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HITUKI
Available in Japanese and English

HITUKI USER GUIDE

Your guide to HITUKI

Out of your head, into HITUKI. From daily entries to your weekly review.

Choose a screen to learn what it is for and how to use it.

24 screens and areas58 instructionsUpdated September 15, 2026

This guide is based on the development version as of September 15, 2026. Some features may not yet appear in the released version.

01

Home

What is this screen for?
See plans, thoughts, and logs for the selected day.
Why use it?
Write things down while they are on your mind.
How to open
Open the app, or tap the sun or moon at the top.
Enlarge screenshot

Move between screens

What you can doOpen ToDo, Calendar / Agenda / Reports, and Settings.

Steps

  1. Tap the check-shaped icon at the top to open ToDo.
  2. Tap the calendar icon to open Calendar / Agenda / Reports.
  3. Tap the gear icon to open Settings.

View another day

What you can doSee entries for past or future days.

Steps

  1. Tap a date in the week strip.
  2. Use the arrows to move between weeks.

Add plans, thoughts, or logs

What you can doUse PLANS for plans, THOUGHTS for thoughts and feelings, and LOG for things that happened.

Steps

  1. Tap + beside the section you want to use.
  2. Enter the text. Choose a topic if needed.
  3. Tap the add button.

Set a time while adding a plan

What you can doSet a time before you save a new plan.

Steps

  1. Tap + beside PLANS.
  2. Choose a date, then tap the clock or Time on the right.
  3. Choose a time, tap Done, then add the plan.

Complete a plan

What you can doMove a finished plan to LOG.

Steps

  1. Tap the completion mark to the left of a plan.
  2. Check that it has moved to LOG.

Keep lists easy to read

What you can doCollapse sections and reorder supported items.

Steps

  1. Tap a section heading to expand or collapse its list.
  2. Touch and hold an item that supports reordering, then move it.
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02

Entry editor

What is this screen for?
View and change the details of an entry.
Why use it?
Keep dates, topics, and photos with the entry they belong to.
How to open
Tap an entry’s text in Home, Calendar, or Agenda.
Enlarge screenshot

Edit text and notes

What you can doKeep a short title and a longer note.

Steps

  1. Edit the Content field.
  2. Open Memo and enter more detail.
  3. Close the editor or go back when you finish.

Change the date and time

What you can doChange a scheduled date or the date of a log.

Steps

  1. Tap the date field and choose a date.
  2. For a timed plan, turn on Include Time.
  3. Choose a time.

Set a topic and importance

What you can doGroup related entries by topic and mark important items.

Steps

  1. Tap Topic and choose a topic.
  2. Tap the star at the top of the editor to change the importance mark.

Move an item to another list

What you can doMove plans to ToDo or copy a thought to Someday.

Steps

  1. Scroll to the actions at the bottom of the editor.
  2. Choose an available action, such as Move to Later.

Delete an entry

What you can doRemove an entry you no longer need.

Steps

  1. Tap Delete at the bottom of the editor.
  2. Check the confirmation, then delete it.
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03

Plan reminders

What is this screen for?
Set reminders for a plan.
Why use it?
Get a prompt to check your plan at the right time.
How to open
Scroll to Notification in the plan editor.
Enlarge screenshot

Set a reminder

What you can doSet up to two reminders for a plan.

Steps

  1. Set the plan’s date.
  2. Turn on the first or second reminder.
  3. Choose when to be notified. Allow iOS notifications when first asked.

Change or stop a reminder

What you can doTurn off a reminder you no longer need.

Steps

  1. Change the reminder time or turn it off in the plan editor.
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04

Repeat settings

HITUKI+
What is this screen for?
Set up a plan that repeats.
Why use it?
Reduce the need to enter the same plan again.
How to open
Open a dated plan and choose Repeat.
Enlarge screenshot

Choose a schedule and end condition

What you can doChoose daily, weekly, monthly, yearly, or custom intervals.

Steps

  1. Tap Frequency and choose a repeat pattern.
  2. Set the weekday, date, or interval shown.
  3. Set an end date or occurrence count if needed.

Choose which occurrences to change

What you can doApply a change to one occurrence or to future occurrences.

Steps

  1. Open a repeating plan and check the change scope.
  2. Choose the scope, then edit the text or date.
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05

ToDo

HITUKI+
What is this screen for?
Keep things you want to do before choosing a date.
Why use it?
Write things down without deciding every detail now.
How to open
Tap the check-shaped icon at the top.
Enlarge screenshot

Use the three lists

What you can doOrganize items into Soon, Later, and Someday.

Steps

  1. Use Soon for things you want to do shortly.
  2. Use Later for things you are setting aside for now.
  3. Use Someday for things you may want to try in the future.

Add a ToDo

What you can doSave a task without a date.

Steps

  1. Tap + beside the list you want to use.
  2. Enter the text and add the item.

Complete or reorder items

What you can doKeep a log of completed tasks and organize your lists.

Steps

  1. Tap the completion mark on the left to move the item to LOG.
  2. Touch and hold an item to change its order within that list.
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06

Later and Someday editors

HITUKI+
What is this screen for?
Review a ToDo’s text and list.
Why use it?
Turn an idea into an action when the time is right.
How to open
Tap an item in Later or Someday.
Enlarge screenshot

Add more detail

What you can doAdd a note, topic, photos, or an importance mark.

Steps

  1. Edit the text or note.
  2. Choose a topic or attach photos as needed.
  3. Go back when you finish.

Change the list or complete an item

What you can doMove an item to another ToDo list or complete it into LOG.

Steps

  1. Choose an action at the bottom, such as Move to Soon.
  2. If you have done it, choose Mark Complete and Add to Log.
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07

Turn a ToDo into a plan

HITUKI+
What is this screen for?
Move a ToDo into plans once you know its date.
Why use it?
Give an idea a place in your schedule.
How to open
Choose Turn into a Plan or Move to Plans in the ToDo editor.
Enlarge screenshot

Choose a date and move the item

What you can doCreate a dated plan from the ToDo’s existing content.

Steps

  1. Choose a date.
  2. Set a time and reminders if needed.
  3. Tap Turn into a Plan.
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08

Calendar

What is this screen for?
See the month and the entries for a selected day.
Why use it?
Find plans and past logs by date.
How to open
Tap the calendar icon, then choose Calendar.
Enlarge screenshot

Choose a month and day

What you can doMove between months and see the selected day’s entries below.

Steps

  1. Use the arrows beside the month to change months.
  2. Tap a date.

Add to the selected day

What you can doAdd a plan, thought, or log to the selected day.

Steps

  1. Select a day and tap its + button.
  2. Choose the entry type and enter the text.
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09

Agenda and text search

HITUKI+
What is this screen for?
Find entries across dates.
Why use it?
Find something even when you do not remember when you wrote it.
How to open
Tap the calendar icon, then choose Agenda.
Enlarge screenshot

Filter by type, period, or topic

What you can doNarrow the list to the items you need.

Steps

  1. Choose the entry types at the top.
  2. Choose a date range and a topic.
  3. Show or hide repeating plans as needed.

Expand or collapse a month

What you can doBrowse a long list one month at a time.

Steps

  1. Tap a month heading.
  2. Scroll to the day you need.
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10

Weekly report timeline

HITUKI+
What is this screen for?
Browse your entries week by week.
Why use it?
Look back without opening each day separately.
How to open
Tap the calendar icon, then choose Reports.
Enlarge screenshot

Choose a week to review

What you can doOpen a report for this week or a previous week.

Steps

  1. Scroll to find a week.
  2. Tap the week’s card.
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11

Weekly report detail

HITUKI+
What is this screen for?
Read the week’s plans, ToDos, thoughts, and logs together.
Why use it?
Review what you did and what was on your mind.
How to open
Tap a week’s card in Reports.
Enlarge screenshot

Review each type of entry

What you can doRead entries and notes, and view attached photos.

Steps

  1. Tap a type heading to expand or collapse it.
  2. Read the entries. Tap a photo if one is available.
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12

Weekly dashboard

HITUKI+
What is this screen for?
See your week in a landscape layout.
Why use it?
Compare plans and logs across the days of the week.
How to open
Tap Dashboard above the week strip on Home.
Enlarge screenshot

See the whole week

What you can doChange the week, entry types, and topic shown.

