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EU Digital Product Passports, automated. Upload your docs, AI fills the ESPR-mandated fields, and TracePass publishes a hosted passport with a GS1 QR code. Batteries, textiles, electronics & more.

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 | tracepass.eu | diffyn.com |
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| Company | Startup from Bulgaria · 1 - 9 employees · 2026 | — |
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In their own words, as submitted to SaaSHub.


TracePass — EU Digital Product Passport compliance, automated. The EU's Ecodesign for Sustainable Products Regulation (ESPR) and the Battery Regulation are making Digital Product Passports (DPPs) mandatory across the European market — starting with batteries on 18 February 2027, followed by...
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
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As answered by people managing TracePass.eu and Diffyn.
TracePass.eu's answer
Most DPP tools help you build a passport. TracePass tackles the part that actually slows manufacturers down: getting verified upstream data into the dozens of fields a regulation demands.
Upload your existing documents — spec sheets, supplier declarations, certificates, BOMs — and an AI agent pipeline extracts and fills the mandatory fields with confidence scores, so your team reviews instead of retypes. The result is a compliant, hosted passport with a GS1 QR code in minutes rather than months, across 12+ product groups from batteries to textiles to electronics.
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.
TracePass.eu's answer
Three reasons:
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
TracePass.eu's answer
Next.js and React with TypeScript, backed by MongoDB. The data-extraction pipeline uses Anthropic's Claude models in a multi-agent setup, with OCR and document parsing for PDFs, spreadsheets and Office files.
Passports are published on GS1 Digital Link with EPCIS 2.0 supply-chain events, and the platform exposes a REST API, a Model Context Protocol (MCP) server, and an n8n integration. Built and hosted in the EU.
Diffyn's answer:
React, Next.js, POSTGRESQL
TracePass.eu's answer
EU manufacturers and importers who must comply with the Ecodesign for Sustainable Products Regulation (ESPR) and the EU Battery Regulation — and non-EU manufacturers selling into the EU, who are equally in scope.
It's built for the product, quality and regulatory teams inside those companies who need to produce Digital Product Passports without hiring consultants or building infrastructure in-house. Battery, electronics and textile producers feel the deadline first.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
TracePass.eu's answer
The EU's Digital Product Passport rules create a hard, legislated deadline — batteries on 18 February 2027, textiles and electronics close behind — yet most manufacturers face it with fragmented supplier data sitting in PDFs and spreadsheets.
TracePass was built on a simple observation: the QR code is the easy part; the real bottleneck is the verified data behind it. So we built a platform that uses AI to turn the documents companies already have into compliant, hosted passports — making EU compliance something a manufacturer can do itself, in minutes.
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.
TracePass.eu's answer
Share your experience with using TracePass.eu and Diffyn. For example, how are they different and which one is better?
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