HumanTone

HumanTone

Efrox LLC
HumanTone Sinceerly

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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.
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.
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
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
HumanTone:

Audience

SEO specialists, content teams, marketing agencies and freelance writers
Sinceerly:

Audience

Sales professionals and outbound communicators who want AI-written emails to sound more natural and human to improve response rates
HumanTone:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Sinceerly:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
HumanTone:

API

Offers API Supported
Sinceerly:

API

Offers API Supported
HumanTone:

Screenshots and Videos

No images available
Sinceerly:

Screenshots and Videos

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
Sinceerly:

Pricing

$4.99 per month
Free Version Supported
Free Trial Not Supported
HumanTone:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Sinceerly:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
HumanTone:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Sinceerly:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
HumanTone:

Company Information

Efrox LLC
Founded: 2025
United States
humantone.io
Sinceerly:

Company Information

Sinceerly
United States
sinceerly.com
HumanTone:

Alternatives

No Alternatives
Sinceerly:

Alternatives

Sinceerly:
Sinceerly:
Sinceerly:
HumanTone:
Sinceerly:
HumanTone:

Categories

AI Humanizers Supported
Sinceerly:

Categories

AI Humanizers Supported
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
Make Supported
Model Context Protocol (MCP) Supported
Visual Studio Code Supported
n8n Supported
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
Make Not Supported
Model Context Protocol (MCP) Not Supported
Visual Studio Code Not Supported
n8n Not Supported
HumanTone:
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Claim HumanTone and update features and information
Sinceerly:
Claim Sinceerly and update features and information
Claim Sinceerly and update features and information