Steps

  1. Use the arrows to choose a week.
  2. Choose entry-type or topic filters.
  3. Tap a card to read its details.
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13

Topic management

What is this screen for?
Manage topics used to organize entries.
Why use it?
Make work, home, hobbies, and other areas easier to recognize.
How to open
Open Topic in Settings.
Enlarge screenshot

Add or edit topics

What you can doChange a topic’s name, icon, and color.

Steps

  1. Tap + to add a topic, or open an existing topic.
  2. Set the details in the topic editor.

Reorder topics

What you can doPlace topics you use often where they are easy to find.

Steps

  1. Tap Edit in Topic Management.
  2. Use the reorder handles to change the order, then finish editing.

End or resume a topic

What you can doMove a topic you no longer use to the ended list.

Steps

  1. Swipe the topic row or open its action menu.
  2. Choose End. Choose Resume when you want to use it again.

Delete a topic

What you can doRemove an unwanted topic.

Steps

  1. Choose Delete Topic from the topic’s actions.
  2. Confirm the deletion.
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14

Topic editor

What is this screen for?
Choose how a topic looks and what it is called.
Why use it?
Recognize a topic by its icon and color as well as its name.
How to open
Open + or edit a topic in Topic Management.
Enlarge screenshot

Set a name, icon, and color

What you can doCreate a topic that is easy for you to recognize.

Steps

  1. Enter a name.
  2. Enter one character for the icon.
  3. Choose a color, check the preview, then close the screen.
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15

Voice input

HITUKI+
What is this screen for?
Enter text by speaking.
Why use it?
Capture an idea when typing is inconvenient.
How to open
Tap a microphone in Home or ToDo and choose where to add the text.
Enlarge screenshot

Start voice input

What you can doUse your voice to enter plans, thoughts, logs, and ToDos.

Steps

  1. Read the first-use explanation. Tap Agree and Start if you want to use it.
  2. Allow microphone and speech recognition access when asked.
  3. Speak, then tap Stop when you finish.

Check the result

What you can doCheck and correct the recognized text.

Steps

  1. Check the item created after processing.
  2. If the ToDo review screen appears, edit the text and list, then tap the add button.
  3. You can still open and edit an item after saving.

Check voice input usage

What you can doCheck how many uses remain today.

Steps

  1. Find Voice Input in Settings.
  2. Check Remaining Today.
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16

Attach and view photos

What is this screen for?
Attach photos to an entry.
Why use it?
Keep information that is easier to capture in a photo.
How to open
Find Photos in an entry’s editor.
Enlarge screenshot

Attach a photo

What you can doSelect a photo from your iPhone and attach it.

Steps

  1. Tap Add in Photos.
  2. Select photos, confirm, and wait for the import to finish.

View or reorder photos

What you can doView a larger photo or change the photo order.

Steps

  1. Tap a thumbnail to open the photo.
  2. Move between photos if more than one is attached.
  3. To reorder, use Move Left or Move Right in the photo’s action menu.
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17

Manage photos

What is this screen for?
See the photos attached in the app.
Why use it?
Find photos and remove unwanted attachments together.
How to open
Open Manage Photos in Settings.
Enlarge screenshot

Browse attached photos

What you can doSee photos and the entries they belong to.

Steps

  1. Tap a photo in the grid.
  2. View the photo and its entry title.

Delete several attachments

What you can doRemove selected photo attachments together.

Steps

  1. Tap Select.
  2. Choose photos or tap Select All.
  3. Tap the delete button and confirm.
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18

Settings

What is this screen for?
Manage display options, data, and feature settings.
Why use it?
Adjust the app to suit how you use it.
How to open
Tap the gear icon at the top.
Enlarge screenshot

Change the app language

What you can doChange the language used by the app.

Steps

  1. Open App Language under Language.
  2. Choose the language you want.

Replay the navigation guide

What you can doReview the basic navigation controls.

Steps

  1. Choose Show the controls guide again under Controls in Settings.
  2. Follow the on-screen guide.

Open terms, privacy, or support

What you can doFind app information and support details.

Steps

  1. Scroll down to the app information section in Settings.
  2. Tap the Terms of Use, Privacy Policy, or Support link.
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19

Display and day phases

What is this screen for?
Change backgrounds, dates, and section labels.
Why use it?
Choose text and colors that are comfortable for you.
How to open
Find Display in Settings.
Enlarge screenshot

Set the background and change times

What you can doUse a fixed morning, daytime, dusk, or night background, or switch automatically.

