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

Claude Code
aider
Cursor
Ghostty
opencode
GitHub Copilot
Zed
Frontier reasoning in the terminal

Which is more popular?
Based on our record, OpenAI Codex CLI should be more popular than Calm. It has been mentioned 41 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | calm.com | github.com |
| Company | Startup from the United States | — |
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What each product offers, as listed by its team.


Possible disadvantages
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
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OpenAI Codex CLI
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Calm and OpenAI Codex CLI. 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 OpenAI Codex CLI 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: about 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
Codex takes the opposite bet: one product across six surfaces. CLI, IDE extension, Codex Cloud, the ChatGPT app sidebar, mobile (GA May 2026), and a Chrome extension. All of them share your ChatGPT account, your session history, and your... - Source: dev.to / 9 days ago
The second CLI (Codex) records tokens and quota in session files, but the laptop sleeps and moves, so Prometheus can't reliably scrape it. That's exactly the Pushgateway case: a systemd user timer parses the session files every 5 minutes... - Source: dev.to / about 1 month ago
Since when? https://learn.chatgpt.com/docs/codex/cli https://github.com/openai/codex Looks like it's still a more-or-less-open-source product called Codex CLI. FWIW, there have been issues with various versions of ChatGPT not knowing... - Source: Hacker News / about 2 months ago
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100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
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Support your meditation practice through a massive community powered app.
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