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The AI-native project management app that handles your PRINCE2 admin — and leaves you in control of the governance

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 | guddle.net | diffyn.com |
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| Company | Startup from Uk · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Guddle is an AI-native Project Operating System for small and mid-sized teams who need real project governance without the weight — or the price — of enterprise PPM software. Most project tools are generic task boards: you get lists and cards, but you rebuild the governance scaffolding by hand on...
No description of Diffyn yet.
What each product offers, as listed by its team.


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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 Guddle.net and Diffyn.
Guddle.net's answer
Guddle draws a line no other project tool draws: AI does the admin, humans keep the governance. The AI keeps your registers current, drafts your reports, and reviews your projects overnight to surface what you've missed — but it only ever proposes. Nothing commits without a person's approval, and every change (human or AI) is attributed and audit-trailed. On top of that, the PRINCE2 method is built into the product — stages, tolerances, risk/issue/quality registers, exception reporting — not bolted on as labels. And it's priced by project, not per person, so you're never taxed for involving your own team.
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.
Guddle.net's answer
It depends what you're comparing it to: vs generic boards (monday.com, ClickUp, Asana): those give you lists and cards; you rebuild the governance by hand every time. Guddle has the method — registers, stage gates, exception reporting — from the first minute. vs enterprise PPM (MS Project, Primavera): no per-seat pricing, no multi-week setup, no consultant. Describe your project in plain English and Guddle builds it. vs AI agent tools: those act unsupervised and forget you between sessions. Guddle's AI is proposal-only, permission-scoped, and on the record. Plus: free read-only viewers for clients and boards, client-branded PDF reports, and bring-your-own-AI.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Guddle.net's answer
React Native & Expo — one codebase across web and mobile Supabase (PostgreSQL, authentication, row-level security, storage) Stripe for billing Anthropic's Claude, connected via MCP, for the AI/intelligence layer (bring-your-own-key supported) Vercel (hosting) and Sentry (monitoring)
Diffyn's answer:
React, Next.js, POSTGRESQL
Guddle.net's answer
Small and mid-sized teams (roughly 10–200 people), UK and Europe first, who need real project governance without enterprise weight or price. That's project managers, PMOs, and fractional-PM / PMO consultancies who deliver governance for SME clients — plus any small team running structured or PRINCE2-style projects that has outgrown spreadsheets and generic task boards but can't justify heavyweight PPM software. Typically non-technical buyers who value method, audit trails and honest pricing.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Guddle.net's answer
"Guddle" is a Scots word — to catch fish with your bare hands, and, fittingly, a lovely muddle. Projects tend to arrive as a guddle: plans in a spreadsheet, decisions in chat, risks in someone's head. Founder Craig McQueen built Guddle over the course of a year as an AI-native product from the ground up, to give small teams the structure of enterprise project governance without the bureaucracy or the price tag. The conviction behind it: the PRINCE2 method shouldn't evaporate the moment a project starts, and AI should do the administration a team hates — while people keep the judgement. Hence the line the whole product is built on: AI does the admin, you keep the governance.
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.
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