HumanToneEfrox LLC
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Related Products
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HumanTone:
About
HumanTone is a browser-based AI text humanizer for SEO specialists, content teams, marketing agencies, freelance writers, and other publishing professionals. It rewrites AI-generated drafts by changing sentence structure, rhythm, and phrasing while letting users set custom instructions for tone, audience, and terms to retain. The service also includes an AI-likelihood detector, readability and text-comparison utilities, and a tool for finding hidden Unicode characters. Users can process text in more than 60 languages with automatic language detection. HumanTone offers a REST API and official SDKs, plus connections for AI assistants through Model Context Protocol (MCP) and workflow automation with n8n and Make. A free trial includes 1,000 words; paid plans add monthly credits and higher per-request word limits.
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Sinceerly:
About
Sinceerly is a lightweight AI-powered “humanizer” designed to reverse the polished, formulaic tone of AI-generated writing and make emails feel more natural, imperfect, and authentically human. Positioned as the opposite of traditional writing assistants, it integrates directly into Gmail as a Chrome extension, allowing users to draft emails normally and then transform them with a single click. It focuses on removing common AI writing signals, such as em dashes, repetitive phrases like “not just…,” and overly structured language, replacing them with simpler wording, abbreviations, and intentional imperfections. It introduces controlled variability through a single slider with three intensity levels, each progressively altering tone, structure, and formatting to mimic real-world communication styles. Users can preview all edits through highlighted changes and selectively apply them, maintaining control over the final message.
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HumanTone:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Sinceerly:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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HumanTone:
Audience
SEO specialists, content teams, marketing agencies and freelance writers
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Sinceerly:
Audience
Sales professionals and outbound communicators who want AI-written emails to sound more natural and human to improve response rates
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HumanTone:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Sinceerly:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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HumanTone:
API
Offers API
Supported
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Sinceerly:
API
Offers API
Supported
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HumanTone:
Screenshots and VideosNo images available
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Sinceerly:
Screenshots and Videos |
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HumanTone:
Pricing
$10/month
Monthly subscriptions start at $10/month for Basic (150 credits, about 15,000 words), followed by Standard at $20/month and Pro at $40/month. Extra-credit packs start at $5 one-time for 50 credits (about 5,000 words) and remain valid for one year; no subscription is required. Subscription credits renew each billing cycle, and unused credits expire at the end of the cycle. Yearly billing is available at 20% off.
Free Version
Not Supported
Free Trial
Supported
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Sinceerly:
Pricing
$4.99 per month
Free Version
Supported
Free Trial
Not Supported
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HumanTone:
Reviews/
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Sinceerly:
Reviews/
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HumanTone:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Sinceerly:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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HumanTone:
Company InformationEfrox LLC
Founded: 2025
United States
humantone.io
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Sinceerly:
Company InformationSinceerly
United States
sinceerly.com
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HumanTone:
AlternativesNo Alternatives
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Sinceerly:
Alternatives |
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HumanTone:
Categories |
Sinceerly:
Categories |
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HumanTone:
Integrations
Claude
Supported
ChatGPT
Supported
Claude Code
Supported
Claude Duet
Not Supported
Claude for Legal
Not Supported
Codex CLI
Supported
Cursor
Supported
Gemini CLI
Supported
Gmail
Not Supported
Google Chrome
Not Supported
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Sinceerly:
Integrations
Claude
Supported
ChatGPT
Not Supported
Claude Code
Not Supported
Claude Duet
Supported
Claude for Legal
Supported
Codex CLI
Not Supported
Cursor
Not Supported
Gemini CLI
Not Supported
Gmail
Supported
Google Chrome
Supported
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HumanTone:
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Sinceerly:
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