
Copy.ai
Jasper.ai
Writesonic
ChatGPT
Rytr
Copysmith
Anyword
AdCreative.ai
CipherWrite
Standard Notes
Notion
Obsidian.net
Scrivener
Reedsy
Novelist
CipherWrite is a privacy-first writing and journaling app with true end-to-end, zero-knowledge encryption, designed for novels, private journals, and long-form writing that only you can read. It runs as a free, cross-platform PWA on Web, Mac, Windows, Linux, iOS, and Android, with client-side keys, anonymous sync, and no trackers or AI training on your data. CipherWrite adds optional, boundaries-respecting AI for brainstorming and editing, plus tiers from a free local-only plan to pro and enterprise options with encrypted cloud vaults, AI credits, image uploads, and self-hosted deployments
Copy.ai
CipherWriteNo CipherWrite videos yet. You could help us improve this page by suggesting one.
CipherWrite's answer:
Why writers choose CipherWrite
Your writing stays truly private. Everything is encrypted on your own device with AES-256 and Argon2id before it ever leaves. The keys live with you, not on our servers, so even we cannot read a word of it.
AI that helps without eating your book. Tools like Sudowrite and Grammarly only work by shipping your whole manuscript to the cloud. CipherWrite's AI only ever sees the snippet you hand it, so you get brainstorming, humanizing, and editing help while your full draft never leaves your control.
Writing Guides that teach the craft. Deep, research-backed guides on story structure, the psychology of unforgettable characters, world-building, narrative pacing, and subtext. Most apps hand you a blank page and walk away. We hand you a blank page and a writing education to go with it.
A Critical Thinking Gym for your brain. You write your own argument first, the AI challenges you with Socratic questions, then scores your reasoning and shows your blind spots. It sharpens your thinking instead of doing it for you.
Built for authors, not repurposed from a notes app. Real chapter structure, a proper book workflow, and Kindle-ready export, all built in from the start.
Works everywhere and free to start. Runs in any browser on any device, with a genuinely free tier. Privacy is not something we make you pay extra for.
In short: CipherWrite is the only writing app that combines real zero-knowledge encryption, AI that never sees your whole book, craft guides that teach you to write better, and a thinking gym that sharpens your mind, all in one free app that runs anywhere.
CipherWrite's answer:
In an age where every keystroke is tracked, scanned, and graded by opaque algorithms, writing in a conventional cloud editor means your private drafts and journals are being mined for data. CipherWrite was built to be different a writing sanctuary where you can finally be alone with your own mind.
Your words are encrypted on your device with AES-256 before they ever touch the cloud, secured by Argon2id. The keys never exist on our servers, so even if CipherWrite were compromised, your data stays unreadable. It's true zero-knowledge privacy: not even our team can see what you write.
Beyond the blank page, CipherWrite helps you grow as a writer. Its Adaptive Creative AI respects your boundaries brainstorm ideas, humanize drafts, and check readability without your work being used for AI training. Deep, research-backed Writing Guides teach the craft itself, from story structure and character psychology to world-building and narrative pacing. And the Critical Thinking Gym turns reasoning into a daily workout: you think first, AI challenges you with Socratic questions, then scores you on the nine PaulโElder intellectual standards so the AI stays a mirror, never a crutch.
CipherWrite's answer:
I was going through a difficult time. Every morning I would wake up feeling overwhelmed, carrying around thoughts and emotions that I didn't know how to process. Most of my friends were busy, and honestly, I didn't really have anyone I felt comfortable talking to about some personal things.
One day, I picked up an old diary and started writing everything down. It helped, but I constantly worried that someone might read it because many of my thoughts were deeply personal.
As a developer, I thought, "Why not build a secure digital space for myself?"
That idea eventually became CipherWrite.
My first goal was simple: privacy. I wanted a place where I could write freely without worrying about someone reading my thoughts. So I designed the platform around that idea and built a writing space where privacy came first.
As I continued writing every day, I noticed something surprisingโI felt lighter. Writing had genuinely helped me process my thoughts and emotions. What started as a tool for myself slowly became something much bigger.
I've always wanted to build a SaaS product, and I've also dreamed of writing books one day. As I spent more time using the app, I realized it could become a safe space not only for private journaling but also for writers and authors who needed a distraction-free place to think, create, and write without fear of losing ownership of their work.
The first version was incredibly simple. It wasn't polished, and it had only the features I personally needed. But because I used it every single day, I kept discovering small things that could make the experience better. Every improvement came from solving a problem I had while writing.
Over time, CipherWrite evolved into much more than a private journal. I added tools for brainstorming, organizing ideas, critical thinking, creativity, and long-form writing. Some features were inspired by my own workflow, while others came from listening to people who enjoyed using the platform.
Building it has been one of the most rewarding experiences of my life. It started from a difficult chapter when I simply needed a place to empty my mind. Today, it has become the writing space I wish had existed when I first needed itโa place where people can think freely, write honestly, and create without worrying about privacy.
I still use CipherWrite every day. It's still the first place I go whenever I need to organize my thoughts, write down ideas, or simply clear my mind. In many ways, I'm still building the product for the same person who first opened that old diaryโthe only difference is that now I'm hoping it can help others the same way it helped me.
CipherWrite's answer:
CipherWrite is for privacy-conscious writers. Mainly authors and novelists drafting unpublished books, plus private journalers and journalists, who want AI writing tools without ever letting anyone, including the app itself, read their work.
I've thoroughly examined Copy.ai and included it in OpenPedia. I think this tool is fantastic and very helpful. Copy.ai is my favorite AI Writing assistant. I like it.
Based on our record, Copy.ai seems to be more popular. It has been mentiond 105 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Copy.ai is more than a tool; it's a wizard for email marketing. Say goodbye to writer's block; this AI crafts compelling email copy with a few simple inputs. Watch your email campaigns transform effortlessly. - Source: dev.to / over 2 years ago
I'm a software engineer and I am working on a simple tool that helps people send personalized marketing emails. The personalization part is super basic. You tell the tool what you want to sell (a product, a position you are hiring for, etc), and give your recipient's linkedin url. The tool will scan linkedin and write an email that caters to your audience's profile. You can also give it multiple linkedins to batch... Source: about 3 years ago
For example, some headings were obvious, such as โWhat Does No-Code Mean?โ, and then unique headings such as โImagine having the power of codeโฆ without the headaches.โ copy.ai and Jasper.ai are about the same price, and while I prefer the content output of copy.ai, I just canโt justify spending $50/month on it. - Source: dev.to / about 3 years ago
You might be asking why you should use something fairly new like Quick Creator as opposed to more established products like Jasper or Copy.AI, right? That is because although we are still fairly new compared to them, our software engineers and founder are experienced in the realm of digital technology and marketing with over decades worth of experience, your store or company is in good hands. Not to mention, we... Source: about 3 years ago
We use our own R2D2 app. I know there are a lot out there like copy.ai and ChatGPT Writer. Which AI apps/Chrome Extensions/Software do you use that actually are improving your work and productivity? Source: about 3 years ago
Jasper.ai - The Future of Writing Meet Jasper, your AI sidekick who creates amazing content fast!
Standard Notes - A safe place for your notes, thoughts, and life's work
Writesonic - If youโve ever been stuck for words or experienced writerโs block when it comes to coming up with copy, you know how frustrating it is.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
ChatGPT - ChatGPT is a powerful, open-source language model.
Obsidian.net - Obsidian is an Action-Adventure, First-person Exploration, Puzzle and Single-player video game created and published by Rocket Science.