ContactOffice vs Lark
ContactOffice
contactoffice.com
Lark
larksuite.comSide by side
| Figure | ContactOffice | Lark |
|---|---|---|
| Price from | €5/mo | $6/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Plans published | 4 | 8 |
| Spec score · Collaborative Document Software | 8.6 (#6) | 9.0 (#1) |
| Headquarters | Brussels, Belgium | Singapore |
| Integrations | The maker lists Outlook, Apple Mail, Thunderbird, Gmail, Yahoo, Dropbox, Google Drive, WebDAV, SMB/CIFS, CalDAV, and CardDAV compatibility or access. | TrustRadius lists integrations including Salesforce Agentforce Sales, Jira, Zoom Workplace, Asana, Trello, Jenkins, GitHub, GitLab, Zapier, Sentry, Grafana Cloud and Giphy. |
| Product | ContactOffice combines email, calendars, contacts, document storage, and collaboration tools in an online workspace. | Lark combines workplace communication and collaboration tools, including chat, calendar, document creation, and cloud storage, in one platform. |
| Security | The maker says data and backups are hosted exclusively in Europe and that data transfers use TLS/SSL encryption; it also lists two-factor authentication. | Lark says it uses industry-standard encryption and continuous system monitoring, and that employees do not have access to user data by default. |
| Support | The company page lists commercial and product requests and technical support, with a Brussels telephone number. | Lark’s customer terms list help-desk email support on weekdays, 9:00 a.m.–6:00 p.m. Singapore Time, with an intended initial response within one business day. |
Plans
Lark
- Lark Base StarterFree
- StarterFree
- StarterFree
- Basic$6 a month
- Lark Base Pro$8 a month
- Pro$12 a month
- EnterprisePriced on request
- Lark Base EnterprisePriced on request
In their own words
ContactOffice
ContactOffice brings email, calendars, contacts, document storage, and collaboration tools into an online workspace. Its messaging center can consolidate POP3, IMAP, Gmail, and Yahoo addresses, and supports POP3 or IMAP software access and SMTP relay. Calendar functions include shared agendas, meeting invitations, polls, reminders, and CalDAV synchronization. Contacts can hold photos, comments, and access maps, with CSV and vCard imports and CardDAV synchronization. The documents tool supports shared files, collaborative editing, PDF conversion, and WebDAV access. The service supports Android, iOS, Linux, macOS, Windows, and web access, plus synchronization with iPhone, iPad, Android, and other Exchange-capable devices. Global synchronization is limited to paid subscriptions. The maker says data and backups are hosted in Europe, transfers use TLS/SSL, and two-factor authentication is available. The free plan includes 500 MB each for mailbox and documents, 200 address book entries, and no monthly SMS allowance. Paid plans begin at €5 a month, billed for six months.
Lark
Lark brings workplace communication and collaboration tools together in one platform, including chat, calendars, document creation and cloud storage. In video meetings, participants can edit shared Docs in the call window. Starter includes unlimited real-time translation, while AnyCross provides drag-and-drop workflow automation and integrations, including ready-to-use solutions. The App Directory lists third-party tools for areas such as collaboration, recruitment, expense control, CRM and ERP. Developers can use the Open Platform to build custom bots, web apps and blocks, with more than 2,500 APIs available. Lark supports web, Windows, macOS, Linux, iOS and Android. Starter is limited to 20 users, 100 GB of storage and one-on-one video meetings; its listed allowances also include 18 months of message history and 1,000 automations per month. Basic, Pro and Enterprise list higher user, storage, meeting or automation allowances. The maker describes Starter as intended for small teams with simple communication needs and Enterprise for large companies needing advanced security and organizational management. A free plan is listed.