# GPTZero vs WriteApp.co

GPTZero records 23,246,989 monthly visits with +32.5% month-over-month growth and Freemium, Paid pricing. WriteApp.co records 0 monthly visits with -100% growth and Freemium, Paid, Free pricing.

| Metric | [GPTZero](https://openaitools.app/tool/gptzero-me) | [WriteApp.co](https://openaitools.app/tool/writeapp-co) |
| :--- | :--- | :--- |
| Website URL | https://gptzero.me | https://writeapp.co |
| Categories | AI Detector, AI Checker, AI Content Detector, AI Plagiarism Checker | AI Papers, AI Essay Writer, AI Writing, AI Writing Assistants |
| Pricing Model | Freemium, Paid | Freemium, Paid, Free |
| Monthly Visits | 23,246,989 | 0 |
| MoM Growth Rate | +32.5% | -100% |
| Primary Market | United States | Global |
| Direct Visits | 7,529,349 | 0 |
| Review Score | 4.1 | 3.7 |
| Saved Count | 41 | 1 |
| Supported Platforms | Website | Website |

## GPTZero

GPTZero grew out of the practical problem that teachers and editors faced once generative text became common: how do you tell whether a piece of writing came from a person or a model? The product answers that with a detector that returns an overall AI likelihood score and highlights individual sentences it considers machine-written, so a reader can see where the suspicion comes from rather than just receiving a single verdict.

Over time the platform widened from a single text box into a suite aimed at institutions. Detector results are paired with a plagiarism checker, grammar and writing feedback, and optional process verification such as a writing replay that records how a document was typed. A Chrome extension and Google Docs add-on push detection into the tools students and staff already use, and the company offers classroom integrations plus an API for bulk or programmatic checks.

Because the buyers are largely schools, districts, and universities, GPTZero leans heavily on privacy and compliance claims: it states SOC 2 Type II compliance and alignment with FERPA, GDPR, and CCPA, and says student writing is not used to train models. The practical takeaway is that it is positioned as an academic-integrity and editorial-review tool rather than a novelty checker, which also means its more powerful features sit in paid tiers.

**Pricing & Plans:** Freemium plus paid plans. A free tier provides core detection with character limits per scan, while paid individual and institutional plans unlock advanced scan modes, higher limits, writing reports, and classroom integrations. Enterprise and API access are quoted separately.

- **Sentence-level AI detection:** Paste text or upload a document and get an overall AI probability score plus a sentence-by-sentence breakdown of which parts look machine-written.
- **Multi-model coverage:** Flags AI text from major model families including ChatGPT, Gemini, Claude, Llama, and others, rather than training for a single model.
- **Browser and docs extensions:** A Chrome extension and Google Docs add-on bring scanning into Gmail, Docs, Classroom, and other surfaces you already work in.
- **Plagiarism checking:** Checks content for copied passages from outside sources so you can separate AI-generation questions from originality questions.
- **Writing process verification:** Writing replay and advanced reports offer evidence about how a document was produced, useful for academic integrity workflows.

**Strengths:** Sentence-level highlighting shows why a passage was flagged instead of only giving a score; Covers text from many different AI model families, not just one chatbot; Integrations with Chrome, Google Docs, Canvas, and Google Classroom fit existing school workflows; Publishes concrete compliance claims (SOC 2 Type II, FERPA, GDPR, CCPA) that institutions can review

**Limitations:** Detection is probabilistic and can flag polished human writing or miss lightly edited AI text; Free scans are capped by character count, and useful reporting features require payment; Lean heavily on a single score without human judgment can lead to unfair accusations

[Profile (Markdown)](https://openaitools.app/tool/gptzero-me.md)

## WriteApp.co

WriteApp.co positions itself as an essay and paper writing app rather than a generic chatbot. Instead of a single text box, the workflow walks through four stages: entering your brief, letting a writer research and construct the paper, reviewing and editing the result, and downloading it. The service advertises coverage across more than 75 academic subjects, so a request for a business case study and a request for a literature review follow the same pipeline.

The tool layers editing utilities on top of drafting. Grammar and awkward-phrasing detection runs automatically, tonal registers can be set to academic, formal, or casual, and document management lets you keep and revisit earlier versions. Because the same account works across phones, tablets, and desktops, drafts started on one device can be finished on another.

WriteApp.co is also explicit that a human element is part of the promise: the site describes a professional writer researching your topic and producing the paper, with support available at any hour. That places the service closer to a hybrid writing-assistance desk than to a purely automated generator. Students should still treat output as a starting point or study aid and follow their institution's rules on assisted writing.

**Pricing & Plans:** WriteApp.co advertises free access to its writing features through the app or website and mentions a downloadable mobile app; it does not publish detailed paid tiers on its homepage, so confirm current pricing in the app or on the site.

