FirstSeed Calendar

FirstSeed Calendar
Developer: 🇯🇵 FirstSeed Inc
Add to Compare
1.6M installs
31K ratings
63K monthly active users
$<10K monthly revenue est.
IAP 31% · Ad 69%
Install Trends
Weekly +2.5K
Steady
Monthly +10K
Steady

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 31K ratings with a 4.54★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 63K monthly active users and generates around $<10K monthly revenue (31% IAP / 69% ads). Store last updated Oct 1, 2026

Recent activity: 48 new ratings this week View trends →

SDK intelligence: AppGoblin detected 3 development tools(e.g. Google), 1 ad networks,and 1 analytics: product integrated into FirstSeed Calendar. View full SDK list →

FirstSeed Calendar SDKs Summary

FirstSeed Calendar was last scanned for SDKs on 2026-08-15. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.


4.54★

Ratings: 31K

5★
4★
3★
2★
1★

Screenshots

App screenshot
App screenshot
App screenshot
App screenshot
App screenshot
App screenshot

App Description

FirstSeed Calendar keeps your events and reminders in one place. It’s fast, flexible, and built so you can handle most tasks with one hand.

Features:
- Month view that handles everyday tasks with one hand
- Week view that fits the whole week on one screen, with no vertical scrolling
- Day, list, and year views, including a list view laid out like a paper planner
- Events and reminders together in one calendar
- Move or duplicate events to multiple dates at once
- Respond to invitations right from the app
- Daily Summary notifications for today’s or tomorrow’s events
- Home Screen, Lock Screen, StandBy, and interactive widgets, including a timeline widget
- Control Center controls
- Apple Watch app with complications
- Dark mode, custom themes, and colors for weekends and holidays
- Designed for Liquid Glass, with clear and tinted icons and widgets

Pro: One-Time Purchase, No Subscription:
- Sync directly with Google Calendar, including per-event colors
- Trash: recover deleted events and reminders for up to 30 days
- Automatic backups of your calendar data
- Quick Event: create events by typing naturally, like “Lunch with Bob at noon tomorrow”
- Full-screen alarms for events you can’t miss
- Weather forecasts in your calendar
- Week numbers, time zones, and event history
- Drag and drop to reschedule events
- Templates for events you create often
- Calendar sets to show or hide groups of calendars with one tap
- Import and export ICS files
- Customize the Apple Watch app
- Alternate app icons
- No ads

Sync:
FirstSeed Calendar works with Apple’s Calendar and Reminders apps, so your events and reminders stay in sync across all your devices through iCloud, Google, Exchange, and any other accounts you’ve added in Settings.