| Account creation, login, identity confirmation, support, and consent record management | Email address, encrypted password for email sign-up, social account identifier for Google or Apple sign-in, nickname, preferred language, time zone, default currency, consent status, consent version, consent channel, and consent timestamp | Until account withdrawal. Consent records may be retained for the period required by applicable law or dispute handling. |
| Deadline item storage, reminder calculation, list/calendar display, and payment summary | Category, title, description, amount, currency, payment method, user-defined payment account name, start date, due date, repeat setting, memo, completion status, reminder target, reminder days, reminder time, time zone, and reminder enabled status | Until the user deletes the item or withdraws the account |
| Attachment upload and management for receipts, contracts, warranties, reservations, and documents | Uploaded file name, file type, storage path or URL, related deadline item ID, and file creation time | Until the user deletes the file, deletes the related item, or withdraws the account |
| Service security, abuse prevention, app error analysis, and stable operation | IP address, access logs, device or browser information, app environment, service usage records, error records, and push token when notifications are enabled | Deleted after the operational purpose is achieved, unless retention is required by applicable law |