
Headspace
Medito
Insight Timer
Brain.fm
Endel.io
Pacifica
BetterHelp
Calm.com can help you reduce stress and increase calm.

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, Calm seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | calm.com | diffyn.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States | — |
| Listed in |
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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Calm App Review 2020: A Psychologist's Honest Opinion
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 Calm 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 Calm and Diffyn. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


What's keeping you up at night? Anxious thoughts? Lack of focus? A stressed-out psyche? Calm’s guided meditations will have you sleeping soundly and feeling more relaxed almost instantly. When we tried Calm, we were...
With over 4.5 million subscribers, Calm is a meditation and mindfulness app that specializes in sleep meditations and sleep stories for adults and children. Some of these stories are narrated by popular celebrities,...
Ten Percent Happier is not a cheaper alternative to Headspace or Calm, exactly—the annual membership is $99—but it’s certainly better than both of those options when it comes to targeted meditation training. The app...
We have no reviews of Diffyn yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Meditation. try the calm app or calm.com for sleep stories or sleep body scans. Source: over 3 years ago
If I purchase the Calm membership through the app store, will the rebate still post? I saw in the details it specified "calm.com." Does anyone know for sure? Source: almost 4 years ago
I found Waking Up to require more effort than calm.com (or headspace). The latter apps tend to focus on simple things: e.g. Focus on your breathing whereas Waking Up is actually much more about challenging your beliefs of what it even... Source: about 4 years ago
Tracking Diffyn since Jun 2025.
When comparing Calm and Diffyn, you can also consider the following products.

Meditation made simple. Brilliant things happen in calm minds.
Compare Headspace to Calm or Diffyn:

100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
Compare Medito to Calm or Diffyn:

Support your meditation practice through a massive community powered app.
Compare Insight Timer to Calm or Diffyn:

Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.
Compare Brain.fm to Calm or Diffyn:

