Headspace just added "Ebb" AI in December 2025. Here's how it compares to Stella's voice-first approach.
Voice or text with your emotional wellness AI. Talk through what's happening; Stella keeps what you've told her in mind and replies to you, not a playlist.
Meditation library with 500+ guided sessions. New "Ebb" text-based AI companion added December 2025.
Headspace built their reputation on meditation content: a vast library of guided sessions, courses, and exercises. In December 2025, they added "Ebb," a text-based AI companion as a new feature.
Stella was built from day one as an AI you talk to about what happened. You say it out loud or type it, and she keeps what you've told her in mind.
Headspace's Ebb validates the idea of an AI you talk to, but it's text-based and brand new. Stella is voice-first and built for exactly this conversation.
Even the part you're still figuring out. Download the app or send her a text. The app is free to download; a subscription is required to keep using it.
→ Stella
Core feature. Speak out loud; Stella listens and replies. Or text her. Built for this from day one.
→ Headspace
Ebb is text-based. You type. New feature (Dec 2025), still finding its footing.
→ Stella
Talk it out right now. Stella replies to tonight and keeps what you've told her in mind.
→ Headspace
Choose a sleep meditation or SOS session. Same content as last time.
→ Stella
A conversation, not a course.
→ Headspace
500+ meditations, multi-week courses, progress tracking. This is their strength.
→ Stella
She keeps what you've told her in mind, so you can start with what happened today.
→ Headspace
Limited personalization. Content is the same for everyone. Ebb's memory is still new/basic.
→ Stella
Active conversation: you speak, Stella responds. Not passive listening.
→ Headspace
Hundreds of guided meditations with professional narrators. Press play and listen.
Headspace adding Ebb AI in December 2025 validates the idea of an AI you talk to about how you feel. They saw what works and built their own version.
But here's the difference: Ebb is text-based and brand new, a feature added to a meditation app. Stella is voice-first and built for exactly this conversation, from the ground up.
Headspace excels at meditation content and building daily habits. If that's what you need, they're excellent at it. Their AI companion is an experimental add-on.
Stella is designed for people who need to talk it through, out loud, in the moment, with an AI that keeps what you've told her in mind. That's not an add-on for us. It's the whole point.
Both apps now offer an AI you can talk to. Here's how they differ:
Stella:
Voice-first. You talk, Stella listens and responds with voice. Or text her.
Ebb:
Text-based. You type messages back and forth.
Stella:
Keeps what you've told her in mind. No profile to fill in.
Ebb:
Limited personalization. New feature (launched Dec 2025), still developing memory capabilities.
Stella:
Core product. Every feature built around the conversation.
Ebb:
New add-on feature to meditation app. Still finding its place in the product.
Other tools people weigh against Stella when they are deciding the same thing.
Two situations people bring to Stella, written up in full.