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

Buffer
Hootsuite
Later
Publer
SocialBee
Ocoya
Predis.ai
Automate social content from idea to published post.

Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | diffyn.com | postfox.app |
| Pricing | ||
| Platforms | ||
| Company | — | Startup from Spain · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Diffyn yet.
PostFox is a true automation platform for social content. Instead of just generating captions or asking you to manually copy-paste posts into a scheduler, PostFox helps you build a repeatable content engine: set your brand, topics, platforms, content rules, and schedule once, then let the system...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
No PostFox.app videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Diffyn and PostFox.app.
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.
PostFox.app's answer:
PostFox is focused on true automation, not just AI writing. Many tools generate captions or let you schedule posts, but PostFox is built as a content engine: define your brand, topics, platforms, and schedule, then generate and publish social content automatically from one workflow.
Diffyn's answer
Diffyn is the platform that specializes on both change management and multi-model analysis.
PostFox.app's answer:
PostFox is for people who want fewer manual steps. Instead of jumping between an AI chat, a notes app, a design tool, and a scheduler, PostFox combines content generation, planning, review, scheduling, and publishing in one automation system.
Diffyn's answer
React, Next.js, POSTGRESQL
PostFox.app's answer:
PostFox is built as a web app and native Apple apps for Mac, iPhone, and iPad, with AI generation, scheduling, publishing workflows, and connected social platform integrations.
Diffyn's answer
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
PostFox.app's answer:
PostFox is for founders, creators, indie hackers, small businesses, agencies, marketers, and product teams who need consistent social content but do not want to manually write, organize, and publish every post.
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.
PostFox.app's answer:
PostFox started from the problem that staying visible online is repetitive work. Most people do not fail at social content because they lack ideas; they fail because the process is too manual. PostFox was built to turn social posting into a repeatable automated workflow.
PostFox.app's answer:
Share your experience with using Diffyn and PostFox.app. For example, how are they different and which one is better?