Price (USD)
JCVAP EVOK edgeG Pen Roam
$100
JCVAP EVOK
$65
JCVAP EVOK is typically around $35 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
JCVAP EVOK
JCVAP from $55.25
G Pen Roam and JCVAP EVOK are both portable / electronic vaporizers, but they target different priorities. JCVAP EVOK is usually the lower-cost pick at $65, around $35 below G Pen Roam. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
22
Different Specs
20
Shared Specs
2
Overall Overlap
9%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$100
JCVAP EVOK
$65
JCVAP EVOK is typically around $35 lower.
G Pen Roam
Conduction
JCVAP EVOK
Quartz 3D heater
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$100
JCVAP EVOK
$65
Heating Type
G Pen Roam
Conduction
JCVAP EVOK
Quartz 3D heater
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
JCVAP EVOK
170-235°C (338-455°F)
Battery Type
G Pen Roam
Internal
JCVAP EVOK
Built-in
Charging
G Pen Roam
Micro-USB
JCVAP EVOK
USB-C
Power Adjustment
G Pen Roam
Digital Control
JCVAP EVOK
Five presets
Brand
G Pen Roam
Grenco Science
JCVAP EVOK
JCVAP
Display Type
G Pen Roam
LED
JCVAP EVOK
Full colour LED button
Release Date
G Pen Roam
2020
JCVAP EVOK
2024
Warranty
G Pen Roam
1 year
JCVAP EVOK
Free replacement for faults within 30 days, 3-day returns
Lowest price
$49.95
at G Pen
Current price
$55.25
at JCVAP
No discount code
Prices are read automatically from retailer pages and were last checked Oct 2, 2026; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | JCVAP EVOK |
|---|---|---|
| Price (USD) | $100 | $65 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Quartz 3D heater |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 170-235°C (338-455°F) |
| Battery Type | Internal | Built-in |
| Battery Capacity | 1300mAh | 1300mAh |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | — |
| Weight | ~317g | — |
| Power Adjustment | Digital Control | Five presets |
| Chamber Material | Quartz | — |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | JCVAP |
| Adjustable Airflow | No | — |
| Display Type | LED | Full colour LED button |
| Haptic Feedback | Yes | — |
| Mouthpiece | — | Quartz straw, 2cm, adjustable and removable |
| Release Date | 2020 | 2024 |
| Temperature Presets | — | 170°C/338°F, 190°C/374°F, 200°C/392°F, 210°C/410°F, 235°C/455°F |
| Warranty | 1 year | Free replacement for faults within 30 days, 3-day returns |
The biggest practical difference is heating approach: G Pen Roam runs conduction while JCVAP EVOK runs quartz 3d heater. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
JCVAP EVOK is the cheaper option at $65 compared with $100 for the G Pen Roam, about $35 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam uses conduction heating, while the JCVAP EVOK uses quartz 3d heater. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
G Pen Roam controls heat with digital control, while the JCVAP EVOK uses five presets. G Pen Roam gives you finer per-degree control.
JCVAP EVOK is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Roam is more conspicuous in hand and harder to keep out of sight.
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the JCVAP EVOK at 170-235°C (338-455°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
JCVAP EVOK charges over USB-C; the G Pen Roam uses a Micro-USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.