Fastmail Calendar vs Lark
Fastmail Calendar
fastmail.com
Lark
larksuite.comSide by side
| Figure | Fastmail Calendar | Lark |
|---|---|---|
| Price from | $4/mo | $6/mo |
| Free plan | — | Yes |
| Free trial | Yes | 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 | 6 | 8 |
| Spec score · Calendar apps | 9.0 (#11) | 9.4 (#2) |
| Free plan | No | Yes |
| Headquarters | Melbourne, Australia | Singapore |
| Integrations | Fastmail describes integrations with 1Password and Bitwarden for creating Masked Email addresses, and the pricing page mentions integrations including 1Password and Dropbox. | TrustRadius lists integrations including Salesforce Agentforce Sales, Jira, Zoom Workplace, Asana, Trello, Jenkins, GitHub, GitLab, Zapier, Sentry, Grafana Cloud and Giphy. |
| Platforms | Fastmail lists apps for Windows, macOS, Linux, iOS, and Android, as well as a browser app. | web,Windows,macOS,Linux,iOS,Android |
| Security | Fastmail says data is encrypted at rest and in transit, supports two-step verification and passkeys, and offers EU or US data residency choices. | Lark says it uses industry-standard encryption and continuous system monitoring, and that employees do not have access to user data by default. |
| Support | Every plan includes expert support from real people, and the pricing page says support is available 24/7. | 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
Fastmail Calendar
- Basic$4 a month
- Individual$6 a month
- Standard$6 a month
- Duo$10 a month
- Professional$10 a month
- Family$14 a month
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
Fastmail Calendar
Fastmail Calendar is an online calendar integrated with Fastmail email, available on web, Linux, macOS, Windows, Android and iOS. It supports two-way calendar sync and shared calendars, including business plans with sharing and administrative controls. Users can bring in calendars from Google, iCloud and elsewhere, search instantly, and organize events with drag-and-drop editing. It can show schedules in other time zones, compare emailed event updates with earlier versions, and manage calendars offline in its apps; changes sync when the device is back online. Fastmail documents calendar access through CalDAV and JMAP APIs for account data more broadly. The service is paid, has a 30-day trial and does not list a free plan. Options include Basic at $4 a month, Individual at $6 a month, Standard at $6 a month, Duo at $10 a month, Professional at $10 a month and Family at $14 a month. Longer billing terms have separately listed rates. Fastmail was founded in 1999 and is headquartered in Melbourne, Australia.
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.