- **75+ Academic Subjects:** Generate essays, term papers, coursework, and book reports across more than 75 subject areas without switching tools.
- **Human-Assisted Drafting:** Requests are handled by dedicated professional writers who research the topic and build a structured, original paper around your instructions.
- **Built-in Grammar & Style Editor:** Automatic detection of grammar slips, awkward phrasing, and tonal inconsistencies so drafts read cleanly and meet academic standards.
- **Tone & Format Controls:** Set the tone, word count, and format up front so output matches an academic, formal, or casual register and your required length.
- **Cross-Device Access:** Start a draft on a phone, tablet, or desktop and continue on another device, with documents stored for later revision.

**Strengths:** Covers a wide range of academic formats, from essays to coursework and book reports; Built-in grammar, phrasing, and tone tools reduce manual cleanup before submission; Designed for both mobile apps and browsers with cross-device draft storage; Round-the-clock support is advertised for users working to tight deadlines

**Limitations:** Detailed pricing and plan limits are not published on the homepage; Output quality still requires your own review and fact-checking; Academic-integrity rules vary by school, so the tool is not a substitute for your own work

[Profile (Markdown)](https://openaitools.app/tool/writeapp-co.md)

## Frequently Asked Questions

### How do GPTZero and WriteApp.co compare in monthly traffic?

GPTZero has 23,246,989 monthly visits, while WriteApp.co has 0. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

GPTZero has a month-over-month growth rate of +32.5%; WriteApp.co has -100%.

### How does pricing compare?

GPTZero: Freemium, Paid. Freemium plus paid plans. A free tier provides core detection with character limits per scan, while paid individual and institutional plans unlock advanced scan modes, higher limits, writing reports, and classroom integrations. Enterprise and API access are quoted separately. WriteApp.co: Freemium, Paid, Free. WriteApp.co advertises free access to its writing features through the app or website and mentions a downloadable mobile app; it does not publish detailed paid tiers on its homepage, so confirm current pricing in the app or on the site.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | Offers broad multilingual AI detection and text humanization, but lacks GPTZero's detailed deep-scan reporting features. | [.md](https://openaitools.app/tool/zerogpt.md) |
| 2 | [Scribbr](https://openaitools.app/tool/scribbr) | 7,530,803 | +14.6% | Freemium | Combines AI detection with professional human proofreading and citation tools, but functions primarily as an editing service. | [.md](https://openaitools.app/tool/scribbr.md) |
| 3 | [Undetectable AI](https://openaitools.app/tool/undetectable-ai) | 3,113,403 | +17.5% | Freemium | Combines AI detection with robust text humanization tools, but focuses more heavily on rewriting than pure verification. | [.md](https://openaitools.app/tool/undetectable-ai.md) |
| 4 | [Copyleaks](https://openaitools.app/tool/copyleaks) | 2,402,494 | -14.1% | Paid, Contact for Pricing | Provides robust enterprise-grade content integrity and cross-media detection, but can be more expensive for individual users. | [.md](https://openaitools.app/tool/copyleaks.md) |
| 5 | [Originality.ai](https://openaitools.app/tool/originality) | 2,049,639 | +2.8% | Paid | Delivers strong fact-checking and comprehensive site-wide plagiarism audits, but has stricter paywalls than GPTZero. | [.md](https://openaitools.app/tool/originality.md) |
| 6 | [Jenni](https://openaitools.app/tool/jenni) | 1,498,133 | +5.2% | Freemium | The AI workspace where researchers read, write, and cite with every claim traceable to its source | [.md](https://openaitools.app/tool/jenni.md) |
| 7 | [Isgen AI Detector](https://openaitools.app/tool/isgen-ai) | 901,917 | +5.8% | Freemium | Provides detailed sentence-level analysis for multilingual text, but lacks GPTZero's broad academic brand recognition. | [.md](https://openaitools.app/tool/isgen-ai.md) |
| 8 | [Winston AI](https://openaitools.app/tool/winston-ai) | 604,454 | +5.4% | Freemium, Free Trial | Excels at scanning both text and images with high accuracy, but offers fewer free daily checks than GPTZero. | [.md](https://openaitools.app/tool/winston-ai.md) |
| 9 | [Detecting-AI.com](https://openaitools.app/tool/detecting-ai-com) | 505,146 | +493% | Freemium, Paid | AI detector that highlights evidence, not just a score | [.md](https://openaitools.app/tool/detecting-ai-com.md) |
| 10 | [PlagiarismCheck.org](https://openaitools.app/tool/plagiarismcheck-org) | 368,384 | +6.1% | Paid | Tailors detection specifically for academic institutions and LMS integrations, but is less optimized for casual web users. | [.md](https://openaitools.app/tool/plagiarismcheck-org.md) |

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Source: https://openaitools.app/compare/gptzero-me-vs-writeapp-co

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