Benchmark // 3
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Neurosity Crown
Best in group
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Varjo XR-4
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Emteq OCOsense
Resolution bits
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Neurosity Crown
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Varjo XR-4
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Emteq OCOsense
Price (USD)
0$
Neurosity Crown
Lowest price
0$
Varjo XR-4
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Emteq OCOsense
Neurosity Crown
Neurosity
shipping
- Sensors
- EEG
- XR platforms
- —
- Sampling rate
- 256 Hz
- Wireless
- Wi-Fi ac + BLE 4.2
- SDK
- JS/TS + Python SDK; OSC/LSL/BrainFlow/MCP
- Raw data access
- raw filtered + rawUnfiltered
- Subscription required
- NoFirst membership year included; then $29.99/mo optional
- Best for
- rapid dry-electrode BCI development, focus/neurofeedback apps
- Limitations
- 8 fixed positions; ~250 g; ADC bit depth undisclosed
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
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