# Ghostwrite vs Undetectable AI

Ghostwrite records 4,366 monthly visits with -46.1% month-over-month growth and Freemium pricing. Undetectable AI records 3,113,403 monthly visits with +17.5% growth and Freemium pricing.

| Metric | [Ghostwrite](https://openaitools.app/tool/ghostwrite-rip) | [Undetectable AI](https://openaitools.app/tool/undetectable-ai) |
| :--- | :--- | :--- |
| Website URL | https://ghostwrite.rip | https://undetectable.ai |
| Categories | AI Email Assistant, AI Email Writer, AI Email Generator, AI Writing Assistants | AI Detector, AI Content Detector, AI Checker, Humanizer AI |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 4,366 | 3,113,403 |
| MoM Growth Rate | -46.1% | +17.5% |
| Primary Market | India | United States |
| Direct Visits | 1,749 | 2,336,720 |
| Review Score | 3.8 | 3.8 |
| Saved Count | 1 | 30 |
| Supported Platforms | Website | Website |

## Ghostwrite

Ghostwrite targets the part of email nobody enjoys: staring at an empty compose window while trying to phrase a request, an apology, or an awkward ask. Instead of building the message from scratch, you hand over just the essentials — something like "ask the landlord to send a plumber quickly" — and the assistant drafts full prose you can polish.

The product leans on a friendly in-app helper persona, Inky, who is described as learning your style over time so drafts sound more like you the more you use the tool. The workflow is deliberately a three-step loop: give the details, receive the draft, then approve before sending. Nothing is sent on your behalf without your consent, which keeps a human in the loop on tone and factual accuracy.

Ghostwrite is aimed at people who find professional correspondence draining — job seekers, freelancers, people who dislike networking, and anyone dealing with high-stakes or socially awkward messages. It runs in the browser as a web app, so there is nothing to install, and it offers a free entry point with paid tiers for heavier use.

Note: Ghostwrite is an independent product and is not affiliated with, endorsed by, or produced by OpenAI or any other model vendor whose technology it may use.

**Pricing & Plans:** Freemium. A free entry point is offered through the Get Started flow, with paid subscription tiers for more usage. Specific tier limits are not published on the homepage, so check the site for current numbers.

- **Brief-to-draft generation:** Enter only the core facts of what you want to communicate and receive a complete, coherent email draft in return.
- **Personalised tone over time:** The assistant is designed to learn your phrasing and preferences so later drafts read closer to your natural voice.
- **Approve-before-send workflow:** Drafts are never dispatched automatically — you review, edit and add personal touches, then send the message yourself.
- **Built for difficult messages:** Handles the awkward end of correspondence: big asks, negotiations, apologies, cold outreach and follow-ups.
- **Browser-based access:** Runs entirely in the web browser with no installation or desktop client required.

**Strengths:** Turns a one-line brief into a full draft, cutting the blank-page problem; Human approval step means you keep control of tone and accuracy; Drafts reportedly adapt to your style as you keep using it; Simple, low-friction web interface with nothing to install

**Limitations:** No public pricing table on the homepage, so costs must be checked in-app; Output still needs a read-through for specifics, dates and names; Only covers email writing — no inbox management, scheduling or CRM features

[Profile (Markdown)](https://openaitools.app/tool/ghostwrite-rip.md)

## Undetectable AI

Undetectable AI focuses on a single practical problem: content that sounds machine-made can be penalized, flagged or distrusted. The platform's detector highlights which sentences a scanner would most likely mark as AI-generated, showing percentages before the humanizer even runs. Once flagged, the humanizer rewrites those segments with varied sentence structure, richer vocabulary and adjusted tone, aiming to keep the original meaning intact while producing writing that reads naturally.

Beyond the core text tools, the product range has expanded into media forensics. There are detectors for AI-generated images, voice, video and deepfakes, plus specialty utilities such as a fake PDF detector, a receipt checker and other document-verification tools. A Chrome extension brings detection and rewriting into Gmail, Google Docs and any other page you are typing on, and an API is offered for teams that want the humanizer embedded in their own workflows.

The platform reports more than 24 million users and supports 50+ languages, though English yields the most accurate results. Business Solutions add stricter data-retention controls, white-labeling and non-expiring credit packs for higher-volume clients. A free tier is available with limited words, and the vendor advertises a money-back guarantee when humanized output is still flagged.

**Pricing & Plans:** Freemium. A free trial covers a limited number of words (currently 250). Paid monthly plans start around $9.99 for 10K words and scale to roughly $42.50 for 50K words, while annual billing discounts those rates by about half (roughly $5.00-$21.25 per month). Custom business tiers add non-expiring credits, redistribution rights and priority support.

