Will I lose access to Principle after I stop paying?

No. Principle is a perpetual license — the app continues to work indefinitely even after your 1-year update window expires. You simply stop receiving new features released after that date, but the version you have remains fully functional.

Is Principle auto-renewed? Will I be charged again?

No. The $99/year update renewal is entirely optional and manually initiated by you. There is no automatic subscription billing. You will never be charged again unless you visit the pricing page and deliberately purchase a renewal.

How do I get a refund for Principle?

There is no self-serve refund process. Contact the developer via the form at https://principleformac.com/contact.html, including your order email and purchase date. Expect at least one week for a reply. Principle is run by a single developer.

Can I reactivate my updates after letting them lapse?

Yes. You can purchase the optional $99 update renewal at any time from https://principleformac.com/pricing.html to restore access to new features for another year.

Where is my license key stored?

You can retrieve your license key at https://principleformac.com/account.html by entering the email address used during purchase. The key is delivered by email at the time of purchase.

Does Principle delete my files or projects if I stop using it?

No. All your Principle project files (.prd files) remain on your computer and are fully yours. Principle has no cloud storage — all data is stored locally, so nothing is deleted if you stop using the app.

Principle 해지 방법 (2026)

Principle 플랜은 US$29.00/월부터 시작합니다. 4단계 가이드를 따라 약 3분 만에 구독을 해지하세요 — 유지 제안을 피하는 팁 포함.

업데이트: 2026년 4월

부터 US$29.00/월

(≈ ₩43,014.89)

쉬움해지 시 연간 US$348.00 절약

웹사이트 방문

예상 소요 시간:3 분

해지 방법:Email

Understand the license model

Principle for Mac is sold as a one-time perpetual license ($129/computer), not a recurring subscription. There is no auto-renewal billing. You do not need to cancel anything to stop being charged — you will never be charged again unless you manually purchase the optional $99 update renewal.

Confirm you have no pending renewal

Visit https://principleformac.com/account.html and enter your license email to look up your account. Confirm your license details and verify no renewal was recently purchased. The optional $99/year update renewal is always manually initiated — it is never charged automatically.

Stop using the app (no uninstall required for billing)

Since there is no subscription, simply not renewing means you will never be billed again. To uninstall the app, drag Principle from your /Applications folder to the Trash and empty it. Your license key remains valid for the perpetual license even after uninstalling.

Request a refund if recently charged (optional)

If you purchased within a short window and want a refund, go to https://principleformac.com/contact.html and submit a refund request via the contact form. Include your order email and purchase date. Note: Principle is a one-person company — expect at least 1 week response time. There is no documented public refund policy.

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