
Itsycal
MeetingBar
In Your Face
Meeter
Fantastical 2
Superpowered
Cron
Better menu bar clock with calendar and time zones

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

Which is more popular?
Based on our record, Dato seems to be more popular. It has been mentioned 24 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sindresorhus.com | diffyn.com |
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What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Dato is recommended for macOS users who want more flexibility and information from their menu bar clock, especially those who frequently need to manage schedules, track different time zones, or simply prefer having a quick-access calendar and customizable interface.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
EVERYTHING YOU REALLY NEED TO KNOW ABOUT THE TAG HEUER CARRERA ‘DATO’ LIMITED EDITION FOR HODINKEE
More videos
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 Dato and Diffyn.
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.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
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.
Share your experience with using Dato and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If anyone is searching for a way to do this in macOS, the dato[1] app implements this rather nicely [1]: https://sindresorhus.com/dato. - Source: Hacker News / over 1 year ago
I think Dato can do this: https://sindresorhus.com/dato. - Source: Hacker News / over 2 years ago
For managing meetings, Dato is a better date app for macOS. It's great for having multiple time zones in the address bar. I have my local time as well as UTC. I also use it for upcoming meetings and events. Previously I was using Meeter... - Source: dev.to / over 2 years ago
Tracking Diffyn since Jun 2025.
When comparing Dato and Diffyn, you can also consider the following products.

Itsycal for Mac. Itsycal is a tiny menu bar calendar. If you want, it will display your events as a companion to the Mac Calendar app. You can also create and delete (but not edit) events. Download Itsycal for macOS 10.
Compare Itsycal to Dato or Diffyn:

MeetingBar is a menu bar app for your calendar meetings.
Compare MeetingBar to Dato or Diffyn:

An app for Apple macOS that helps you being on time for meetings. It interrupts your workflow by blocking your screen when it is time to go to the meeting.
Compare In Your Face to Dato or Diffyn:


Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Compare Fantastical 2 to Dato or Diffyn:
