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Multi-Mode tDCS Device with tACS, tPCS, tRNS & tVNS
⚠️ Model Differences
- ES: tDCS, tACS, tPCS
- Pro: tDCS, tACS, tPCS, tVNS
- Pro X: tDCS, tACS, tPCS, tVNS, tRNS + all accessories included
⬇️ See full comparison below
Series Overview
The Biothm DCTune series is a pocket-sized, multi-mode tDCS system designed for wellness, brain fitness exploration, and personal use by neuroscience enthusiasts, biohackers, and hobbyists exploring transcranial electrical stimulation.
The series integrates five precision microcurrent waveforms into a single compact device:
tDCS – Transcranial Direct Current Stimulation
tACS – Transcranial Alternating Current Stimulation
tPCS – Transcranial Pulsed Current Stimulation
tRNS – Transcranial Random Noise Stimulation (Pro X only)
tVNS – Non-invasive ear-based vagal stimulation (Pro & Pro X)
DCTune comes in three models — ES, Pro, and Pro X — covering entry-level exploration through flagship configurations. All models support up to 4.5mA output, USB-C charging, 10-hour continuous operation, a built-in electrode–skin contact detection system, and seamless connectivity to the TuneFlo companion App.
Engineered for home wellness and personal research, DCTune delivers maximum microcurrent flexibility in an ultra-portable form factor.
App Compatibility Notice
Important Disclaimer
Choose Your DCTune Model: ES, Pro or Pro X

Swipe horizontally to view the full table on smaller screens.
| Feature | DCTune ES | DCTune Pro | DCTune Pro X |
|---|---|---|---|
| Modes | tDCS, tACS, tPCS | tDCS, tACS, tPCS, tVNS | tDCS, tACS, tPCS, tVNS, tRNS |
| tDCS Accessories | 65mm Sponge Pads 19-Position Cap Elastic Headband |
65mm Sponge Pads 19-Position Cap Elastic Headband |
65mm Sponge Pads 50mm Sponge Pads 19-Position Cap 64-Position Cap Elastic Headband |
| tVNS Accessories | Ear Clip Electrode | Ear Clip Electrode In-Ear Electrode |
|
| TuneFlo App | ✓ Supported(iOS) | ✓ Supported(iOS) | ✓ Supported(iOS) |
Full Specifications

Swipe horizontally to view the full table on smaller screens.
| Feature | Specification |
|---|---|
| Size & Weight | Main unit: 88x55x15mm, 140g |
| Display | 2 inches color TFT |
| Battery Charge Time | 2.5 hours, USB Type-C |
| Battery Working Time | 10 hours of continuous output |
| Session Duration | 5–60 minutes |
| tDCS Current | 0.1–4.5mA |
| tDCS waveform modes | DC, pulse |
| tACS Peak Current / Frequency | 0.1–4.5mA / 0.1–100Hz (Sine) |
| tPCS Peak Current / Frequency / Duty | 0.1–4.5mA / 0.1–100Hz / 1%–50% |
| tRNS (Pro X only) | LF 1–100Hz / HF 100–600Hz / Pro 1Hz–1kHz |
| tVNS (Pro & Pro X) | 1–1000Hz / 50–500μs / Biphasic, Alternant / Continuous, Intermittent |
| Companion App | ✓ TuneFlo – currently iOS only. Android support is planned. |
| Standalone Use | ✓ Yes – fully functional without the app |
TuneFlo App: Personalized Settings & Session History
Currently available on iOS only. Android support is planned for a future release. Use TuneFlo to customize your DCTune settings, organize individual profiles, and review each individual's session history.
Full Parameter Control
Adjust all stimulation parameters supported by your DCTune model directly in the TuneFlo app. Available modes and settings depend on your model: ES, Pro, or Pro X.
Save Customized Settings
Save your preferred parameter settings and recall them for future sessions, without having to configure every parameter again.
100+ Individual Profiles
Manage more than 100 individual profiles. Keep personalized settings organized for each individual and select the appropriate profile for each session.
Session History for Each Individual
Record and review each individual's session history in TuneFlo. Keep previous sessions organized alongside personalized settings for easier reference.
Firmware Updates
Update your DCTune device firmware through the TuneFlo app when compatible updates are available.
App Control or Standalone Use
TuneFlo adds convenient profile and session management. DCTune also remains fully functional without the app, with all supported stimulation modes and parameters accessible through the device's physical controls.






