How do their growth rates compare?

DualTran has a month-over-month growth rate of —; Trancy has -57.6%.

How does pricing compare?

DualTran: Freemium, Paid. Free and open source. There is no subscription fee charged by the developer; instead you supply your own API keys from supported LLM providers (or use Google Translate), so any usage costs come from your provider account. No fixed prices are published by the extension. Trancy: Freemium, Free Trial. Trancy uses a freemium model with a free tier that covers core subtitle and translation features with limited premium usage, plus free trials and paid subscription plans that unlock higher limits and advanced AI features. Details are listed on the pricing page.

What are alternatives to DualTran and Trancy?

Other tools in related categories include Sider, Immersive Translate, Language Reactor, Merlin AI, Dia Browser.

DualTran vs Trancy — Traffic (0 vs 438.75K), Pricing & Verdict

Open AI Tools

DualTran vs Trancy — Traffic (0 vs 438.75K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	DualTran	Trancy
Official Domain	chromewebstore.google.com	trancy.org
Pricing Model	Freemium, Paid	Freemium, Free Trial
Monthly Visits	0 (0)	438.75K (438,752)
MoM Traffic Delta	0 (—)	-596.84K (-57.6%)
Primary Market & Share	🌐 Global (—)	🇨🇳 China (24%)
Direct Visits / mo	0	333.69K
User Rating	4.4	4.5
Supported Platforms	Browser Extension	Website

DualTran

Read any web page in your language — with the original kept in view

Bilingual in-place translation

Translated text is rendered behind the original wording on the same page, letting you read both languages simultaneously instead of losing the source.

Bring your own model provider

Connect API keys from 20+ LLM providers or use Google Translate, and switch between engines whenever you want different accuracy or tone.

Privacy-forward architecture

Translation requests go directly from your browser to the provider you choose — the extension uses no intermediary servers and retains no data itself.

Customizable translated text styling

Adjust the appearance, placement, and styling of translated text so it fits your reading preferences and page layouts.

Strengths & Pros

+Keeps the original text visible behind the translation for true side-by-side reading
+No subscription — you use your own API keys or Google Translate
+Open-source code and a stated no-intermediary, no-retention design
+Switchable engines and extensive styling customization