Keystone Inputs

07-Jan-2017 GroupCalc V2.0.14 for Android and iOS has been released.

26-Feb-2016  GroupCalc V1.5.18 for Android and V1.5.17 for iOS are now available on the Google Play store and Apple App Store.

17-Jan-2016  GroupCalc V1.4.18 (Pro and Free) are now available on the Google Play store.

17-Dec-2015 GroupCalc for iOS V1.4.13 (Pro and Free) are now available on the App Store. This version is functionally equivalent to GroupCalc for Android V1.4.6.

17-Nov-2015 GroupCalc V1.4.6 (Free and Pro) for Android has been released to the Google Play store.

24-Sep-2015 GroupCalc V1.3.48 (Free and Pro) for Android has been released to the Google Play store.

15-Sep-2015 GroupCalc Pro version is now available in the App Store.

29-Aug-2015 GroupCalc has passed the review by Apple. The free version is now available in the App Store.

21-Aug- 2015 The hopefully final release versions of GroupCalc Pro and GroupCalc Free were submitted to Apple for review today. Once they've passed the review (hopefully without to much drama) they'll be available in the App Store.

07-Aug-2015 The iOS version of GroupCalc has been submitted for review by Apple. Once it has passed the review process it will be available for external beta testing. If you would like to participate in the beta testing program please email This email address is being protected from spambots. You need JavaScript enabled to view it..

04-Aug-2015 V1.3.31 is now available in the Google Play Store.

29-Jun-2015 The iOS version of GroupCalc is now functionally complete and running on an iPhone 5. It is now being tested on a range of other device before being released to a wider audience for testing.

08-May-2015 Work on an iOS version of GroupCalc has commenced. It will require iOS 8 or higher and will be supported on all iOS devices that support that iOS version.