Notivo is a private, per-person notebook for managers. Capture feedback, commitments, and 1:1 context as it happens — from web, iOS, WhatsApp, email, ChatGPT, or Claude — then get it back later, organized by person.
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Which is more popular?
Based on our record, Substack
seems to be a lot more popular than Writebook.
While we know about 111 links to Substack,
we've tracked only 2 mentions of Writebook.
social mentions
2 vs 111
Writing Tools popularity
100% vs 0%
alternatives listed
64 vs 240+
Base details
Website, pricing, platforms and company facts side by side.
User-Friendly Interface Writebook features an intuitive and easy-to-navigate interface, making it accessible for users with varying levels of technical expertise.
Collaboration Features Allows multiple users to work on a document simultaneously, enhancing productivity and facilitating team projects.
Cloud Integration Seamlessly integrates with cloud services, enabling users to access and edit their documents from any device with internet access.
Customization Options Offers a range of customization tools for personalizing the writing environment and formatting documents to meet specific needs.
Offline Access Provides an offline mode, allowing users to continue working without an Internet connection and sync changes later.
Possible disadvantages
Subscription Cost The platform requires a paid subscription, which may be a barrier for individuals or organizations on a tight budget.
Learning Curve Despite its user-friendly design, some users may experience a learning curve when exploring advanced features or integrations.
Limited Free Tier The free version has restricted functionality, potentially requiring users to purchase the premium version to access essential features.
Dependence on Internet Connectivity Although offline access is provided, many features are dependent on internet connectivity, which could limit usability in low-connectivity areas.
Platform Variability Certain features might perform differently or be unavailable across various devices or operating systems.
Ease of Use Substack offers a user-friendly interface that makes it easy for writers to publish and monetize their newsletters.
Built-in Monetization Writers can easily charge readers for subscriptions, allowing for straightforward monetization.
Direct Audience Connection Substack allows writers to build a direct relationship with their audience via email, which can lead to a more engaged readership.
Discovery and Community Features like staff picks and recommendations help writers get discovered by new readers.
No Upfront Costs Substack does not charge upfront fees; instead, it takes a percentage of subscription revenues, making it easier to start.
Content Ownership Writers retain full ownership of their content, giving them more control over their work.
Possible disadvantages
Revenue Share Substack takes a 10% cut of subscription revenues, which can add up for writers with a large subscriber base.
Limited Customization The platform has limited customization options compared to building a custom website or using more flexible CMS options.
Dependency on Platform Relying on Substack means depending on its policies and infrastructure, which could pose risks if the platform changes its terms or features.
Competition As more writers join Substack, it can become challenging to stand out amidst the growing competition.
Email Deliverability Writers may face issues with email deliverability, as some newsletters may end up in spam folders.
Payment Processing Fees Besides Substack's fee, payment processors like Stripe also take a percentage, further reducing net earnings for writers.
Analysis
An editorial look at what each product does well and who it suits.
WritebookSubstack
Overall verdict
Writebook by 37signals (via Once.com) is a solid, no-nonsense self-hosted publishing tool that lets you create and share books online with a one-time purchase and full ownership of your data. It's well-built, simple, and free, making it a genuinely good option for its intended purpose.
Why this product is good
It's completely free to use, with no subscriptions or recurring fees
Self-hosted, giving you full control and ownership of your content and data
Built by 37signals, a company with a strong reputation for quality, well-designed software
Clean, distraction-free interface focused purely on writing and publishing books
Easy to set up and share books online with a simple, readable layout
Supports text, images, and formatting without unnecessary complexity
Recommended for
Writers and authors who want to self-publish books online without platform lock-in
People who prefer owning their software and data rather than relying on subscriptions
Educators or professionals wanting to share manuals, guides, or documentation
Technically comfortable users who can handle self-hosting setup
Anyone seeking a simple, free alternative to complex publishing platforms
Overall verdict
Substack is a good choice for writers seeking autonomy and a straightforward way to monetize their content. However, it may not be the best fit for those who prefer working within the framework of a larger publication or those unfamiliar with the challenges of building and maintaining a subscriber base.
Why this product is good
Substack is a platform that allows writers, journalists, and content creators to publish and monetize their newsletters. It is praised for its ease of use, built-in subscription system, and direct-to-consumer model which enables writers to retain control over their audience and content. The platform has attracted both independent writers and established journalists seeking the freedom to monetize their work without traditional media constraints.
Recommended for
Independent writers and journalists
Content creators looking to monetize their work
Individuals seeking a direct relationship with their audience
Substack offers writers of all experience levels the ability to write an email newsletter that’s profitable through subscriptions. Substack provides purpose-built web and newsletter publishing tools to enable writers...
What sеts Substack apart is its sеamlеss intеgration of contеnt crеation and subscription-basеd monеtization. Substack’s usеr-friеndly intеrfacе, distribution tools, and support for various contеnt formats make it a...
Substack and Medium differ primarily in their monetization methods. Medium pays creators based on reader engagement, while Substack enables writers to monetize directly through paid subscriptions to their newsletters....
Recommendations tracked on public social media and blogs since March 2021.
Writebook2 mentionsSubstack111 mentions
Marksmith – a GitHub-style Markdown editor for Ruby on Rails
This looks great! I'd also love a non-Markdown view for less technical folks. Or can you write in the "preview mode"? I read that 37signals will also spin-off the markdown editor they built for Writebook (https://once.com/writebook), so...
- Source: Hacker News
/
over 1 year ago
Everything that I published this week about Ruby #3
I installed a Writebook and published these articles. While it needs a bit more polishing to suit my long-form blogging needs, it looks great right out of the box.
- Source: dev.to
/
almost 2 years ago
UK Defence Startups Are Being Denied Banking Services Under ESG Rules
Books have already been written on this, some as early as 1945 (That Hideous Strength, C.S. Lewis). Otherwise I can recommend basically everything by Curtis Yarvin and Kevin Dolan (https://substack.com/@exitgroup,...
- Source: Hacker News
/
11 days ago
Show HN: Sphinx – a hook that quizzes you on your AI agent's code before push
We built something quite similar 6 months ago called PEAK (Proof of Effort And Knowledge). Blog post and YT video here: https://substack.com/@jeffksmithjr/p-195763168 Our version has its own TUI and was intended for semi-adversarial...
- Source: Hacker News
/
13 days ago
Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Say what you want a book about. Answer a few questions. Get an outline you can edit and chapters written on your phone — then hold any passage while reading and say what is wrong with it. $5 once, your own API key, no subscription.
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