gpg4o Pricing in 2026
Every plan gpg4o publishes, with the page and date we read it from. Prices we could not find on gpg4o's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| gpg4o | €99.95 per month | All functions of the OpenPGP encryption system · Microsoft Outlook 2016/2019/2021/365 Classic | bayoosoft.com | |
| gpg4o Free | Free | Free version without a time limit · Functionality is limited | download.giepa.de | |
| gpg4o – Extension product maintenance 1 year | €5,195 per year | one year | Updates and support for gpg4o | bayoosoft.com |
| gpg4o – Extension product maintenance 3 years | €13,995 per year | three years | Updates and support for gpg4o | bayoosoft.com |
| gpg4o | €9,995 one-off | one-time license | Microsoft Outlook 2016/2019/2021/365 Classic · OpenPGP functions | bayoosoft.com |