Price (USD)
G Pen Roam edgeDynavap The Unidyn
$129
G Pen Roam
$100
G Pen Roam is typically around $29 lower.
Vaporizer Comparison
Dynavap The Unidyn vs G Pen Roam
Side-by-side specs, pricing context, and clear decision guidance.
Dynavap The Unidyn
DynaVap from $114.99
VS
G Pen Roam
Grenco Science from $49.95
Editorial Summary
Dynavap The Unidyn and G Pen Roam are both portable vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $29 below Dynavap The Unidyn. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
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.
Heat-Up Time
G Pen Roam edgeDynavap The Unidyn
Depending on the heat source, ~30 seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
Dynavap The Unidyn edgeDynavap The Unidyn
14g
G Pen Roam
~317g
Dynavap The Unidyn is the lighter listed unit.
Heating Style
Close callDynavap The Unidyn
Convection
G Pen Roam
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Dynavap The Unidyn
$129
G Pen Roam
$100
Heating Type
Dynavap The Unidyn
Convection
G Pen Roam
Conduction
Heat Up Time
Dynavap The Unidyn
Depending on the heat source, ~30 seconds
G Pen Roam
~5 seconds
Temperature Range
Dynavap The Unidyn
N/A
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Type
Dynavap The Unidyn
None
G Pen Roam
Internal
Battery Capacity
Dynavap The Unidyn
N/A
G Pen Roam
1300mAh
Battery Life
Dynavap The Unidyn
N/A
G Pen Roam
15-20 sessions
Charging
Dynavap The Unidyn
N/A
G Pen Roam
Micro-USB
Charge Time
Dynavap The Unidyn
N/A
G Pen Roam
~2 hours
Weight
Dynavap The Unidyn
14g
G Pen Roam
~317g
Choose Dynavap The Unidyn if...
- You want the lighter unit for carrying and travel.
- You prefer a convection heating profile.
- Your usage leans toward analog and convection sessions.
Lowest price
$114.99
at Vapor.com
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $129).
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward electronic and concentrates sessions.
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.
Spec Comparison Table
Direct comparison of every spec from each device profile.
23 differ 1 shared
| Specification | Dynavap The Unidyn | G Pen Roam |
|---|---|---|
| Price (USD) | $129 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | Depending on the heat source, ~30 seconds | ~5 seconds |
| Temperature Range | N/A | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | ~0.1g | — |
| Battery Type | None | Internal |
| Battery Capacity | N/A | 1300mAh |
| Battery Life | N/A | 15-20 sessions |
| Charging | N/A | Micro-USB |
| Charge Time | N/A | ~2 hours |
| Dimensions | 109x11x11mm | — |
| Weight | 14g | ~317g |
| Power Adjustment | Manual | Digital Control |
| Chamber Material | Titanium | Quartz |
| Concentrate Support | — | Yes |
| Brand | DynaVap | Grenco Science |
| Adjustable Airflow | Yes | No |
| Body Material | Titanium, stainless steel & high heat silicone seals | — |
| Country of Manufacture | United States (USA) | — |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Release Date | 2025 | 2020 |
| Warranty | Lifetime | 1 year |
Comparison FAQs
What is the biggest difference between the Dynavap The Unidyn and the G Pen Roam?
The biggest practical difference is heating approach: Dynavap The Unidyn runs convection while G Pen Roam runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the Dynavap The Unidyn or the G Pen Roam?
G Pen Roam is the cheaper option at $100 compared with $129 for the Dynavap The Unidyn, about $29 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Dynavap The Unidyn or the G Pen Roam?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Dynavap The Unidyn takes Depending on the heat source, ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Dynavap The Unidyn and the G Pen Roam?
Dynavap The Unidyn uses convection heating, while the G Pen Roam uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the Dynavap The Unidyn or the G Pen Roam?
Dynavap The Unidyn is the lighter unit at 14g, around 303g 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 Dynavap The Unidyn or the G Pen Roam?
Dynavap The Unidyn controls heat with manual, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.
What battery life can I expect from the Dynavap The Unidyn and the G Pen Roam?
Dynavap The Unidyn's spec sheet lists N/A; the G Pen Roam lists 15-20 sessions. 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.