Price (USD)
Boundless Terp Pen edgeBoundless Terp Pen
$25
G Pen Roam
$200
Boundless Terp Pen is typically around $175 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen
Boundless Technology $25
G Pen Roam
Grenco Science $200
Boundless Terp Pen and G Pen Roam are both concentrates / portable vaporizers, but they target different priorities. Boundless Terp Pen is usually the lower-cost pick at $25, around $175 below G Pen Roam. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
20
Shared Specs
4
Overall Overlap
17%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless Terp Pen
$25
G Pen Roam
$200
Boundless Terp Pen is typically around $175 lower.
Boundless Terp Pen
Ceramic & Stainless Steel Coil
G Pen Roam
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen
$25
G Pen Roam
$200
Heating Type
Boundless Terp Pen
Ceramic & Stainless Steel Coil
G Pen Roam
Conduction
Temperature Range
Boundless Terp Pen
N/A
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Capacity
Boundless Terp Pen
300mAh
G Pen Roam
1300mAh
Dimensions
Boundless Terp Pen
13x134x13mm
G Pen Roam
178x127x102mm
Power Adjustment
Boundless Terp Pen
Draw-Activated
G Pen Roam
Digital Control
Chamber Material
Boundless Terp Pen
Ceramic
G Pen Roam
Quartz
Brand
Boundless Terp Pen
Boundless Technology
G Pen Roam
Grenco Science
Warranty
Boundless Terp Pen
3 years
G Pen Roam
1 year
Direct comparison of every spec from each device profile.
| Specification | Boundless Terp Pen | G Pen Roam |
|---|---|---|
| Price (USD) | $25 | $200 |
| Device Type | Portable | Portable |
| Heating Type | Ceramic & Stainless Steel Coil | Conduction |
| Heat Up Time | — | ~5 seconds |
| Temperature Range | N/A | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | N/A | — |
| Battery Type | Internal | Internal |
| Battery Capacity | 300mAh | 1300mAh |
| Battery Life | — | 15-20 sessions |
| Charging | Micro USB | Micro-USB |
| Charge Time | — | ~2 hours |
| Dimensions | 13x134x13mm | 178x127x102mm |
| Weight | — | ~317g |
| Power Adjustment | Draw-Activated | Digital Control |
| Chamber Material | Ceramic | Quartz |
| Concentrate Support | Yes | Yes |
| Brand | Boundless Technology | Grenco Science |
| Adjustable Airflow | — | No |
| Country of Manufacture | China | — |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Release Date | — | 2020 |
| Session Style | On-Demand | — |
| Warranty | 3 years | 1 year |
The biggest practical difference is price tier: the Boundless Terp Pen sits at $25 while the G Pen Roam is $200, a gap of about $175 that puts them in different buying brackets.
Boundless Terp Pen is the cheaper option at $25 compared with $200 for the G Pen Roam, about $175 less. Live retailer pricing can shift, so confirm before buying.
Boundless Terp Pen uses ceramic & stainless steel coil heating, while the G Pen Roam uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Boundless Terp Pen controls heat with draw-activated, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.
Boundless Terp Pen 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.
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Across the 24 specs we line up, they share 4 and differ on 20, an overlap of about 17%. 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.