FAQ

❓ Frequently Asked Questions

We’ve collected frequently asked questions and answers.


Q. What is Paper?
A. Paper is an in-app currency used to create items.
  • Creating 1 item = 1 Paper consumed
  • 10 sheets free upon new signup
  • Additional purchase available in shop
Q. Can I get Paper for free?
A. Yes! You can get it free through these methods:
  • New signup: 10 sheets (first time only)
  • Google account linking: +10 sheets
  • Apple account linking: +10 sheets
Linking all social accounts gives you up to 30 sheets for free.
Q. What if I run out of Paper?
A. If you run out of Paper, you cannot create new items. Purchase Paper from the shop, or link any unlinked social accounts for additional Paper.

Items you've already created will remain stored even without Paper.

📄 Creating Items

Q. How do I create an item?
A. Follow these steps:
  1. Tap on your Paper on the home screen
  2. Select "Create New Item" from the bottom menu
  3. Enter item information (title, content, image, etc.)
  4. Save and 1 Paper will be consumed to create the item
Q. Can I set an expiry date for items?
A. Yes, you can set the following dates when creating items:
  • Start Date: Content will be blurred until this date
  • Expiry Date: Content will be blurred and log additions disabled after this date
If not set, it will be immediately visible and permanent.
Q. Can I delete items?
A. Yes, you can delete items from the bottom menu after selecting them.

⚠️ Warning:
  • Deleted items cannot be recovered
  • Paper cannot be deleted
  • Unused consumables (ink, stamps, badges) cannot be deleted
  • Equipped badges must be unequipped before deletion

🏷️ Badge System

Q. What is a Badge?
A. A badge is a unique identity for use within the app.

When you engrave a domain name on a badge, all your activities in the app will display your engraved domain name instead of your email.

Examples: MyBrand, JohnDoe
Q. How do I engrave a Badge?
A. Follow these steps:
  1. Select unused badge → "Engrave" menu
  2. Enter desired domain name (max 32 chars, letters/numbers only)
  3. Click "Check Domain Availability" button to verify
  4. Optionally attach a 128x128 image
  5. Click "Engrave" button to complete
⚠️ Important: Once engraved, the domain name and image cannot be changed permanently.
Q. How do I equip/unequip a Badge?
A. Tap an engraved badge to see "Equip" or "Unequip" buttons on the detail screen.
  • Equipped: Your engraved domain name will be displayed for all activities
  • Unequipped: Your default email will be displayed again
Even if you own multiple badges, only one can be equipped at a time.
Q. Can someone else use the same domain name?
A. No. Domain names must be unique among all users.

However, if a badge is deleted, that domain name becomes available for others to use.

🔖 Stamp System

Q. What is a Stamp?
A. A stamp is an item that lets you create templates and share them with others.

Templates can have images, titles, content, expiry dates, and support log functionality for keeping records.
Q. How do I create a Stamp template?
A. Follow these steps:
  1. Select unused stamp → "Create New Template" menu
  2. Select template image (required)
  3. Enter title and content
  4. Set start date/expiry date (optional)
  5. Select Log Mode: Solo log or Shared log
  6. Click "Create Template" button to complete
Q. What's the difference between Solo log and Shared log?
A. The recording method differs completely based on log mode:

CategorySolo LogShared Log
Log StorageSaved to each person's private spaceSaved to shared space based on original stamp
Visible LogsOnly your own logsAll owners' logs
Use CasesPersonal diary, notesCollaboration, sharing opinions, community
If Stamp DeletedNot affectedCannot add shared logs (read-only)
Q. Can I duplicate a Stamp?
A. Yes! When you select an activated stamp (template) and paper together, the "Duplicate Template" menu appears.

Duplicating consumes 1 Paper and creates a new item with the same template. If in shared log mode, it uses the same shared space as the original.

📝 Log Feature

Q. What are Logs?
A. Logs are a feature for keeping records on items or stamp templates.

Written as messages, they display like chat. Written as key:value, they display as info cards.
Q. Are there special log formats?
A. Yes, various formats are supported:

Basic Formats:
  • key:value - Displayed as info card (key 1-8 chars)
  • --- - Displayed as divider
  • Plain text - Displayed as chat bubble
Text Styling:
  • <[text]> - Main color card
  • [<text>] - Gray card + main color text
  • [text] - Gray card
  • <text> - Main color text
  • (text) - Sub color text
  • "text" - Bold
  • 'text' - Underline
  • !text! - Strikethrough
Styles can be nested up to 3 levels. Using the same key multiple times displays as previous value → new value comparison.
Q. It says shared log has been terminated
A. Shared log additions are terminated in these cases:
  • Original stamp deleted: "Shared log terminated because original stamp was deleted"
  • Expiry date passed: "Cannot add logs to expired shared logs"
Existing logs can still be read, but new logs cannot be added.

🎨 Ink System

Q. What is Ink?
A. Ink is an item that changes the app's theme color.
  • Black Ink: Default black theme
  • Gold Ink: Luxurious gold theme
Tap ink and select "Change Theme" to immediately change the entire app's color.

📤 Send/Receive

Q. Does sending an item remove it from my inventory?
A. Yes, it disappears immediately. Transfers cannot be undone, so proceed carefully.

However, if the recipient selects "Return", the item will come back to you.
Q. Where can I find the QR code?
A. You can find your QR code on the Profile screen.
  • Sender: Use "Scan QR" button to scan recipient's QR
  • Recipient: Show QR code from Profile
The QR code contains your email address for quick transfers without manual entry.
Q. Can I send multiple items at once?
A. Yes, you can. Check multiple items on the send screen and transfer them all at once.

🔍 Search Feature

Q. How do I use the search bar?
A. Tap the search bar at the top to activate search mode:
  • Results are filtered in real-time as you type
  • Recent searches are shown below (up to 5)
  • Use the "Set as Filter" button to save searches for quick reuse
Q. How do I manage filters?
A. When you save a search term as a filter:
  • It appears as a filter tag below the search bar
  • Tap the tag to instantly filter by that term
  • Delete filters with the X button
Q. What is keyword aggregation?
A. When a filter is set and you select items, the keyword values of selected items are automatically aggregated:
  • Numeric values: Sum and average are calculated (e.g., Sum: 6000 Average: 2000)
  • String values: Joined with spaces (e.g., A B C)
  • Copy values: Long press an aggregation result card to copy to clipboard
Useful for calculating total prices of multiple items or gathering related tags.

🛒 Shop

Q. What can I buy in the shop?
A. You can purchase these items:
  • Paper: For creating items
  • Stamp: For creating templates
  • Ink: For changing theme color
  • Badge: For engraving unique domain
Q. Can I use the shop on PC?
A. Yes, the shop is available on all platforms (iOS, Android, Windows, macOS).

📂 Partition

Q. What is a Partition?
A. Partition is a feature to organize items into groups.
  • Select items and use "Create Partition" to create a new partition
  • Partition names can be up to 16 characters
⚠️ Partitions are stored only on the device. They are not visible on other devices.

🆘 Other

Q. I found a bug
A. Please report it on the Bug Report page.
Q. I want to suggest a new feature
A. Please share your ideas on the Suggestions page.
Q. I want to delete my account
A. Go to Profile → Settings → Delete Account.

⚠️ Warning: Deleted accounts and all items cannot be recovered.

💬 Didn’t find your answer? Contact us through Suggestions or check the Manual.