Which versions of iOS are supported?
Force Calculator supports iOS 18 and later. For the best experience, keep iOS up to date whenever possible.
FORCE CALCULATOR
Support
Find answers about system requirements, standard features, and restoring a purchase. If you run into a problem, please review the information below first.
CONTACT
If the issue continues, please contact us.
To help us investigate, include your iPhone model, iOS version, and the steps that lead to the issue. If an error message appears, please include its exact wording.
support@k-trick.com →Frequently asked questions
Can I use the standard calculator for free?
Yes. Standard features including arithmetic, percentages, and calculation history are free. Pro is required for the magic features.
Is Pro a subscription?
No. Pro is planned as a one-time purchase with no recurring monthly fee.
How do I restore my purchase?
Press and hold the history button in the upper-left corner, open License Management, and select Restore Purchases. Make sure the iPhone is signed in to the same Apple Account used for the original purchase.
Can I delete calculation history?
Yes. You can delete individual entries or clear all history from the history screen. History is stored only on your device.
What should I do if purchase information does not load?
Check your internet connection and Apple Account sign-in. If the issue continues, restart the iPhone and try restoring the purchase again.
How can I watch a tutorial again?
Press and hold the history button in the upper-left corner of the calculator to open Settings, then select Tutorials. Choose Target Mode, Time Mode, or Automatic Adjustment to replay the tutorial you need.
APP INFORMATION
- App
- Force Calculator
- Requirements
- iOS 18 or later
- Pricing
- Standard features free; Pro is a one-time purchase
- Availability
