// essay

Essay

Why we built things the way we did. Notes from the developer, in his own words.

// MEMOROLL September 21, 2026

The second before the app opens

The ideas that arrive suddenly are the ones that leave fastest. Not the things I planned to remember — those stay.
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// BREATHING September 21, 2026

Why I took the alarm out of a breathing app

I live on Amami Oshima, an island about 380 km south of the Japanese mainland, where I run a small company.
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// MEMOROLL September 17, 2026

Why I took sync out of a notes app

I live on Amami Oshima, an island about 380 km south of the Japanese mainland.
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Japanese versions are also published on note.

PRIVACY POLICY

RESONANCE, K.K. ("the Company") establishes the following privacy policy, builds a framework for protecting personal information, and promotes its protection by ensuring all employees understand and act on its importance.

1. Management of Personal Information

The Company keeps customers’ personal information accurate and up to date, and implements necessary safety measures—such as maintaining security systems, establishing management structures, and thoroughly training staff—to prevent unauthorized access, loss, damage, alteration, or leakage of personal information.

2. Purpose of Use

Personal information entrusted to us by customers is used to contact you, provide information about our services, respond to inquiries, and send emails and materials.

3. No Disclosure to Third Parties

The Company manages entrusted personal information appropriately and does not disclose it to third parties except in the following cases:
· When the customer has given consent
· When disclosing to a contractor engaged to provide a service requested by the customer
· When disclosure is required by law

4. Security Measures

The Company takes thorough security measures to ensure the accuracy and safety of personal information.

5. Inquiries by the Individual

If a customer wishes to review, correct, or delete their own personal information, we will respond after verifying their identity.

6. Compliance and Review

The Company complies with applicable Japanese laws and other norms regarding the personal information it holds, and reviews and improves this policy as appropriate.

Contact

For inquiries about how we handle personal information, please contact:
RESONANCE, K.K.
10-1 Irifune-cho, Naze, Amami City, Kagoshima 894-0034, Japan
Mail: office@res.co.jp