LastCallAbout us
Last updated: July 16, 2026
The Windows tray reminder “LastCall” is developed and provided by the sole proprietorship “Ryusudo”.
| Business name | Ryusudo |
|---|---|
| Representative | Yasuyuki Hirakawa |
| Location | Japan Full address disclosed without delay upon request or billing. |
| Contact | [email protected] (email only; primary support language: Japanese) |
| Business | Planning, development, and sale of software |
| Products | LastCall (a Windows tray reminder; Free edition + paid Enterprise) |
| Payment provider | Payments, billing, and receipts for the paid edition are handled by Lemon Squeezy, our Merchant of Record. |
About transactions: Sales of the paid edition are made through Lemon Squeezy. For contract-based provision to public agencies, large enterprises, and the like (e.g., payment by invoice), please reach out individually via our contact address.
1Related pages
Terms of Use (license terms)
Privacy Policy
Support policy
Changelog