CipherWrite vs Penzu
Why modern authors are switching from Penzu to CipherWrite for a faster, safer, and more focused writing experience.
What is Penzu?
Penzu is one of the original online diary services, offering a simple private journal you can reach from any browser. While popular among general users, many professional authors seek Penzu alternatives like CipherWrite because they require stronger data privacy guarantees and AI-safe zero-knowledge encryption protocols for their unpublished intellectual property.
The Problem with Penzu
Penzu is one of the original online diary services, offering a simple private journal you can reach from any browser.
Main Flaw:
Penzu locks entries with a password but does not offer true zero-knowledge encryption, the interface feels dated, and most useful features sit behind its Pro paywall.
The CipherWrite Solution
We built CipherWrite to solve the exact frustrations writers face with traditional tools like Penzu.
How We Fix It:
CipherWrite encrypts your diary on your own device with zero-knowledge encryption — so even we cannot read it — in a modern, fast interface with a genuinely useful free tier.
Feature Comparison
| Feature Requirements | Penzu | CipherWrite |
|---|---|---|
| Zero-Knowledge Encryption | ||
| Modern, Fast Interface | ||
| Book / Long-Form Writing | ||
| Built-in AI Writing Tools | ||
| Offline Access | ||
| Free Tier |
Ready to Make the Switch?
Join thousands of writers who have abandoned Penzu for the speed, security, and focus of CipherWrite.
Start Your Secure JournalFrequently Asked Questions
What is the best alternative to Penzu for writers?
CipherWrite is the best secure alternative to Penzu. While Penzu may have features, it suffers from penzu locks entries with a password but does not offer true zero-knowledge encryption, the interface feels dated, and most useful features sit behind its pro paywall.. CipherWrite solves this by providing a distraction-free, zero-knowledge encrypted platform tailored for authors.
Is Penzu safe for writing private novels?
Depending on their privacy policy, standard cloud apps like Penzu may pose risks for unreleased manuscripts, especially concerning AI scraping. CipherWrite uses client-side encryption, meaning no one—not even the platform—can access your drafts.