Pricing

Life-time licenses, no subscriptions, no online activation, can be installed on a pendrive.

GS-Calc 24

$39

  • 30-day Money Back Guarantee
  • Email support and forum access
  • Promo code

GS-Base 22.4

$39

  • 30-day Money Back Guarantee
  • Email support and forum access
  • Promo code

GS-Calc+GS-Base

$110

  • 30-day Money Back Guarantee
  • Email support and forum access
  • Promo code

Accepted payment methods: cards, Paypal, Pay Later, Venmo, Apple Pay, Bancontact, BLIK, eps, giropay, Google Pay, iDEAL, MyBank, Przelewy24, Sofort, Trustly, wallets, FPX, Buy now - pay later, Cash-based vouchers, PromptPay, PayNow, Swish, Alipay, Unionpay. Payment method availability depends on your location and the selected currency.

Free new versions

Free new versions / upgrades for 12 months or forever.

Upgrading

50% off when upgrading. Same as for new purchases you can download all new versions for 12 months or forever for free.

Volume licensing (6+ licenses)

Please contact Citadel5.

Discounts (50%) for students, teachers and schools

Please contact Citadel5.