
AdmittMe
Higher Admission
myGuider
Strive for Colleges
Universis for Admissions
See exactly where you stand in college admissions. Your Competition Index. Your Essay Score. Your Strategy.

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 | trykeith.com | diffyn.com |
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| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
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In their own words, as submitted to SaaSHub.


After decades of advising students privately on the heels of working in elite admissions offices, running private school guidance offices and creating summer programs on college applications for gifted students, Keith Berman of Options for College took all of that knowledge and poured it into...
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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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 Keith and Diffyn.
Keith's answer
It is built on real admission knowledge, with JUDGMENT, not just aggregated data and grammatical process. It is calibrated with over two decades of real admissions cases from Keith Berman, a leading voice worldwide in how to apply to college, where students succeeded in the face of mounting odds in the admissions process.
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.
Keith's answer
Keith tells you where you stand and what to do about it. It does not just throw numbers and choices at you - it asks you what you want, and tells you what you need to do to get there. It is also transparent in that it is from a real educator with a real name.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Keith's answer
www.trykeith.com is a web app primarily and can be used on mobile as well.
Diffyn's answer:
React, Next.js, POSTGRESQL
Keith's answer
Ivy+ applicants and their families.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Keith's answer
After decades of advising students privately on the heels of working in elite admissions offices, running private school guidance offices and creating summer programs on college applications for gifted students, Keith Berman of Options for College took all of that knowledge and poured it into Keith, the AI app with real college judgment.
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.
Keith's answer
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