Free calendar compared — 24Houring vs Google, Naver, TimeTree, Notion Calendar and Goodnotes

By 24Houring · 2026-10-22

Short answer: 24Houring's calendar is a free monthly calendar that opens in the browser with no sign-up. It shows this month and next side by side, and plans, multi-day plans, repeats and saving a month as a PNG are all free, with no cap on the number of plans and no ads. It suits people who keep their own appointments and notes, and with a free shared group (sign in with Google) a family, a couple or friends edit one shared calendar together. For team scheduling with invitations, notifications and comments, Google Calendar or TimeTree is the better fit.

What to look for in a free calendar

Every service says "free", but what is free differs a lot. Settle these five questions first.

• Just you, or a group: if several people need the same plans, such as a family schedule or team meetings, sharing and invitations matter most. If it is only your own appointments, something that opens without an account is lighter.
• Sign-up and install: do you need an account, an app, or does it open in any browser?
• Free limits and ads: is there a cap on plans or notebooks, and does the free tier show ads?
• Views and decorating: one month at a time or several, stickers and paper, saving the month as an image.
• Where data lives: on a server account or on your device, and how it connects to other calendars.

At a glance

Details for the other services come from their official pages and app store listings as of October 2026. Prices vary by region and over time.

A short, fair note on each

• Google Calendar: the most familiar tool for inviting people and sharing calendars. You can import .ics or CSV files on a computer, and the same plans appear on the web and on phones. Calendar sharing cannot be set up in the iPhone and iPad app, though; that is done in a browser on a computer.
• Naver Calendar: good for lunar-date events and anniversaries, and its 700-odd free stickers let you decorate without paying. It offers many home-screen widgets (today, list, timetable, D-day and more), and the app stays in step with the PC web version.
• TimeTree: built for one calendar shared by a fixed group, such as a family, a couple or a club. Events carry comments and photos, and there is a web version. The free tier shows ads; ad removal and file attachments are Premium.
• Notion Calendar: strongest for people already in Notion, since it puts Notion dates and your events on one screen and handles Google, Outlook and iCloud calendars together. It is less a standalone calendar than a layer over existing calendar accounts, so you need one to connect.
• Goodnotes: one of the best-known note apps for decorating a digital diary with handwriting and stickers. No calendar app matches the freedom of a blank page you can stick anything on. The free plan stops at three notebooks and digital planner pages sit in the paid plans, so one approach is to keep appointments in a calendar and use Goodnotes for the decorated journal.

Where 24Houring's calendar is strong

• It opens from a link with no account or install, with no cap on plans and no ads on the free plan.
• This month and next sit side by side, so plans around the turn of the month do not get lost. Five-week months keep the rows roomy; days that would spill into a sixth week open the next month's first row, labelled like "1/31".
• Editing a repeating plan asks how far to apply it: this day, this and later, or all.
• A month saves as a 2160-pixel-wide PNG or goes straight to your phone's share sheet, with an optional mask that hides names or every word. The image is drawn on your device and never uploaded.
• It connects to the rest of the app. The one-month view shows the diary you wrote on the timetable, birthdays from the Relation tab and anniversaries from the Life tab appear read-only, and actions from a mandal-art chart or a mind map can be sent to a calendar date.
• Plans stay in this browser by default. Pro sync puts the same calendar on every device, and the diary lock adds end-to-end encryption so the server cannot read it.
• The Android app has a home-screen widget showing this month, dots on days with plans, and the next three plans.

Where it is honestly weaker

• The shared calendar is light. A calendar made in a shared group (free, sign in with Google) is edited together in real time, but there are no per-plan invitations, comments or notifications. For team scheduling, Google Calendar or TimeTree is the right tool.
• Decorating is not free. Colour themes are free, but paper, 300+ stickers, masking tape, photo stickers and the highlighter are Pro. If free stickers matter most, Naver Calendar is more generous.
• The Google link runs one way. Pro reads up to five Google calendars through their private iCal addresses, read-only, after the diary lock is set. There is no export from 24Houring into Google Calendar.
• No iPhone app or widget. On an iPhone you use the browser or the web app added to the home screen; the home-screen widget is Android only.
• On-device storage has limits. Clearing site data or moving to another browser or device can lose access to your plans. Without sync, download the JSON backup from Export now and then.

How to start in 24Houring

1. Press Open the calendar. There is no sign-up screen; this month and next open side by side.
2. Tap a day, write the plan, and pick all day or a time and a colour. For exams or trips that run several days, drag across the dates to set the whole span at once.
3. If it repeats, choose daily, weekly, monthly or yearly.
4. When you want to keep a month, save it as a PNG from Export at the top. Try the privacy mask before sharing.
5. To decorate, start with a colour theme in Design, then Decorate calendar. Paper and stickers are Pro, and a Google sign-in gives 7 days of Pro with no card.

What is free is listed on the free calendar page, the decorating tools on decorated calendar, and prices on pricing. Count down to an exam or a trip with the free D-day counter, and break a goal down with a mandal-art chart or a mind map before sending it to the calendar. Plan single days with the schedule maker, and read circle, list, or calendar for when to use which. Everything else is on free tools.

FAQ

Is there a free calendar I can use without signing up?

Yes. 24Houring's calendar opens in the browser with no account and nothing to install. Plans, multi-day plans, repeats, the two-month view and PNG export are free, with no cap on plans and no ads. By default your plans are kept in that browser.

Can I use 24Houring's calendar instead of Google Calendar?

For your own appointments and notes it may be enough. If you invite people or need to see a work calendar, keep Google Calendar and use Pro's Google Calendar import to see those events read-only in 24Houring.

Can I decorate a calendar for free?

In 24Houring, planning, colour themes and image export are free; paper, stickers, masking tape and photo stickers are Pro. Decorations stay visible if Pro ends. If free stickers come first, also look at Naver Calendar, which lists 700-odd free stickers as of October 2026.