Price (USD)
Boundless Terp Pen XL edgeBoundless Terp Pen XL
$55
The Coma
$588
Boundless Terp Pen XL is typically around $533 lower.
Vaporizer Comparison
Boundless Terp Pen XL vs The Coma
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen XL
Boundless Technology from $59
VS
The Coma
Vices $588
Editorial Summary
Boundless Terp Pen XL and The Coma are both electronic vaporizers, but they target different priorities. Boundless Terp Pen XL is usually the lower-cost pick at $55, around $533 below The Coma. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
25
Different Specs
24
Shared Specs
1
Overall Overlap
4%
Shared Traits
Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callBoundless Terp Pen XL
Conduction
The Coma
Convection (wired ball vaporizer)
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen XL
$55
The Coma
$588
Device Type
Boundless Terp Pen XL
Portable
The Coma
Desktop
Heating Type
Boundless Terp Pen XL
Conduction
The Coma
Convection (wired ball vaporizer)
Temperature Range
Boundless Terp Pen XL
698°F - 779°F (370°C - 415°C)
The Coma
200-300°C (392-572°F) recommended by Vices
Battery Type
Boundless Terp Pen XL
Internal
The Coma
None
Battery Capacity
Boundless Terp Pen XL
320mAh
The Coma
N/A
Charging
Boundless Terp Pen XL
Micro USB
The Coma
N/A
Power Adjustment
Boundless Terp Pen XL
Modular - 3 stage
The Coma
PID controller, switchable between °C and °F
Chamber Material
Boundless Terp Pen XL
Ceramic
The Coma
Titanium Macro Bowl with an Everlasting titanium screen
Brand
Boundless Terp Pen XL
Boundless Technology
The Coma
Vices
Choose Boundless Terp Pen XL if...
- You want the lower listed entry price ($55 vs $588).
- You prefer a conduction heating profile.
- Your usage leans toward portable and concentrates sessions.
Current price
$59
at Slick Vapes
Choose The Coma if...
- You prefer a convection (wired ball vaporizer) heating profile.
- Your usage leans toward desktop and ball vape sessions.
- You prefer The Coma's overall feature mix and form factor.
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.
24 differ 1 shared
| Specification | Boundless Terp Pen XL | The Coma |
|---|---|---|
| Price (USD) | $55 | $588 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Convection (wired ball vaporizer) |
| Temperature Range | 698°F - 779°F (370°C - 415°C) | 200-300°C (392-572°F) recommended by Vices |
| Chamber Capacity | — | 0.2g to 1.6g |
| Battery Type | Internal | None |
| Battery Capacity | 320mAh | N/A |
| Charging | Micro USB | N/A |
| Charge Time | ~45 minutes | — |
| Dimensions | 16x149x16mm | — |
| Power Adjustment | Modular - 3 stage | PID controller, switchable between °C and °F |
| Chamber Material | Ceramic | Titanium Macro Bowl with an Everlasting titanium screen |
| Concentrate Support | Yes | — |
| Brand | Boundless Technology | Vices |
| Adjustable Airflow | No | — |
| Coil Size | — | 35mm enclosed coil, wired directly to the PID |
| Country of Manufacture | China | — |
| Heater Material | — | Titanium with an aluminium handle and heat sync hardware |
| Manufacturer | — | Vices, Brisbane Australia |
| Power Options | — | 110V (US and Canada) or 220V (AU, UK and EU) |
| Release Date | 2020 | 2026 |
| Session Style | On-Demand | On-Demand |
| Thermal Matrix | — | ~3500 mixed cut ruby corundum gems, 2 to 2.5mm |
| Warranty | 3 years | Australian Consumer Law cover, no fixed term published. Consumables excluded |
| Water Pipe Adapter | — | 14mm glass joint fitted, 18mm spare included |
Comparison FAQs
What is the biggest difference between the Boundless Terp Pen XL and the The Coma?
The biggest practical difference is price tier: the Boundless Terp Pen XL sits at $55 while the The Coma is $588, a gap of about $533 that puts them in different buying brackets.
Which is cheaper, the Boundless Terp Pen XL or the The Coma?
Boundless Terp Pen XL is the cheaper option at $55 compared with $588 for the The Coma, about $533 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Boundless Terp Pen XL and the The Coma?
Boundless Terp Pen XL uses conduction heating, while the The Coma uses convection (wired ball vaporizer). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Is the Boundless Terp Pen XL or the The Coma better for home versus on-the-go use?
Boundless Terp Pen XL is the take-anywhere choice. It's a portable, battery-powered unit, while the The Coma is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Can I set custom temperatures on the Boundless Terp Pen XL or the The Coma?
Boundless Terp Pen XL controls heat with modular - 3 stage, while the The Coma uses pid controller, switchable between °c and °f. Both let you change temperature, just with different levels of precision.
Which is more discreet, the Boundless Terp Pen XL or the The Coma?
Boundless Terp Pen XL is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the The Coma is more conspicuous in hand and harder to keep out of sight.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.