Price (USD)
G Pen Roam edgeG Pen Roam
$200
Modul
$350
G Pen Roam is typically around $150 lower.
Vaporizer Comparison
G Pen Roam vs Modul
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
VS
Modul
Stündenglass $350
Editorial Summary
G Pen Roam and Modul are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $200, around $150 below Modul. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
24
Different Specs
19
Shared Specs
5
Overall Overlap
21%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeG Pen Roam
~5 seconds
Modul
~15 Seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
G Pen Roam edgeG Pen Roam
~317g
Modul
387.5g
G Pen Roam is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Modul
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
Modul
$350
Heat Up Time
G Pen Roam
~5 seconds
Modul
~15 Seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Modul
850°F-900°F (Dry Herb Tank)
Battery Capacity
G Pen Roam
1300mAh
Modul
6000mAh
Battery Life
G Pen Roam
15-20 sessions
Modul
<50 Sessions Depending on Usage Style
Charging
G Pen Roam
Micro-USB
Modul
USB-C
Dimensions
G Pen Roam
178x127x102mm
Modul
154x68x50mm
Weight
G Pen Roam
~317g
Modul
387.5g
Power Adjustment
G Pen Roam
Digital Control
Modul
Digital
Display Type
G Pen Roam
LED
Modul
2.4” Color Display
Choose G Pen Roam if...
- You want the lower listed entry price ($200 vs $350).
- You care about faster heat-up time for quicker sessions.
- You want the lighter unit for carrying and travel.
- Your usage leans toward concentrates sessions.
Choose Modul if...
- Your usage leans toward conduction and premium sessions.
- You prefer Modul's overall feature mix and form factor.
- You value how the Modul balances size, controls, and everyday practicality.
Spec Comparison Table
Direct comparison of every spec from each device profile.
19 differ 5 shared
| Specification | G Pen Roam | Modul |
|---|---|---|
| Price (USD) | $200 | $350 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | ~15 Seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 850°F-900°F (Dry Herb Tank) |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 6000mAh |
| Battery Life | 15-20 sessions | <50 Sessions Depending on Usage Style |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | ~2 Hours |
| Dimensions | 178x127x102mm | 154x68x50mm |
| Weight | ~317g | 387.5g |
| Power Adjustment | Digital Control | Digital |
| Chamber Material | Quartz | Quartz |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | — |
| Adjustable Airflow | No | — |
| Body Material | — | Anodized Aluminum |
| Country of Manufacture | — | China |
| Display Type | LED | 2.4” Color Display |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | 2023 |
| Session Style | — | Session |
| Warranty | 1 year | 2 years |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Modul?
The biggest practical difference is price tier: the G Pen Roam sits at $200 while the Modul is $350, a gap of about $150 that puts them in different buying brackets.
Which is cheaper, the G Pen Roam or the Modul?
G Pen Roam is the cheaper option at $200 compared with $350 for the Modul, about $150 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Roam or the Modul?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Modul takes ~15 Seconds. That's roughly 10 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Which is lighter, the G Pen Roam or the Modul?
G Pen Roam is the lighter unit at ~317g, around 71g less than the Modul at 387.5g. The lighter device is easier to carry and pocket day-to-day.
What battery life can I expect from the G Pen Roam and the Modul?
G Pen Roam's spec sheet lists 15-20 sessions; the Modul lists <50 Sessions Depending on Usage Style. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Which uses USB-C, the G Pen Roam or the Modul?
Modul charges over USB-C; the G Pen Roam uses a Micro-USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
How similar are the G Pen Roam and the Modul?
Across the 24 specs we line up, they share 5 and differ on 19, an overlap of about 21%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
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