Mendi vs Muse 2 (2026)

Mendi and Muse 2 are the two entry-tier brain-training headbands users compare across modalities. They are not the same kind of device: Mendi measures prefrontal blood oxygenation via fNIRS and feeds it into a single focus game; Muse 2 measures four-channel EEG and runs a mature meditation app on top of it. Different signals, different jobs.

Mendi or Muse 2: which is better?

Higher ONDA score: Muse 2 (7.8 vs 7.0)

Different modalities. Mendi for the simplest focus-training experience via fNIRS. Muse 2 for the mature consumer EEG meditation reference.

Head-to-head breakdown

Mendi vs Muse 2 — head-to-head comparison by criterion
Criterion	Winner	Why
Sensor modality	Muse 2	Muse 2: four-channel EEG (electrical brain activity). Mendi: fNIRS (prefrontal blood oxygenation). Different signals; EEG is informationally richer.
Sensor count	Muse 2	Muse 2: four EEG electrodes plus PPG and accelerometer. Mendi: one fNIRS sensor. Muse covers more cortical surface.
Use-case scope	Muse 2	Muse: meditation, focus, breath, sleep (Athena). Mendi: prefrontal focus training only — narrower scope by design.
Learning curve	Mendi	Mendi: a single game, no instruction. Muse 2: guided meditations require some practice. Mendi is easier to start.
Content library	Muse 2	Muse: mature library — calm, focus, breath, body-scan, mood. Mendi: a single game-based programme.
Comfort	Mendi	Mendi: simple forehead band, easy on/off. Muse 2: rigid headband. Mendi wins on daily-wear convenience.
Subscription model	Tie	Both: no mandatory subscription. Muse 2’s AI coach, cognitive tracking, external audio and curated programs need Muse Premium.
Price	Muse 2	Mendi: $379 list (often discounted). Muse 2: $249.99. Muse is cheaper.

Choose Mendi

Choose Mendi if you want the simplest possible neurofeedback experience — game-based prefrontal focus training, single sensor, no learning curve, no subscription.

Choose Muse 2

Choose Muse 2 if meditation is the deciding use case — four-channel EEG, mature content library, decade-old ecosystem, no mandatory subscription.

The short version

Mendi and Muse 2 are not really substitutes — they use different sensor modalities for different jobs. Pick on what you actually want from the device.

When is Mendi the right pick?

If you want the simplest possible neurofeedback experience — a single forehead band, one game, instant feedback on prefrontal activity — Mendi is the right shape. The fNIRS modality is novel in the consumer space; the easy-to-engage format is the value.

When is Muse 2 the right pick?

If meditation is the use case, Muse 2 is the right shape — four-channel EEG, decade-old ecosystem, mature meditation library. The content library alone is reason enough.

Common questions

Should I pick Mendi or Muse 2?

Different modalities for different jobs. Mendi if you want the simplest possible neurofeedback experience focused on prefrontal attention training via fNIRS. Muse 2 if meditation is the use case and you want the most mature consumer EEG platform.

Is fNIRS as good as EEG?

Neither — they are different signals. fNIRS measures blood-oxygenation changes (slower, single-region for Mendi). EEG measures electrical activity (fast, multi-region). Mendi’s single signal is enough to drive its focus game, though evidence that the game trains focus is mostly company-published; for meditation and broader brain-training EEG is informationally richer.

Can I meditate with Mendi?

Not really. Mendi’s app is a single focus game; it does not include meditation content. For meditation, Muse 2 or Muse S Athena is the right shape.

Which has more research behind it?

Muse 2 — the Muse hardware has a deeper consumer-EEG research base after a decade of releases. Mendi’s research is mostly company-published; the fNIRS prefrontal-feedback approach is plausibly valid but the device-specific evidence is thinner.