2
Artful Agenda
Free download; paid upgrades in the app
Digital planner that looks like a paper agenda and syncs with your calendars.
Free planiPhoneAndroid
At a glance
| App | Price | Platforms | Pick it if |
|---|---|---|---|
| Countdown (the app you have) | Free download | iPhone, Android | - |
| Google Calendar | Free with a Google account | iPhone, Android, Web | you want it free |
| Artful Agenda | Free download | iPhone, Android | you want a close match |
| HEY Calendar | Included with HEY, about $99/year | Everywhere | you need it on Windows, Mac and Linux |
| Morgen | 14-day free trial | Everywhere | you need it on Windows, Mac and Linux |
| Notion Calendar | Free | Everywhere | you want it free |
| Proton Calendar | Proton Free $0 | Everywhere | you need it on Windows, Mac and Linux |
| SimpleCal | Free | Apple | you want it free |
| Amie | Free tier | iPhone, Mac, Windows, Web | you need it on Windows, Mac and the web |
1
Google Calendar
Free with a Google account
The default shared calendar for most families and teams.
Pick it if you want it free, you need it on the web and you want something simpler.
FreeiPhoneAndroidWeb
3
HEY Calendar
Included with HEY, about $99/year
A scrolling timeline calendar from 37signals, with habits, journaling and time tracking.
Pick it if you need it on Windows, Mac and Linux.
PaidiPhoneAndroidMacWindowsLinuxWeb
4
Morgen
14-day free trial; Pro about $15-30/month
Calendars, tasks and an AI planner that schedules your to-dos into free time.
Pick it if you need it on Windows, Mac and Linux, you want more power-user features and you want AI built in.
PaidiPhoneAndroidMacWindowsLinuxWeb
5
Notion Calendar
Free
A fast, keyboard-friendly calendar for Google Calendar users.
Pick it if you want it free and you need it on Windows, Mac and the web.
FreeMacWindowsiPhoneAndroidWeb
6
Proton Calendar
Proton Free $0; Mail Plus $3.99/month billed annually
An end-to-end encrypted calendar from Proton, with sharing, booking pages and Proton Mail integration.
Pick it if you need it on Windows, Mac and Linux, you want it free and privacy matters most to you.
Free planiPhoneAndroidMacWindowsLinuxWeb
7
SimpleCal
Free
Very simple calendar app.
Pick it if you want it free.
FreeiPhone
8
Amie
Free tier; paid Pro and Business plans
Calendar, to-dos, email and AI meeting notes together in one workspace.
Pick it if you need it on Windows, Mac and the web and you want AI built in.
Free planiPhoneMacWindowsWeb
We matched these apps to Countdown by what they are for, who they suit and where they run, using our research on each app's official website and app store listing. We have not tested them hands-on for this page. Check the price on each app's own site before you buy.