Cropy.it VS Diffyn

Cropy.it's answer

Cropy.it combines four tools most apps split up — screen capture, a full annotation editor, OCR, and a searchable clipboard history — into one fast, native menu-bar app for both macOS and Windows. And it does it 100% locally: no account, no cloud, no tracking. Your screenshots never leave your device. It's a one-time purchase, not another subscription.

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.

Cropy.it's answer

Most alternatives do only one thing (just screenshots, or just clipboard), lock features behind a subscription, or quietly upload your captures to their cloud. Cropy.it gives you the whole flow — crop, annotate, blur, OCR, pin and clipboard history — in one app, works on Mac and Windows, keeps everything on your machine, and you pay once instead of monthly. Fast, private, and complete.

Diffyn's answer:

Diffyn is the platform that specializes on both change management and multi-model analysis.

Cropy.it's answer

The macOS app is native Swift / SwiftUI, using ScreenCaptureKit for capture and Apple's Vision framework for OCR, with Sparkle for updates. The Windows version is built with Electron. Licensing runs on a small self-hosted Node.js service. No third-party analytics or tracking SDKs.

Diffyn's answer:

React, Next.js, POSTGRESQL

Cropy.it's answer

People who take a lot of screenshots and share them: developers, designers, support and QA teams, product managers, writers and students — on both macOS and Windows, and especially anyone who cares about privacy and doesn't want their screen content passing through someone else's cloud.

It's also a great fit for anyone working with AI tools: capture exactly what's on screen and hand a clear visual to ChatGPT, Claude or similar to explain a problem or ask for help. And with scrolling capture you can grab longer sections — or tricky, transient things like open dropdown menus and full pages — which many screenshot tools handle only partially or not at all.

Diffyn's answer:

Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.

Cropy.it's answer

The maker took screenshots all day and got tired of the options: tools that cost a monthly subscription, uploaded everything to a cloud, or did way too much. So they built the one they actually wanted — a fast, local screenshot + clipboard app that nails the essentials (crop, annotate, blur, OCR, history) and keeps your data with you. One-time purchase, no cloud, no account.

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.

Cropy.it's answer

You!

We're brand new, so we don't have big-name logos to show off yet — and honestly, we love that. Every single person who tries Cropy.it matters to us, and we're genuinely excited about each new user who gives it a shot.