FirstSeed Calendar
FirstSeed Calendar Summary
FirstSeed Calendar is a free, ad-supported, with in-app purchases iOS app in Productivity by FirstSeed Inc. Released in Feb 2018 (8 years ago). It has 30.5K ratings with a 4.55★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 60K monthly active users and generates around $<10K monthly revenue (24% IAP / 76% ads). Store last updated Jul 12, 2026
Recent activity: 1.00 new ratings this week View trends →
SDK intelligence: AppGoblin detected 2 development tools(e.g. nanopb), 1 analytics: product,and 1 ad networks integrated into FirstSeed Calendar. View full SDK list →
FirstSeed Calendar SDKs Summary
FirstSeed Calendar was last scanned for SDKs on 2026-06-19. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Firebase
Google
nanopb4.55★
Ratings: 30.5K
Screenshots
App Description
FirstSeed Calendar is a scheduling app that handles both events and reminders with the following great features:
- Added support for Liquid Glass, as well as clear widgets and icons in iOS 26.
- Supports Control Center & lock-screen buttons as well as dark & tinted app icons in iOS 18.
- Supports interactive widgets and standby widgets in iOS 17, as well as Smart Stacks in watchOS 10.
- Supports lock-screen widgets, weather and focus filter in iOS 16.
- Apple Watch support
- Full-featured month view with single-handed operation for most common tasks
- Innovative week view that eliminates the need for vertical scrolling
- List view that shows events like paper organizer
- Access to reminders
- Ability to move and duplicate events
- Show notes in full screen
- Smooth scrolling of calendar views
- And much more!
A paid upgrade is available to access these excellent extra features:
- Quick event that processes natural language (English, German, French, Spanish, Japanese)
- Week number, time zone, and event history
- Drag & drop to move events
- Template to create similar events repeatedly
- Calendar set to show or hide calendars with a single tap
- Apple Watch app settings
- Different app icons
- And more!
FirstSeed Calendar syncs with Apple's "Calendar" app, so you can use iCloud calendar or other online calendars to sync your events across all devices. It also syncs with Apple's "Reminders" app, so you can use iCloud to sync your reminders across all devices.
The new reminders in iOS 13 and macOS Catalina is only partially supported. For example, sub reminders show up as no-due reminders. Full support will be provided in the future update.