Content optimizers
As of October 30, 2026, WriterZen's cheapest paid plan is Keyword Research at $135 one-time, per its own pricing page. WriterZen is built around optimizing content, while Paperboy writes the article, fact checks it against its sources and publishes it.
| Row | Paperboy | WriterZen |
|---|---|---|
| Cheapest paid plan | $49 a month | $135 one-time |
| Fact checks claims against sources | Yes | Not listed |
| Learns from Search Console | Yes | Not listed |
| Publishes to your site for you | Partly | Not listed |
| MCP, API or CLI for agents | Yes | Not listed |
Side by side
Every cell links the page it came from, with the day we read it.
| Feature | Paperboy | WriterZen |
|---|---|---|
| What it is for | Researches, writes, fact checks and publishes SEO articles to your own site, then learns from Search Console. SourceRead Oct 29, 2026 | Keyword research, clustering and content outlines with an AI writing assistant and plagiarism check SourceRead Oct 30, 2026 |
| Cheapest paid plan | Starter is $49 a month per site for 3 articles a week. Growth is $99 and Pro is $179. Yearly billing is two months free. SourceRead Oct 29, 2026 | Cheapest paid plan is Keyword Research at $135 one-time, with no recurring fee (the page says 'Pay Once. Use Forever'). It has no article writing. The cheapest plan with the Content Creator and AI writing is All-In-One Basic at $270 one-time (50 articles per month). Extra seats cost $9/seat/month. There is no monthly or annual subscription shown. SourceRead Oct 30, 2026 |
| Free plan or trial | Yes The first article is free, no card. Any plan then starts with a 14-day trial (card required). SourceRead Oct 29, 2026 | Yes 15-day free trial with no credit card required, per the homepage. A 21-day money-back guarantee applies to purchases. No permanent free plan is listed. SourceRead Oct 30, 2026 |
| Publishes to your site for you | Partly Posts directly to WordPress and Ghost. Other sites use a hosted blog, a signed webhook or a prompt that builds a blog in your code. No Shopify, Webflow, Wix or Squarespace connector. SourceRead Oct 29, 2026 | Not listed Not stated on https://writerzen.net/ or the pricing page. No WordPress, CMS publishing or webhook integration is listed. The homepage describes an editor and outline builder, and the plagiarism checker is described as a check 'prior to publishing'. SourceRead Oct 30, 2026 |
| Fact checks claims against sources | Yes Every number and cited sentence is compared with the saved text of its source. An article that fails gets one rewrite, then is held for you. SourceRead Oct 29, 2026 | Not listed No fact checking is stated. A built-in plagiarism checker (unlimited words check on All-In-One plans) checks originality, which is not a claim-to-source check. The AI Assistant is described as OpenAI's GPT 4o mini powered. SourceRead Oct 30, 2026 |
| Learns from Search Console | Yes Optional read-only Search Console connection. It picks topics from your impressions and reports clicks per article. SourceRead Oct 29, 2026 | Not listed Not stated on https://writerzen.net/ or the pricing page. No Google Search Console integration is listed. SourceRead Oct 30, 2026 |
| Open source or self-host | Yes The engine is open source under AGPL-3.0. Self-host it with Docker and your own keys. SourceRead Oct 29, 2026 | Not listed Not stated on https://writerzen.net/. It is sold as a hosted product with a one-time purchase. SourceRead Oct 30, 2026 |
| MCP, API or CLI for agents | Yes A remote MCP server with eight tools and a REST API with an OpenAPI file. The CLI is built in the open but not on npm yet. Agents pay with credits, $20 for 100. SourceRead Oct 29, 2026 | Not listed Not stated on https://writerzen.net/ or the pricing page. No API, MCP server or CLI is listed. SourceRead Oct 30, 2026 |
“Not listed” means we found no statement either way on the pages linked in that cell. It does not mean the answer is no. Vendors change their pages, so confirm before you buy.