- **AI Detector:** Scans up to 5,000 words at a time and highlights the specific sentences most likely to be flagged as machine-written, so you can see your text the way a detector sees it.
- **AI Humanizer:** Rewrites AI-flagged passages with different sentence rhythms, vocabulary and tone, keeping your meaning while making the prose read like human writing.
- **Media authenticity checks:** Detectors for AI images, voice recordings, video and deepfakes, plus specialty document tools for checking whether a PDF or screenshot has been manipulated.
- **Chrome extension:** Detect and humanize directly inside Gmail, Google Docs or any web page without switching tabs.
- **API and business options:** An API lets teams plug humanizing into existing pipelines, while business plans offer white-labeling, higher volumes and non-expiring credits.

**Strengths:** Detector and humanizer live in one workflow, so you can flag and fix text without switching apps; Wide language coverage (50+ languages) with strong English accuracy; Extra media tools (image, audio, video, deepfake, fake PDF) beyond plain text; Chrome extension makes it usable inside the tools people already write in

**Limitations:** Detector results are probabilistic and can disagree with other detectors or with human reviewers; Free tier caps out at roughly 250 words, so any real workload needs a subscription; Word limits still apply even on paid tiers, so heavy publishing volumes require enterprise pricing; Humanized output sometimes needs a light manual edit to preserve nuance and technical accuracy

[Profile (Markdown)](https://openaitools.app/tool/undetectable-ai.md)

## Frequently Asked Questions

### How do Ghostwrite and Undetectable AI compare in monthly traffic?

Ghostwrite has 4,366 monthly visits, while Undetectable AI has 3,113,403. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Ghostwrite has a month-over-month growth rate of -46.1%; Undetectable AI has +17.5%.

### How does pricing compare?

Ghostwrite: Freemium. Freemium. A free entry point is offered through the Get Started flow, with paid subscription tiers for more usage. Specific tier limits are not published on the homepage, so check the site for current numbers. Undetectable AI: Freemium. Freemium. A free trial covers a limited number of words (currently 250). Paid monthly plans start around $9.99 for 10K words and scale to roughly $42.50 for 50K words, while annual billing discounts those rates by about half (roughly $5.00-$21.25 per month). Custom business tiers add non-expiring credits, redistribution rights and priority support.

## 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 | AI content detection and a full writing toolkit in one place | [.md](https://openaitools.app/tool/zerogpt.md) |
| 2 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | AI detection and writing verification built for schools and editors | [.md](https://openaitools.app/tool/gptzero-me.md) |
| 3 | [HumanizeAI.pro](https://openaitools.app/tool/humanizeai-pro) | 9,652,312 | +26% | Free | Features a streamlined browser-based humanizer for quick rewrites, but lacks deeper multi-model detection scoring dashboards. | [.md](https://openaitools.app/tool/humanizeai-pro.md) |
| 4 | [Superhuman](https://openaitools.app/tool/superhuman) | 6,514,241 | +7.9% | Paid | The AI productivity suite with agents, email, and docs that work wherever you do | [.md](https://openaitools.app/tool/superhuman.md) |
| 5 | [StealthWriter](https://openaitools.app/tool/stealthwriter) | 2,887,114 | +15.5% | Freemium | Offers multiple AI humanizing engines and side-by-side editing, but can occasionally produce repetitive phrasing in longer essays. | [.md](https://openaitools.app/tool/stealthwriter.md) |
| 6 | [Walter Writes AI](https://openaitools.app/tool/walter-ai) | 1,474,367 | +24.4% | Freemium | Provides dedicated humanization and detection checking in a single workflow, but has a smaller user community and fewer presets. | [.md](https://openaitools.app/tool/walter-ai.md) |
| 7 | [Getsolved.ai](https://openaitools.app/tool/getsolved-ai) | 1,250,296 | +96.6% | Freemium | Functions as a broad academic writing workspace with humanizing features, but is less fine-tuned specifically for bypassing detectors. | [.md](https://openaitools.app/tool/getsolved-ai.md) |
| 8 | [Phrasly](https://openaitools.app/tool/phrasly-ai) | 1,209,985 | +17.9% | Freemium, Subscription | Provides an intuitive humanizer and writing assistant suite, but has fewer advanced customization parameters for strict detector bypass. | [.md](https://openaitools.app/tool/phrasly-ai.md) |
| 9 | [Missive](https://openaitools.app/tool/missive) | 631,353 | +0.2% | Free Trial, Paid | Collaborative inbox and email management for teams | [.md](https://openaitools.app/tool/missive.md) |
| 10 | [WriteHuman](https://openaitools.app/tool/writehuman) | 619,492 | +15.6% | Freemium, Paid | Delivers simple browser-based AI text humanization, but lacks the advanced batch processing and API access of Undetectable. | [.md](https://openaitools.app/tool/writehuman.md) |

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Source: https://openaitools.app/compare/ghostwrite-rip-vs-undetectable-ai

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