Grammarly vs WriterZen
Grammarly
grammarly.comWriterZen
writerzen.netSide by side
| Figure | Grammarly | WriterZen |
|---|---|---|
| Price from | $12/mo | $9/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 4 | 8 |
| Spec score · AI Writing Tools | 9.2 (#11) | 7.8 (#169) |
| Founded | 2009 | 2021 |
| Free plan | Yes | No |
Plans
Grammarly
- FreeFree
- Pro$12 a month
- EnterprisePriced on request
- PlusPrice not published
WriterZen
- Keyword Research$135 a month
- All-In-One Basic$270 a month
- All-In-One Advanced$405 a month
- Additional member seat$9 a month
- Keyword Research$135, paid once
- All-In-One Basic$270, paid once
- All-In-One Advanced$405, paid once
- EnterprisePriced on request
In their own words
Grammarly
Grammarly is a writing assistant from Grammarly, founded in 2009 and now part of Superhuman. Its listed tools include proofreading, paragraph rewrites, tone suggestions, a humanizer, and AI detector agents. Style suggestions and tone detection are listed, alongside brand voice controls and team collaboration. The Free plan is free and includes 100 AI prompts per month; Pro is $12 a month with 2,000 AI prompts per member per month. Plus is listed at ₹392 INR per member per month when billed annually, and ₹1,000 when billed monthly, and is available only via local payment methods. Grammarly lists 24 supported languages, browser compatibility with Chrome, Safari, Firefox, and Edge, and mobile apps for iPhone, iPad, and Android. Desktop apps and a browser extension are also listed. Grammarly says user content is not sold, monetized for advertising, or used to train third-party models. Its SOC 2 Type 2 report covers security, privacy, availability, and confidentiality controls.
WriterZen
WriterZen is a web-based content platform for keyword research, topic planning, and collaborative content production. Keyword Explorer uses Google’s search database to research terms, cluster them, and build keyword lists. Topic Discovery generates grouped topic ideas from a keyword, while Content Creator provides a central workflow for creating and managing content pieces. Team Function supports collaborative editing from research through optimized drafts. The platform lists search intent, topic coverage, entity, and readability analysis, along with content briefs. Its AI Assistant is described as powered by OpenAI’s GPT 4o mini. A plagiarism checker scans drafts against billions of pages in Google’s database. WriterZen was built for SEO experts and digital marketers. It runs on the web, offers a free trial, and has no free plan. Listed plans include Keyword Research at $135 a month (billed One time), All-In-One Basic at $270 a month (billed One time), and All-In-One Advanced at $405 a month (billed One time). Google NLP analysis requires separately purchased credits. The lifetime deal includes a 21-day money-back guarantee.