Audience

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

About Sinceerly

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.

Pricing

Starting Price:
$4.99 per month
Free Version:
Free Version available.

Integrations

API:
Yes, Sinceerly offers API access

Ratings/Reviews

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Company Information

Sinceerly
United States
sinceerly.com

Videos and Screen Captures

Sinceerly Screenshot 1
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Product Details

Platforms Supported
Cloud
Training
Documentation
Videos
Support
Online

Sinceerly Frequently Asked Questions

Q: What kinds of users and organization types does Sinceerly work with?
Q: What languages does Sinceerly support in their product?
Q: What kind of support options does Sinceerly offer?
Q: What other applications or services does Sinceerly integrate with?
Q: Does Sinceerly have an API?
Q: What type of training does Sinceerly provide?
Q: How much does Sinceerly cost?

Sinceerly Product Features