Price (USD)
G Pen Roam edgeG Pen Roam
$100
MiniNail Flower Wand
$300
G Pen Roam is typically around $200 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
MiniNail Flower Wand
MiniNail $300
G Pen Roam and MiniNail Flower Wand are both electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $200 below MiniNail Flower Wand. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
28
Different Specs
28
Shared Specs
0
Overall Overlap
0%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$100
MiniNail Flower Wand
$300
G Pen Roam is typically around $200 lower.
G Pen Roam
~5 seconds
MiniNail Flower Wand
About 3 minutes from cold
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
~317g
MiniNail Flower Wand
151g controller
MiniNail Flower Wand is the lighter listed unit.
G Pen Roam
Conduction
MiniNail Flower Wand
Convection (injector ball vape)
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$100
MiniNail Flower Wand
$300
Device Type
G Pen Roam
Portable
MiniNail Flower Wand
Desktop
Heating Type
G Pen Roam
Conduction
MiniNail Flower Wand
Convection (injector ball vape)
Heat Up Time
G Pen Roam
~5 seconds
MiniNail Flower Wand
About 3 minutes from cold
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
MiniNail Flower Wand
204-316°C (400-600°F) recommended, controller adjustable 0-1000°F
Battery Type
G Pen Roam
Internal
MiniNail Flower Wand
None
Charging
G Pen Roam
Micro-USB
MiniNail Flower Wand
None
Weight
G Pen Roam
~317g
MiniNail Flower Wand
151g controller
Power Adjustment
G Pen Roam
Digital Control
MiniNail Flower Wand
Digital, set to the degree
Chamber Material
G Pen Roam
Quartz
MiniNail Flower Wand
Titanium V2 engine with quartz or ruby pearls
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 | MiniNail Flower Wand |
|---|---|---|
| Price (USD) | $100 | $300 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Convection (injector ball vape) |
| Heat Up Time | ~5 seconds | About 3 minutes from cold |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 204-316°C (400-600°F) recommended, controller adjustable 0-1000°F |
| Chamber Capacity | — | About 0.3g, down to microdoses |
| Battery Type | Internal | None |
| Battery Capacity | 1300mAh | — |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | None |
| Charge Time | ~2 hours | — |
| Dimensions | — | Wand 171mm long with the coil guard, controller 108 x 57 x 32mm |
| Weight | ~317g | 151g controller |
| Power Adjustment | Digital Control | Digital, set to the degree |
| Chamber Material | Quartz | Titanium V2 engine with quartz or ruby pearls |
| Concentrate Support | Yes | No, the same controller runs MiniNail concentrate coils separately |
| Brand | Grenco Science | MiniNail |
| Adjustable Airflow | No | — |
| Coil Size | — | 20mm barrel heater coil on a 4ft Kevlar sheathed lead |
| Country of Manufacture | — | United States (designed and assembled in Seattle, Washington) |
| Display Type | LED | LED temperature readout on the controller |
| Haptic Feedback | Yes | — |
| Joint Size | — | 14mm on the glass bowl, 10mm, 14mm and 18mm on the titanium universal bowl |
| Manufacturer | — | MiniNail |
| Power Draw | — | 1 amp / 89 watts |
| Release Date | 2020 | 2023 |
| Session Style | — | On-Demand |
| Warranty | 1 year | 2 years on the controller and coil |
The biggest practical difference is price tier: the G Pen Roam sits at $100 while the MiniNail Flower Wand is $300, a gap of about $200 that puts them in different buying brackets.
G Pen Roam is the cheaper option at $100 compared with $300 for the MiniNail Flower Wand, about $200 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the MiniNail Flower Wand takes About 3 minutes from cold. That's roughly 175 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam uses conduction heating, while the MiniNail Flower Wand uses convection (injector ball vape). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
MiniNail Flower Wand is the lighter unit at 151g controller, around 166g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
G Pen Roam is the take-anywhere choice. It's a portable, battery-powered unit, while the MiniNail Flower Wand is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Only the G Pen Roam supports concentrates out of the box. The MiniNail Flower Wand is dry-herb-only by design.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.