Price (USD)
G Pen Pro edgeG Pen Pro
$90
Sticky Brick Junior
$150
G Pen Pro is typically around $60 lower.
Vaporizer Comparison
G Pen Pro vs Sticky Brick Junior
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Pro
Grenco Science $90
VS
Sticky Brick Junior
Sticky Brick Labs $150
Editorial Summary
G Pen Pro and Sticky Brick Junior are both portable / convection vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $60 below Sticky Brick Junior. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
21
Different Specs
19
Shared Specs
2
Overall Overlap
10%
Shared Traits
Portable Convection
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Pro
Convection
Sticky Brick Junior
Convection
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Pro
$90
Sticky Brick Junior
$150
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
Sticky Brick Junior
N/A
Chamber Capacity
G Pen Pro
~0.25 grams
Sticky Brick Junior
~0.2g
Battery Type
G Pen Pro
Internal
Sticky Brick Junior
None
Battery Capacity
G Pen Pro
2200mAh
Sticky Brick Junior
N/A
Charging
G Pen Pro
Micro-USB
Sticky Brick Junior
N/A
Charge Time
G Pen Pro
<3 hours
Sticky Brick Junior
N/A
Power Adjustment
G Pen Pro
Modular - 3 Stages
Sticky Brick Junior
Manual
Brand
G Pen Pro
Grenco Science
Sticky Brick Junior
Sticky Brick Labs
Release Date
G Pen Pro
2017
Sticky Brick Junior
2019
Choose G Pen Pro if...
- You want the lower listed entry price ($90 vs $150).
- Your usage leans toward budget and electronic sessions.
- You prefer G Pen Pro's overall feature mix and form factor.
Choose Sticky Brick Junior if...
- Your usage leans toward wood and analog sessions.
- You prefer Sticky Brick Junior's overall feature mix and form factor.
- You value how the Sticky Brick Junior balances size, controls, and everyday practicality.
Spec Comparison Table
Direct comparison of every spec from each device profile.
19 differ 2 shared
| Specification | G Pen Pro | Sticky Brick Junior |
|---|---|---|
| Price (USD) | $90 | $150 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Convection |
| Heat Up Time | ~30 seconds | — |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | N/A |
| Chamber Capacity | ~0.25 grams | ~0.2g |
| Battery Type | Internal | None |
| Battery Capacity | 2200mAh | N/A |
| Battery Life | — | N/A |
| Charging | Micro-USB | N/A |
| Charge Time | <3 hours | N/A |
| Dimensions | — | 114x76x25mm |
| Weight | — | 190g |
| Power Adjustment | Modular - 3 Stages | Manual |
| Chamber Material | Ceramic | — |
| Brand | Grenco Science | Sticky Brick Labs |
| Adjustable Airflow | — | Yes |
| Country of Manufacture | — | United States (USA) |
| Release Date | 2017 | 2019 |
| Session Style | Session | On-Demand |
| Warranty | 1 year | Lifetime |
Comparison FAQs
What is the biggest difference between the G Pen Pro and the Sticky Brick Junior?
There's no single headline gap. The differences are spread across 19 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Which is cheaper, the G Pen Pro or the Sticky Brick Junior?
G Pen Pro is the cheaper option at $90 compared with $150 for the Sticky Brick Junior, about $60 less. Live retailer pricing can shift, so confirm before buying.
Does the G Pen Pro or the Sticky Brick Junior hold more flower?
G Pen Pro has the larger chamber at ~0.25 grams, versus ~0.2g on the Sticky Brick Junior. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Can I set custom temperatures on the G Pen Pro or the Sticky Brick Junior?
G Pen Pro controls heat with modular - 3 stages, while the Sticky Brick Junior uses manual. Both let you change temperature, just with different levels of precision.
How similar are the G Pen Pro and the Sticky Brick Junior?
Across the 21 specs we line up, they share 2 and differ on 19, an overlap of about 10%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.