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

Ahrefs
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Linkody
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Indexpro.app
LinkChecker.Pro
LinksCrawler
Pay-as-you-go SEO audit toolkit and backlink monitor. Stop paying $100/mo for bloated tools. Track indexation, OBL, and domain metrics without subscriptions.

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


No description of Diffyn yet.
SeLinkPro is an SEO audit and automated backlink monitoring platform for SEO specialists, agencies, and webmasters. It combines full site technical crawling with real time backlink surveillance in one dashboard. The core advantage is the transparent Pay As You Go billing model. There are no...
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
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As answered by people managing Diffyn and SeLinkPro.
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.
SeLinkPro's answer:
A strict pay-as-you-go (PAYG) model combined with specialized link-health metrics. Unlike general tools, it focuses on Outbound Link (OBL) tracking to detect link farms and PageRank leaks, ensuring every backlink you buy remains effective.
Diffyn's answer
Diffyn is the platform that specializes on both change management and multi-model analysis.
SeLinkPro's answer:
Cost efficiency and precision. Major competitors force you into $100+/mo subscriptions for features you might not use daily. SeLinkPro allows you to pay fractions of a cent per check. You get professional-grade monitoring without the recurring financial burden.
Diffyn's answer
React, Next.js, POSTGRESQL
SeLinkPro's answer:
The core is built on the MODX CMS with a custom PHP/MySQL backend. The data extraction and crawling engine are powered by high-performance Python scripts for real-time indexation and OBL verification.
Diffyn's answer
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
SeLinkPro's answer:
Solo SEO specialists, freelance link builders, and marketing agencies who need to manage backlink portfolios and verify donor quality without high overhead costs.
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.
SeLinkPro's answer:
As a solo founder, I was tired of overpaying for bloated SEO platforms just to run simple batch checks. I built SeLinkPro to provide a lean, transparent, and affordable toolset for specialists who value data over expensive interface fluff.
SeLinkPro's answer:
Independent Link Building Agencies
Niche Site Portfolio Owners
Freelance SEO Consultants
PBN Managers and Auditors
Share your experience with using Diffyn and SeLinkPro. For example, how are they different and which one is better?