
SRT Translator
StreamTranslate.live
Subtitles Translator
SUFLI
Translate Video
Universal Word
Translate video subtitles in real-time across YouTube, Skool, Udemy, and 10+ more platforms. 109 languages

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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| Website | skooltranslate.com | diffyn.com |
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| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Skool Subtitle Translator is a Chrome extension that translates video subtitles in real time across 13+ platforms including YouTube, Skool, Udemy, TED, and more. Using AI translation to support 109 languages, it helps language learners, students, and international viewers watch any video with...
No description of Diffyn yet.
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


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Overall verdict
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Walkthroughs and reviews on video.
Skooltranslate on TED
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SkoolTranslate and Diffyn.
SkoolTranslate's answer
109 languages - 10x more than competitors like YouTube Translate (10 languages). One-click install, works in real-time directly on the video player. No copy-pasting subtitles to external tools.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
SkoolTranslate's answer
Free tier (5K chars/month), affordable pricing from $2.99/month, 109 languages, and support for 13+ video platforms including YouTube, Udemy, TED, and Skool. Competitors either limit languages or charge significantly more.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
SkoolTranslate's answer
Chrome Extension
Diffyn's answer:
React, Next.js, POSTGRESQL
SkoolTranslate's answer
Language learners, students taking international online courses, professionals consuming educational content in foreign languages, and anyone who watches video content across language barriers.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
SkoolTranslate's answer
Built to solve a real problem: millions of people watch educational content in languages they don't fully understand. Instead of manually translating subtitles, SkoolTranslate does it instantly in-browser. Named after Skool.com (one of the first supported platforms), now expanded to 13+ video sites.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
SkoolTranslate's answer
• Language learners on YouTube and Udemy • Skool.com community members • International students in online courses • TED Talks viewers across non-English speaking countries
Share your experience with using SkoolTranslate and Diffyn. For example, how are they different and which one is better?
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