Benchmark // 3
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Channels
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Emteq OCOsense
0
NextMind Dev Kit
Best in group
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Varjo XR-4
Resolution bits
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Emteq OCOsense
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NextMind Dev Kit
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Varjo XR-4
Price (USD)
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Emteq OCOsense
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NextMind Dev Kit
0$
Varjo XR-4
Lowest price
Emteq OCOsense
Emteq Labs
shipping
- Sensors
- face-EMGPPGIMU
- XR platforms
- standaloneMeta Quest
- Sampling rate
- —
- Wireless
- BLE
- SDK
- Emteq SDK (expression, valence/arousal, activity)
- Raw data access
- sensor + affect metrics via SDK
- Subscription required
- Yesanalytics platform is subscription-based
- Best for
- real-time facial expression + emotion in VR, wellbeing research
- Limitations
- no EEG; measures expression not brain activity; enterprise-only
xr_bci
NextMind Dev Kit
NextMind (Snap)
discontinued
- Sensors
- EEG
- XR platforms
- Meta QuestVive
- Sampling rate
- —
- Wireless
- BLE
- SDK
- NextMind SDK (Unity) — no longer supported
- Raw data access
- no raw research access
- Subscription required
- No
- Best for
- historical reference for consumer visual-cortex BCI
- Limitations
- discontinued; proprietary stimulus paradigm; no raw access
Varjo XR-4
Varjo
shipping
- Sensors
- eye-trackingpupillometryIMU
- XR platforms
- standaloneVarjo
- Sampling rate
- 200 (eye tracking) Hz
- Wireless
- tethered (DisplayPort/USB-C)
- SDK
- Varjo SDK; OpenXR; eye-tracking API
- Raw data access
- eye/gaze data via SDK
- Subscription required
- Yessome enterprise features need a Varjo subscription
- Best for
- high-fidelity MR, the hardware base Galea builds on, gaze research
- Limitations
- no neural sensing itself; tethered; enterprise pricing