SimpleCal: Simple Calendar
SimpleCal: Simple Calendar Summary
SimpleCal: Simple Calendar is a free, ad-supported, with in-app purchases iOS app in Productivity by Yohei Fujikawa. Released in May 2017 (9 years ago). It has 41K ratings with a 4.69★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 110K monthly active users and generates around $10K+ monthly revenue (27% IAP / 73% ads). Store last updated Sep 20, 2026
Recent activity: 453 new ratings this week View trends →
SDK intelligence: AppGoblin detected 3 ad networks(e.g. Facebook), 2 development tools,and 1 analytics: product integrated into SimpleCal: Simple Calendar. View full SDK list →
SimpleCal: Simple Calendar SDKs Summary
SimpleCal: Simple Calendar was last scanned for SDKs on 2026-08-14. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Facebook
Google
AdMob
Firebase
nanopb4.69★
Ratings: 41K
Screenshots
App Description
SimpleCal is the easiest calendar app on the App Store.
Sync your schedule across platforms and devices through iCloud or Google calendar.
- Sync
All the events on your current calendar are transferable from another calendars via iCloud or Google calendar.
(The connection uses the calendar account registered in the Settings app)
- Widget
Your recent events can be displayed on a widget to grasp what to do quickly.
- Weather
The weather forecast for the specified area is displayed on the calendar(up to one week ahead)
- Reminders
You won't miss your important events via SimpleCal's reminder.
The reminders can be repeated daily, weekly, monthly and yearly.
- Customizable interface
Each event and calendar can have different colors, which makes you easily recognize your schedule.
The color theme is also customizable. You can find your favorite theme for sure.
- Simple design
You can add or edit an event only with a few steps.
Do you have some routine in your life? Then, try SimpleCal! You can create a new event just by dragging a past event.
- Dark Mode
Supports dark mode.
- Data Backup
Saves event data to an external server such as iCloud Calendar or Google Calendar.
(The app does not have its own calendar and does not save to the device's local area.)
In the unlikely event that your iPhone is damaged, you can simply log in to your original calendar account to load your previous event data.