Price (USD)
Close callG Pen Roam
$100
Kandypens Oculus
$100
Pricing is very close between both devices.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
Kandypens Oculus
Kandypens $100
G Pen Roam and Kandypens Oculus are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($100 vs $100). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
18
Shared Specs
5
Overall Overlap
22%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$100
Kandypens Oculus
$100
Pricing is very close between both devices.
G Pen Roam
Conduction
Kandypens Oculus
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Battery Capacity
G Pen Roam
1300mAh
Kandypens Oculus
500mAh
Charging
G Pen Roam
Micro-USB
Kandypens Oculus
USB-C
Power Adjustment
G Pen Roam
Digital Control
Kandypens Oculus
3 Preset Voltage Settings
Brand
G Pen Roam
Grenco Science
Kandypens Oculus
Kandypens
Warranty
G Pen Roam
1 year
Kandypens Oculus
Lifetime (battery)
Lowest price
$49.95
at G Pen
Prices are read automatically from retailer pages and were last checked Aug 27, 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 | Kandypens Oculus |
|---|---|---|
| Price (USD) | $100 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | — |
| Chamber Capacity | — | N/A |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 500mAh |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | — |
| Weight | ~317g | — |
| Power Adjustment | Digital Control | 3 Preset Voltage Settings |
| Chamber Material | Quartz | — |
| Concentrate Support | Yes | Yes |
| Brand | Grenco Science | Kandypens |
| Adjustable Airflow | No | — |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | — |
| Tip Material | — | Quartz Mesh |
| Warranty | 1 year | Lifetime (battery) |
| Water Filtration | — | Yes |
There's no single headline gap. The differences are spread across 18 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Listed prices are close: $100 for the G Pen Roam versus $100 for the Kandypens Oculus. Day-to-day price will likely come down to whichever retailer is running a promotion.
G Pen Roam controls heat with digital control, while the Kandypens Oculus uses 3 preset voltage settings. G Pen Roam gives you finer per-degree control.
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Kandypens Oculus 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.
Across the 23 specs we line up, they share 5 and differ on 18, an overlap of about 22%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.