of real-time calculation. Results update instantly as you type, without having you press "on equals". Designed for high-pressure, on-the-go environments where every second counts and accuracy is non-negotiable.
True One-Handed OperationBuilt for handheld efficiency. Every button, slider, and input is strategically placed within the natural reach of your thumb. Whether you’re on a job site or transit, navigate complex calculations comfortably without needing both hands.
Smart Unit ConversionInput in inches and see the result in centimeters simultaneously. Our intelligent engine detects your input type and provides relevant cross-unit conversions automatically, removing the friction of manual toggles and mental math errors.
Haptic Precision EngineBring the tactile satisfaction of physical hardware to your screen. Custom-tuned haptic feedback provides subtle "clicks" for every interaction, confirming inputs and results through touch so you can calculate confidently without constantly double-checking the display.
Labeled Values That LastStop forgetting what "$145.50" meant. Assign labels like "Tax" or "Material Cost" to your results. These variables stay saved in your sidebar, allowing you to drag and drop them into future calculations for consistent, error-free planning.
Learn more from your peers
Ricky A. ★★★★★"One-handed calculations on a job site are finally easy"
Sally T. ★★★★★"Real-time updates without an equals button save so much time"
Hadeen O. ★★★★★"on.equals finally understands my specific business workflow"
Jack N. ★★★★★"Labeling my numbers removes all the guesswork from math"
Brandon K. ★★★★★"Currency and tip calculations are now a two-second task"
Max Z. ★★★★★"Replaced my clunky spreadsheets with this streamlined app"
Henny L. ★★★★★"The haptic feedback makes this feel like professional hardware"
Amy W. ★★★★★"Instant social media metrics have completely transformed my reporting"
Want to make your calculations more lightweight?Experience the precision of a calculator built for your workflow.Get Started
FAQs
Is on.equals truly free?➜The core suite of calculators and available resources are free. Down the road, we may add more features for heavy-power users, which could require a one-time professional upgrade at a minimal cost.
What makes this better than the default calculator?➜Speed, context, and ergonomics. We offer real-time results, labeled variables, and a UI optimized for one-handed mobile use that the default app lacks.
Are my inputs and calculations private?➜Your data stays on your device. The only time we request to store your calculation data is if you decide to backup to our system.
How do I save my calculation history?➜In order to save calculation history, you will need to create an account that will store all your current/past calculations and results. You will also be able to export your numbers in various file formats for your records.
Why should I sign up?➜Great question! We know that signing up means taking on a relationship with a new partner. That's why we want to be transparent as much as we can when it comes to what we offer. As of right now, our calculators are free to use with or without an account. Because we are in early stages of development, if you want to stay up to date with changes and have early access to new features, be sure to sign up ASAP!
Is there a paid version of on.equals?➜Yes! We do offer a paid version with additional features such as professional exports, cloud backups, and priority support. There are many perks that come with being a paid member, and it helps us tremdnously with building this app for the long term. To become a paid member, simply create an account and upgrade your plan at any time.
Does the app work offline?➜Absolutely. All calculation logic is processed locally on your device, ensuring instant results even without an internet connection or cellular service.
How do I contact support?➜Please send us an email to support@onequals.com