| Price from | — | $250/mo |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Plans published | 1 | 4 |
| Spec score · Internal Newsletter Software | 7.0 (#9) | 7.5 (#5) |
| Spec score · Employee Communication Software | 7.2 (#24) | 7.6 (#17) |
| AI | Oak's Aria assistant supports AI search, content generation, and translation, while analytics report on engagement and content impact. | Its AI assistant Cici can help create, send, manage, and measure internal communications. |
| Headquarters | Newcastle upon Tyne, UK | Omaha, Nebraska, United States, with a satellite office in Dublin, Ireland |
| Integrations | Oak describes integrations with Google Workspace, Microsoft 365, Salesforce, and SAP, and supports single sign-on. | The product site lists Outlook, Gmail, Workday, ADP, Active Directory, Teams, Slack, SharePoint, Okta, and Canva among its integrations. |
| Product | Oak describes itself as an all-in-one intranet and employee app for connecting employees from headquarters to frontline teams. | Workshop lets organizations create, send, manage, and measure employee communications, starting with email and extending to other channels. |
| Security | Oak describes granular permissions, audience targeting, approvals, audit trails, version control, and single sign-on support. | Workshop says it has a SOC 2 Type 2 report and ISO/IEC 27001 and ISO/IEC 42001 certifications, and is GDPR compliant. |
| Support | Oak lists customer support hours as Monday to Friday, 9am to 5pm BST. | The pricing page lists business-hours support and onboarding management across plans, and says Enterprise includes a support response SLA and enterprise onboarding and training. |
