Flowtime
Sub-$200 EEG+PPG headband that exposes raw brainwave band data without requiring a subscription
NOT CLEARED
No FDA clearance, registration, or CE marking found.
Key facts at a glance.
- Founded
- 2018
- Headquarters
- Shenzhen, China (Entertech)
- App ratings
- iOS 4 · Android 3.7
What the device does.
- + EEG + PPG sensors in 29g headband
- + Alpha/Beta/Gamma/Theta wave breakdowns
- + Heart rate, HRV, breath rate tracking
- + Real-time stress and 'flow' index
- + Guided meditation library
- + Historical session tracking
The trade-offs.
- + **Sub-$200 EEG + PPG headband** exposing raw brainwave band data
- + **No subscription** — one-time hardware purchase
- + Combines EEG + PPG heart rate in single device
- + 2018-founded Shenzhen-based Entertech
- − Limited consumer-application ecosystem vs Muse 2
- − Smaller brand awareness in US market
- − China-based manufacturing with limited US support
- − General-wellness regulatory positioning
- − DIY raw-data approach requires technical literacy
Meditators wanting granular brainwave data on a budget
The long read.
§ Hands-on instrument testing pending. Based on published specifications and third-party data.
Overview
Flowtime is the sub-$200 EEG+PPG headband with raw brainwave data access — manufactured by Entertech (founded 2018 in Shenzhen China), with structural value claim built on exposing raw brainwave band data without requiring subscription. Combines EEG + PPG heart rate in single device at consumer-accessible pricing.
The structural editorial caveats: limited consumer-application ecosystem vs Muse 2’s polished meditation library, smaller US brand awareness, China-based manufacturing with limited US support, and DIY raw-data approach requires technical literacy.
When Flowtime Makes Sense
Strong fit: Sub-$200 EEG + PPG combination preference; raw-data access priority; subscription-averse buyers; multi-modal (EEG + heart rate) single-device users.
Weaker fit: Consumer meditation polish (Muse 2); largest brand awareness; US support priority; productivity AI integration (Neurosity Crown).
3-Year Cost of Ownership
Sub-$200 entry pricing positions Flowtime competitively vs Muse 2 ($95) at higher feature density (EEG + PPG combined). Compare: Muse 2 ($95 EEG-only), Mendi ($299 fNIRS), Emotiv Insight ($99 5-channel research).
Verdict: Conditional
Flowtime earns a conditional verdict on sub-$200 EEG + PPG combination positioning, raw-brainwave-data access without subscription, and 2018-founded Entertech manufacturing — balanced against limited consumer-application ecosystem, smaller US brand awareness, China-based with limited US support, general-wellness regulatory positioning, and DIY technical literacy requirement.
For users wanting EEG + PPG combination at sub-$200 with raw-data access, structurally distinctive. For consumer polish, US support, or productivity-AI use cases, alternatives are better matched.
Changelog
- 2026-05-07: Initial review published based on published specifications.
What we'll measure on the bench.
- Protocol
- Built-in app diagnostics + Polar H10 cross-check
- Primary metric
- Alpha-band signal noise floor (µVrms)
- Pass threshold
- within ±20% of vendor spec
- Session shape
- 3 baseline + 3 active sessions
§ Bench session pending. Measured values will replace this panel as the protocol completes — see Plate VI · Methodology for the full testing rulebook.