Price (USD)
G Pen Roam edgeG Pen Roam
$100
Stache Terp Tap
$180
G Pen Roam is typically around $80 lower.
Vaporizer Comparison
G Pen Roam vs Stache Terp Tap
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
Stache Terp Tap
Stache $180
Editorial Summary
G Pen Roam and Stache Terp Tap are both electronic / concentrates vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $80 below Stache Terp Tap. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
26
Different Specs
26
Shared Specs
0
Overall Overlap
0%
Shared Traits
Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
G Pen Roam edgeG Pen Roam
~317g
Stache Terp Tap
~3400g (7.5 lbs), glass cup a further 230g
G Pen Roam is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Stache Terp Tap
Conduction (510 thread cartridge or screw-in coil)
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
Stache Terp Tap
$180
Device Type
G Pen Roam
Portable
Stache Terp Tap
Desktop
Heating Type
G Pen Roam
Conduction
Stache Terp Tap
Conduction (510 thread cartridge or screw-in coil)
Battery Type
G Pen Roam
Internal
Stache Terp Tap
Internal rechargeable
Battery Capacity
G Pen Roam
1300mAh
Stache Terp Tap
3000mAh (listed by retailers, not published by Stache)
Charging
G Pen Roam
Micro-USB
Stache Terp Tap
USB-C
Weight
G Pen Roam
~317g
Stache Terp Tap
~3400g (7.5 lbs), glass cup a further 230g
Power Adjustment
G Pen Roam
Digital Control
Stache Terp Tap
6 voltage settings: 2.5V, 2.8V, 3.1V, 3.4V, 3.7V, 4.0V
Concentrate Support
G Pen Roam
Yes
Stache Terp Tap
Yes, through 510 thread cartridges
Brand
G Pen Roam
Grenco Science
Stache Terp Tap
Stache
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $180).
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward portable sessions.
Lowest price
$49.95
at G Pen
Choose Stache Terp Tap if...
- You prefer a conduction (510 thread cartridge or screw-in coil) heating profile.
- Your usage leans toward desktop and cartridges sessions.
- You prefer Stache Terp Tap's overall feature mix and form factor.
Typical price
$180
Sold by Headshop.com
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.
26 differ 0 shared
| Specification | G Pen Roam | Stache Terp Tap |
|---|---|---|
| Price (USD) | $100 | $180 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Conduction (510 thread cartridge or screw-in coil) |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | — |
| Battery Type | Internal | Internal rechargeable |
| Battery Capacity | 1300mAh | 3000mAh (listed by retailers, not published by Stache) |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | — |
| Pass-Through Charging | — | No |
| Dimensions | — | 146 x 108 x 191mm (5.75 x 4.25 x 7.5in) |
| Weight | ~317g | ~3400g (7.5 lbs), glass cup a further 230g |
| Power Adjustment | Digital Control | 6 voltage settings: 2.5V, 2.8V, 3.1V, 3.4V, 3.7V, 4.0V |
| Chamber Material | Quartz | — |
| Concentrate Support | Yes | Yes, through 510 thread cartridges |
| Brand | Grenco Science | Stache |
| Adjustable Airflow | No | — |
| Cartridge Ports | — | Two 510 thread ports (two cartridges, or one cartridge plus one dry herb coil) |
| Display Type | LED | Digital screen with colour coded voltage, battery and ohm readout |
| Dry Herb Support | — | Optional coil accessory, 3.1V or higher |
| Haptic Feedback | Yes | — |
| Manufacturer | — | Stache Products |
| Release Date | 2020 | 2025 |
| Session Style | — | On-Demand |
| Warranty | 1 year | 1 month |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Stache Terp Tap?
The biggest practical difference is form factor: these aren't the same kind of device. G Pen Roam is a portable, Stache Terp Tap is a desktop. Pick based on whether you want something portable or something stationary.
Which is cheaper, the G Pen Roam or the Stache Terp Tap?
G Pen Roam is the cheaper option at $100 compared with $180 for the Stache Terp Tap, about $80 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Roam and the Stache Terp Tap?
G Pen Roam uses conduction heating, while the Stache Terp Tap uses conduction (510 thread cartridge or screw-in coil). 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 Stache Terp Tap?
G Pen Roam is the lighter unit at ~317g, around 3083g less than the Stache Terp Tap at ~3400g (7.5 lbs), glass cup a further 230g. The lighter device is easier to carry and pocket day-to-day.
Is the G Pen Roam or the Stache Terp Tap better for home versus on-the-go use?
G Pen Roam is the take-anywhere choice. It's a portable, battery-powered unit, while the Stache Terp Tap is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Can I set custom temperatures on the G Pen Roam or the Stache Terp Tap?
G Pen Roam controls heat with digital control, while the Stache Terp Tap uses 6 voltage settings: 2.5v, 2.8v, 3.1v, 3.4v, 3.7v, 4.0v. G Pen Roam gives you finer per-degree control.
Can I use concentrates with the G Pen Roam or the Stache Terp Tap?
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.