Price (USD)
G Pen Roam edgeG Pen Roam
$100
Sticky Brick Junior
$150
G Pen Roam is typically around $50 lower.
Vaporizer Comparison
G Pen Roam vs Sticky Brick Junior
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
Sticky Brick Junior
Sticky Brick Labs $150
Editorial Summary
G Pen Roam and Sticky Brick Junior are both portable vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $50 below Sticky Brick Junior. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
23
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
Sticky Brick Junior edgeG Pen Roam
~317g
Sticky Brick Junior
190g
Sticky Brick Junior is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Sticky Brick Junior
Convection
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$100
Sticky Brick Junior
$150
Heating Type
G Pen Roam
Conduction
Sticky Brick Junior
Convection
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Sticky Brick Junior
N/A
Battery Type
G Pen Roam
Internal
Sticky Brick Junior
None
Battery Capacity
G Pen Roam
1300mAh
Sticky Brick Junior
N/A
Battery Life
G Pen Roam
15-20 sessions
Sticky Brick Junior
N/A
Charging
G Pen Roam
Micro-USB
Sticky Brick Junior
N/A
Charge Time
G Pen Roam
~2 hours
Sticky Brick Junior
N/A
Weight
G Pen Roam
~317g
Sticky Brick Junior
190g
Power Adjustment
G Pen Roam
Digital Control
Sticky Brick Junior
Manual
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $150).
- You prefer a conduction heating profile.
- Your usage leans toward electronic and concentrates sessions.
Lowest price
$49.95
at G Pen
Choose Sticky Brick Junior if...
- You want the lighter unit for carrying and travel.
- You prefer a convection heating profile.
- Your usage leans toward wood and analog sessions.
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.
Spec Comparison Table
Direct comparison of every spec from each device profile.
23 differ 1 shared
| Specification | G Pen Roam | Sticky Brick Junior |
|---|---|---|
| Price (USD) | $100 | $150 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | N/A |
| Chamber Capacity | — | ~0.2g |
| Battery Type | Internal | None |
| Battery Capacity | 1300mAh | N/A |
| Battery Life | 15-20 sessions | N/A |
| Charging | Micro-USB | N/A |
| Charge Time | ~2 hours | N/A |
| Dimensions | — | 114x76x25mm |
| Weight | ~317g | 190g |
| Power Adjustment | Digital Control | Manual |
| Chamber Material | Quartz | — |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Sticky Brick Labs |
| Adjustable Airflow | No | Yes |
| Country of Manufacture | — | United States (USA) |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | 2019 |
| Session Style | — | On-Demand |
| Warranty | 1 year | Lifetime |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Sticky Brick Junior?
The biggest practical difference is heating approach: G Pen Roam runs conduction while Sticky Brick Junior runs convection. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the G Pen Roam or the Sticky Brick Junior?
G Pen Roam is the cheaper option at $100 compared with $150 for the Sticky Brick Junior, about $50 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Roam and the Sticky Brick Junior?
G Pen Roam uses conduction heating, while the Sticky Brick Junior uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the G Pen Roam or the Sticky Brick Junior?
Sticky Brick Junior is the lighter unit at 190g, around 127g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Can I set custom temperatures on the G Pen Roam or the Sticky Brick Junior?
G Pen Roam controls heat with digital control, while the Sticky Brick Junior uses manual. G Pen Roam gives you finer per-degree control.
What battery life can I expect from the G Pen Roam and the Sticky Brick Junior?
G Pen Roam's spec sheet lists 15-20 sessions; the Sticky Brick Junior lists N/A. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.