Steps

  1. Choose Automatic or a day phase under Background.
  2. For Automatic, open Day Phase Start Times.
  3. Choose when each day phase begins.

Change dates, weekdays, and headings

What you can doChoose weekday labels, date format, holidays, section headers, and icon colors.

Steps

  1. Choose options for Weekday Labels, Home Date Format, and Holiday Calendar.
  2. Choose Section Headers and Icon Colors.
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20

Weather location and updates

HITUKI+
What is this screen for?
Choose a location for the weekly weather forecast.
Why use it?
Check the local forecast while planning.
How to open
Turn on Show Weekly Weather in Settings, then open Weather Location.
Enlarge screenshot

Choose a weather location

What you can doUse your current area or search for a place.

Steps

  1. Choose Set Region from Current Location or Choose a Region.
  2. Allow location access when using your current position, or select a town or city from search.

Refresh the forecast or view its sources

What you can doCheck forecast updates and data sources.

Steps

  1. Check the last update on the location settings screen.
  2. Tap Refresh Weather if needed.
  3. Tap Weather sources on Home or the dashboard to open the source page.
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21

Manage repeating plans

HITUKI+
What is this screen for?
Manage the repeat schedules you have created.
Why use it?
Adjust recurring plans when your routine changes.
How to open
Open Repeat in Settings.
Enlarge screenshot

Pause, resume, or skip

What you can doPause a repeat schedule or skip its next occurrence.

Steps

  1. Open the actions for the repeat schedule.
  2. Choose Pause, Resume, or Skip as needed.
  3. Check any confirmation shown.

Delete a repeat schedule

What you can doRemove a repeat schedule you no longer need.

Steps

  1. Swipe the repeat schedule row and tap Delete.
  2. Read the confirmation, then delete it.
↑ Back to contents
22

Widgets

HITUKI+
What is this screen for?
See plans and ToDos without opening the app.
Why use it?
Check what is next from your Home Screen or Lock Screen.
How to open
Find Widgets in the app’s Settings.
Enlarge screenshot

Choose what to show

What you can doChoose today’s plans, plans for the next seven days, and the three ToDo lists.

Steps

  1. In Widgets settings, turn on the content you want to see.
  2. Change Widget Background if needed.

Add a widget to your iPhone

What you can doPlace HITUKI on your Home Screen or Lock Screen.

Steps

  1. Touch and hold an empty area of the Home Screen, then use Edit to add a widget.
  2. Find HITUKI, choose a size, and add it.
  3. On the Lock Screen, use Customize to add HITUKI to the widget area.
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23

Storage usage and saved data

What is this screen for?
Check how much storage the app uses.
Why use it?
See how much space photos and temporary files use.
How to open
Open Storage Usage in Settings. You can also check the save location there.
Enlarge screenshot

Check storage usage

What you can doSee storage used by photos, text, and temporary data.

Steps

  1. Read the storage categories.
  2. Open Manage Photos if you want to remove attachments.

Clear the thumbnail cache

What you can doRemove temporary thumbnail images.

Steps

  1. Tap Clear Thumbnail Cache.
  2. Tap Clear in the confirmation.

Understand where data is stored

What you can doUnderstand what to keep in mind when preserving your data.

Steps

  1. Check Storage in Settings.
  2. Check your device backup options before changing phones or deleting the app.
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24

HITUKI+

What is this screen for?
Review plans for additional features.
Why use it?
Choose after checking which features you need.
How to open
Open a feature that requires HITUKI+ and choose View Plans from its message.
Enlarge screenshot

Check free and additional features

What you can doChoose the features you want to use.

Steps

  1. Read the features on the plan screen.
  2. If you want to purchase, select a plan and review the App Store confirmation.

Restore purchases

What you can doCheck access from a previous purchase.

Steps

  1. Make sure you are using the Apple Account used for the purchase.
  2. Tap Restore Purchases on the plan screen.

Manage a subscription

What you can doCheck your subscription and renewal in the App Store.

Steps

  1. Open Subscriptions under your Apple Account in iPhone Settings.
  2. Select HITUKI and review the details.
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