The honest verdict
Sometimes the other tool is the better fit. Here is how to tell.
Pick WriterZen if
What WriterZen does well, from its own pages
Pick Paperboy if
Judge it before you pay anyone
Your first article is free with its full fact check, so you can judge it before you pay anyone.
Write my first article freeWhat you get
The four that decide it for most people, each with the source for the other side.
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026). Paperboy compares every number and cited sentence with the saved text of the page it links to. An article that fails gets one rewrite and is then held for you instead of published.
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026). Paperboy reads Search Console, read-only, to choose the next topic and to report clicks and impressions per article.
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026). The Paperboy engine is open source under AGPL-3.0 and runs with Docker and your own keys.
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026). Paperboy ships a remote MCP server with eight tools and a REST API with an OpenAPI file (the CLI is not on npm yet), so Claude Code, Cursor or n8n can run it.
Try it
You do not have to switch. Run Paperboy on one site, read the fact check, and compare it with what you get from WriterZen.
Keep WriterZen running. Nothing to cancel to try Paperboy.
Paste your site address. The first article is free, no card.
Read the fact check. Every number and cited sentence is compared with the saved text of its source.
Pick a plan only if you want more. Cancel with one button on the Billing page.
https://paperboyseo.com/start?url=yoursite.comThe engine is open source under AGPL-3.0. Self-hosting for your own sites is free; you pay your own model bill. Self-host docs.
About WriterZen
WriterZen is an SEO content workflow platform that covers topic discovery, keyword research and clustering, outline building from top search results, an AI writing assistant and a plagiarism checker. (its own description, read Oct 30, 2026)
Pricing is one-time with a per-month article cap (50 or 100), so compare total cost over your expected usage period. Extra keyword and NLP credits are sold separately. The homepage and pricing page were checked; no help centre or docs page was fetched, so features not listed there may exist but are not confirmed.
| Plan | Price | What the page says it includes |
|---|---|---|
| Keyword Research | $135 one-time | 50,000 keyword credits, 10,000 keywords clustering, 50 keyword lists, 50 keywords lookup, Keyword Golden Filter, revenue forecast, team collaboration |
| All-In-One Basic | $270 one-time | Everything in Keyword Research plus Content Creator with 50 articles per month, unlimited AI writing, plagiarism checker with unlimited words check, unlimited topic lookup |
| All-In-One Advanced | $405 one-time | 100,000 keyword credits, 20,000 keywords clustering, 100 keyword lists, 100 articles per month, unlimited AI writing, unlimited words check, unlimited keywords lookup, unlimited topic lookup, 2 extra member seats |
| Member Seats (add-on) | $9/seat/month | Extra team members with collaborative cross-checking and team performance tracking |
| Keyword Credits (add-on) | $19 to $99 one-time | 10,000 to 100,000 extra keyword credits, used for Golden Score keyword filtering and keyword clustering |
| Google NLP Credits (add-on) | $19 to $149 one-time | 60 to 600 credits, used for Google NLP analysis |
From WriterZen's pricing page, read October 30, 2026. Paperboy's own prices are on our pricing page.
FAQ
As of Oct 30, 2026, WriterZen lists Keyword Research $135 one-time; All-In-One Basic $270 one-time; All-In-One Advanced $405 one-time. writerzen.net is the source, so confirm there before you buy.
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026).
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026).
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026).
The WriterZen pages we read do not say (writerzen.net, read Oct 30, 2026).
Sources
Every cell above links the page we read, and every date is the day we read it. Facts about WriterZen come from WriterZen's own pages only. Facts about Paperboy come from pages on this site. If something is wrong or out of date, write to hello@paperboyseo.com and we will fix it and change the date.
Keep going
Paste your address. In under ten minutes you read a finished, fact-checked article written for your site. Free, no card.
Prefer to run it yourself? Self-host it (repo coming soon). Using an agent? Add the MCP server.