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Create professional motion graphics in minutes. Free, lightweight, and built for creators. No After Effects required.

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 | flashfx.app | diffyn.com |
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| Company | Startup from Italy · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


FlashFX is a browser-based motion graphics and animation editor, essentially an accessible, web-native alternative to Adobe After Effects. You've been building it for roughly two years through four complete rebuilds, and it's now a two-product suite. The Two Products1. FlashFX Animator The...
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.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
PRODUCT REVIEW | BaBylissPro FlashFX Review
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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 FlashFX and Diffyn.
FlashFX's answer
FlashFX runs entirely in the browser with no installation, no plugins, and no OS dependency. It combines a professional-grade timeline, 3D rendering, expressions, and a marketplace in one tool, at a fraction of After Effects' cost. The custom .ffx format and neural-network-driven animation features push it beyond a simple web clone into genuinely new territory.
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.
FlashFX's answer
FlashFX removes every barrier that makes After Effects inaccessible: price, installation, hardware requirements, and a steep learning curve. It delivers comparable core features in a browser tab, with a cleaner interface, a built-in asset marketplace, and a pricing model that doesn't lock professionals and beginners into the same expensive subscription.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
FlashFX's answer
FlashFX is built in TypeScript and React for the editor layer, Three.js for 3D rendering, and a custom binary format (.ffx) for project files. Animation tooling draws influence from Theatre.js. Neural network research using Sprecher Networks powers audio-driven animation and motion curve learning features.
Diffyn's answer:
React, Next.js, POSTGRESQL
FlashFX's answer
The primary audience is motion designers, content creators, and UI/UX designers who need professional animation tools but are priced out of or intimidated by Adobe's ecosystem. This includes freelancers, indie studios, social media creators, and developers building animated assets for web and app interfaces.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
FlashFX's answer
FlashFX started as a personal project built out of frustration with the existing landscape of animation tools. After Effects is powerful but expensive, complex, and desktop-only. Browser-based alternatives were either too simple or poorly engineered. Over roughly two years and four complete rebuilds, FlashFX evolved from a rough prototype into a two-product suite with over 15,000 users, a 3,400-member Discord community, and a growing waitlist, all without any paid marketing. Each rebuild wasn't failure, it was refinement, progressively closing the gap between what the web could do and what professionals actually needed. The decision to go browser-native, use a custom binary format, and invest in 3D rendering were all unconventional bets that paid off through traction, not theory.
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.
FlashFX's answer
FlashFX is currently pre-revenue, so there are no paying customers yet. However, the platform has 1,200 active beta users and 2,000 waitlist sign-ups, all acquired organically, which signals strong demand ahead of any formal commercial launch.
Share your experience with using FlashFX and Diffyn. For example, how are they different and which one is better?
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