One page a day.
That's all it takes.

Simple task management with ○△× marks.A planner-style app for your daily tasks.

Get started
Mon, March 9, 2026
1.
Create presentation
2.
Check app progress
3.
Team meeting
4.
Submit proposal
5.
Finish expense report
Add a task...
Tue, March 10, 2026Today
1.
Submit proposal
2.
Design review: new feature
3.
Write weekly report
4.
Follow up with client
5.
Check Slack messages
Add a task...

Sound familiar?

Tired of searching for the perfect app?

Tags, recurring tasks, AI features, automation... You try new tools and give up. What you really needed was something much simpler.

Paper notebooks were the best all along

Write, cross off, flip the page. Paper planners are simple and easy to stick with. But they're not always with you.

In the age of AI, focus is what matters

Information and tools are everywhere. That's exactly why you need one page a day — a place to write down only what truly matters.

A day with ichiyo

Morning

Open today's page

Open ichiyo while brewing your coffee. Write down what you need to do today.

9:41
Today

Tue, March 10

1.
Submit proposal
2.
Design review
3.
Write report
4.
Client follow-up
5.
Check Slack
Add a task...

Daytime

Track progress with ○△×

Done? Mark it ○. In progress? △. One swipe, just like a paper planner. On your phone or PC — always by your side.

1.

Create presentation

Done ○

2.

Check app progress

In progress △

3.

Submit proposal

Not done ×

Evening

Reflect on your day

Look back on your day with ichiyo. Mark what's left with × and leave it for tomorrow.

TodayMarch 2026
Mon, March 9
1.Create presentation
2.Check app progress
3.Team meeting
4.Submit proposal
Tue, March 10Today
1.Submit proposal
2.Design review
3.Weekly report
4.Check Slack messages

ichiyo Features

No complex features. But everything you need for your day is here.

One page per day

A digital planner in the one-page-per-day format you've been looking for. Reorder tasks freely.

Spread view

View yesterday and today side by side on PC. See what's left and what's ahead at a glance.

Simple ○△× marks

Done is ○, in progress is △, not done is ×. Swipe or tap to switch. See all your task statuses at a glance.

Detail memos

Tap a task to add a detail memo. Record notes and ideas on the spot.

Holiday calendar

Supports holidays for Japan, US, UK, and more. Skip holidays when copying tasks forward.

Start your day with ichiyo

Write down what matters on one page. That's all it takes to change your day.

Get started