Price (USD)
Boundless Terp Pen edgeBoundless Terp Pen
$25
Tempest
$247
Boundless Terp Pen is typically around $222 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen
Boundless Technology $25
Tempest
Mad Heaters $247
Boundless Terp Pen and Tempest are both portable vaporizers, but they target different priorities. Boundless Terp Pen is usually the lower-cost pick at $25, around $222 below Tempest. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
20
Different Specs
18
Shared Specs
2
Overall Overlap
10%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless Terp Pen
$25
Tempest
$247
Boundless Terp Pen is typically around $222 lower.
Boundless Terp Pen
Ceramic & Stainless Steel Coil
Tempest
Convection-heavy with some conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen
$25
Tempest
$247
Heating Type
Boundless Terp Pen
Ceramic & Stainless Steel Coil
Tempest
Convection-heavy with some conduction
Chamber Capacity
Boundless Terp Pen
N/A
Tempest
0.075g - 0.15g
Battery Type
Boundless Terp Pen
Internal
Tempest
None
Battery Capacity
Boundless Terp Pen
300mAh
Tempest
N/A
Charging
Boundless Terp Pen
Micro USB
Tempest
N/A
Power Adjustment
Boundless Terp Pen
Draw-Activated
Tempest
Manual
Chamber Material
Boundless Terp Pen
Ceramic
Tempest
Titanium
Brand
Boundless Terp Pen
Boundless Technology
Tempest
Mad Heaters
Country of Manufacture
Boundless Terp Pen
China
Tempest
Made in China, Assembled in the UK
Direct comparison of every spec from each device profile.
| Specification | Boundless Terp Pen | Tempest |
|---|---|---|
| Price (USD) | $25 | $247 |
| Device Type | Portable | Portable |
| Heating Type | Ceramic & Stainless Steel Coil | Convection-heavy with some conduction |
| Temperature Range | N/A | N/A |
| Chamber Capacity | N/A | 0.075g - 0.15g |
| Battery Type | Internal | None |
| Battery Capacity | 300mAh | N/A |
| Battery Life | — | N/A |
| Charging | Micro USB | N/A |
| Charge Time | — | N/A |
| Dimensions | 13x134x13mm | — |
| Power Adjustment | Draw-Activated | Manual |
| Chamber Material | Ceramic | Titanium |
| Concentrate Support | Yes | — |
| Brand | Boundless Technology | Mad Heaters |
| Adjustable Airflow | — | Yes |
| Ball Size | — | 2.5mm Zirconia |
| Country of Manufacture | China | Made in China, Assembled in the UK |
| Session Style | On-Demand | — |
| Warranty | 3 years | — |
The biggest practical difference is price tier: the Boundless Terp Pen sits at $25 while the Tempest is $247, a gap of about $222 that puts them in different buying brackets.
Boundless Terp Pen is the cheaper option at $25 compared with $247 for the Tempest, about $222 less. Live retailer pricing can shift, so confirm before buying.
Boundless Terp Pen uses ceramic & stainless steel coil heating, while the Tempest uses convection-heavy with some conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Boundless Terp Pen lists a chamber capacity of N/A; the Tempest lists 0.075g - 0.15g.
Boundless Terp Pen is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the Tempest is more conspicuous in hand and harder to keep out of sight.
Across the 20 specs we line up, they share 2 and differ on 18, an overlap of about 10%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.