Price (USD)
Session Odyssey edgeG Pen Roam
$100
Session Odyssey
$50
Session Odyssey is typically around $50 lower.
Vaporizer Comparison
G Pen Roam vs Session Odyssey
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
Session Odyssey
Kandypens from $149.97 CAD
Editorial Summary
G Pen Roam and Session Odyssey are both portable / electronic vaporizers, but they target different priorities. Session Odyssey is usually the lower-cost pick at $50, around $50 below G Pen Roam. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
19
Shared Specs
4
Overall Overlap
17%
Shared Traits
Portable Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
Session Odyssey edgeG Pen Roam
~317g
Session Odyssey
~125g
Session Odyssey is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Session Odyssey
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
$100
Session Odyssey
$50
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Session Odyssey
N/A
Battery Capacity
G Pen Roam
1300mAh
Session Odyssey
1200mAh
Battery Life
G Pen Roam
15-20 sessions
Session Odyssey
~10 sessions
Charging
G Pen Roam
Micro-USB
Session Odyssey
USB-C
Charge Time
G Pen Roam
~2 hours
Session Odyssey
~1 hour
Weight
G Pen Roam
~317g
Session Odyssey
~125g
Power Adjustment
G Pen Roam
Digital Control
Session Odyssey
4 Voltage Settings
Chamber Material
G Pen Roam
Quartz
Session Odyssey
Ceramic
Brand
G Pen Roam
Grenco Science
Session Odyssey
Kandypens
Choose G Pen Roam if...
- You prefer G Pen Roam's overall feature mix and form factor.
- You value how the G Pen Roam balances size, controls, and everyday practicality.
Lowest price
$49.95
at G Pen
Choose Session Odyssey if...
- You want the lower listed entry price ($50 vs $100).
- You want the lighter unit for carrying and travel.
- Your usage leans toward budget and conduction sessions.
Current price
$149.97CAD
at Mind Vapes
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.
19 differ 4 shared
| Specification | G Pen Roam | Session Odyssey |
|---|---|---|
| Price (USD) | $100 | $50 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | N/A |
| Chamber Capacity | — | Up to ~0.2g |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 1200mAh |
| Battery Life | 15-20 sessions | ~10 sessions |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | ~1 hour |
| Height | — | 6.4cm |
| Weight | ~317g | ~125g |
| Power Adjustment | Digital Control | 4 Voltage Settings |
| Chamber Material | Quartz | Ceramic |
| Concentrate Support | Yes | Yes |
| Brand | Grenco Science | Kandypens |
| Adjustable Airflow | No | — |
| Body Material | — | Aluminum Alloy |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | — |
| Warranty | 1 year | — |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Session Odyssey?
The biggest practical difference is portability: the Session Odyssey is roughly 192g lighter than the G Pen Roam, which adds up over a day of pocket carry.
Which is cheaper, the G Pen Roam or the Session Odyssey?
Session Odyssey is the cheaper option at $50 compared with $100 for the G Pen Roam, about $50 less. Live retailer pricing can shift, so confirm before buying.
Which is lighter, the G Pen Roam or the Session Odyssey?
Session Odyssey is the lighter unit at ~125g, around 192g 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 G Pen Roam or the Session Odyssey?
G Pen Roam controls heat with digital control, while the Session Odyssey uses 4 voltage settings. G Pen Roam gives you finer per-degree control.
Which charges faster, the G Pen Roam or the Session Odyssey?
Session Odyssey fully charges in ~1 hour, ahead of ~2 hours on the G Pen Roam.
What battery life can I expect from the G Pen Roam and the Session Odyssey?
G Pen Roam's spec sheet lists 15-20 sessions; the Session Odyssey lists ~10 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Can I use concentrates with the G Pen Roam or the Session Odyssey?
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.