Keymate Privacy Policy

Effective date: 2026-05-18

Nemo Studio (Representative: Wangjun Cha; Business Reg. No. 482-06-03410; Mail-Order Sales Reg. No. 2025-Changwon Seongsan-0574; Address: 774 Wonidae-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea; "the Company") values your privacy and adopts and publishes this Privacy Policy to comply with the Korean Personal Information Protection Act ("PIPA") and other applicable laws.

1. Personal data collected and methods of collection

The Company collects only the minimum information needed to provide the service.

Apart from the above, the Company does not collect any sensitive information under Article 23 of PIPA or any unique identifiers (e.g., resident registration numbers) under Article 24.

Information stored only on local devices and not transmitted externally

The following information is processed only on your phone or PC, or between paired devices on the same Wi-Fi network, and is never transmitted to the Company's servers or any third party.

  • Pairing info: PIN, public key, paired device name, host address, port (stored in the phone's secure storage)
  • Button and layout settings (stored locally on the PC)
  • Button inputs and action-trigger messages (exchanged only between paired devices over LAN)

2. Purposes of collection and use

  • Anonymous UID: user identification and abuse prevention
  • Service usage logs: statistical analysis for product improvement and error tracking
  • Inquiry information: receiving, processing and responding to inquiries; service-quality improvement
  • Payment information: processing paid license payments, issuing and delivering license keys, refunds and receipts, abuse prevention
  • Access logs: stable service operation, providing auto-updates, prevention of abuse and attacks

3. Retention and use periods

  • Anonymous UID: until the app is deleted or use is discontinued
  • Service usage logs (Firebase Analytics): 14 months from collection (Google Analytics default retention)
  • Inquiry information: 3 years after the inquiry is resolved
  • Access logs: 3 months from collection (Communications Privacy Act, Article 15-2)
  • Payment information (order numbers, payment records, etc.): periods required by the Korean Act on the Consumer Protection in Electronic Commerce — records of contracts or withdrawal of offer: 5 years; records of payment and supply of goods: 5 years; records of consumer complaints or dispute resolution: 3 years

Where retention is required by applicable laws, data will be kept for the period prescribed by those laws.

4. Provision of personal data to third parties

The Company does not provide your personal data to third parties, except in the following cases:

  • When the user has consented in advance
  • When required by law, or when an investigative authority requests data following the procedures prescribed by law for investigative purposes

5. Entrustment of personal-data processing

To provide the service smoothly, the Company entrusts processing of personal data as follows:

6. Cross-border transfer of personal data

Pursuant to Article 28-8(1)(3) of PIPA, the Company transfers personal data overseas to the extent necessary for the conclusion and performance of contracts with data subjects, as follows:

These overseas transfers are essential to providing the service (in particular auto-updates, payments and analytics). If you do not agree to the transfers, you may be unable to use some or all of the relevant service.

7. Rights and duties of data subjects, and how to exercise them

You may exercise the following rights at any time:

  • Access, correction, deletion or suspension of processing of your personal data
  • Withdrawal of consent to personal-data processing

You may exercise these rights in writing, by email or otherwise via the contact details below, and the Company will respond without undue delay.

Residents of the EU/EEA may also lodge a complaint with their local data protection authority.

8. Procedure and method of destroying personal data

  • Procedure: destroyed immediately after the retention period expires or the purpose of processing is fulfilled
  • Method: data in electronic form is permanently deleted in a manner that prevents recovery or reproduction

9. Measures to ensure security of personal data

  • Transport encryption: TLS (HTTPS) for external communications; public-key authentication for LAN pairing
  • Access control: Firestore security rules block direct client access
  • Adherence to the principle of minimum data collection

10. Use of and opt-out from automated collection devices (e.g., cookies)

The app does not use web cookies. Event logging via Firebase Analytics can be opted out of by enabling the operating system's limit-ad-tracking setting or by uninstalling the app.

11. Personal data of children under 14

The Company does not collect personal data from children under 14. Use of this service by children under 14 is not recommended.

12. Data Protection Officer and contact

If you need to report a personal-information violation or seek advice, you may contact the following Korean authorities:

  • Personal Information Dispute Mediation Committee: 1833-6972 (www.kopico.go.kr)
  • Personal Information Infringement Report Center: 118 (privacy.kisa.or.kr)
  • Cyber Investigation Division, Supreme Prosecutors' Office: 1301 (www.spo.go.kr)
  • Cyber Bureau, Korean National Police: 182 (ecrm.cyber.go.kr)

13. Changes to this Privacy Policy

This Policy takes effect from the effective date above. When changes are made under applicable laws or policy, the Company will notify users via the app or this page at least 7 days before the changes take effect.

The Korean version of this document is the legally binding original. In case of any discrepancy between this translation and the Korean version, the Korean version shall prevail.