Price (USD)
Boundless Terp Pen edgeBoundless Terp Pen
$25
Puffco Proxy
$280
Boundless Terp Pen is typically around $255 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen
Boundless Technology from $25.49
Puffco Proxy
Puffco $280
Boundless Terp Pen and Puffco Proxy are both concentrates / portable vaporizers, but they target different priorities. Boundless Terp Pen is usually the lower-cost pick at $25, around $255 below Puffco Proxy. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
28
Different Specs
25
Shared Specs
3
Overall Overlap
11%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless Terp Pen
$25
Puffco Proxy
$280
Boundless Terp Pen is typically around $255 lower.
Boundless Terp Pen
Ceramic & Stainless Steel Coil
Puffco Proxy
Conduction (3D Chamber, heated ceramic side walls)
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen
$25
Puffco Proxy
$280
Heating Type
Boundless Terp Pen
Ceramic & Stainless Steel Coil
Puffco Proxy
Conduction (3D Chamber, heated ceramic side walls)
Temperature Range
Boundless Terp Pen
N/A
Puffco Proxy
254-285°C (490-545°F) across four presets, custom values in the Connect app
Battery Type
Boundless Terp Pen
Internal
Puffco Proxy
Internal, sealed
Charging
Boundless Terp Pen
Micro USB
Puffco Proxy
USB-C
Dimensions
Boundless Terp Pen
13x134x13mm
Puffco Proxy
140 x 75 x 35mm with the stock glass pipe
Power Adjustment
Boundless Terp Pen
Draw-Activated
Puffco Proxy
Four presets plus custom profiles in the app
Concentrate Support
Boundless Terp Pen
Yes
Puffco Proxy
Yes (a separate Flower Bowl accessory is sold for dry herb)
Brand
Boundless Terp Pen
Boundless Technology
Puffco Proxy
Puffco
Session Style
Boundless Terp Pen
On-Demand
Puffco Proxy
Session
Lowest price
$25.49
at The Stash Shack
Typical price
$280
Sold by The Stash Shack
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.
Direct comparison of every spec from each device profile.
| Specification | Boundless Terp Pen | Puffco Proxy |
|---|---|---|
| Price (USD) | $25 | $280 |
| Device Type | Portable | Portable |
| Heating Type | Ceramic & Stainless Steel Coil | Conduction (3D Chamber, heated ceramic side walls) |
| Heat Up Time | — | ~25 seconds |
| Temperature Range | N/A | 254-285°C (490-545°F) across four presets, custom values in the Connect app |
| Chamber Capacity | N/A | — |
| Battery Type | Internal | Internal, sealed |
| Battery Capacity | 300mAh | — |
| Battery Life | — | ~15 dabs per charge |
| Charging | Micro USB | USB-C |
| Charge Time | — | ~2 hours |
| Pass-Through Charging | — | Yes |
| Dimensions | 13x134x13mm | 140 x 75 x 35mm with the stock glass pipe |
| Weight | — | 77 grams with the stock glass pipe |
| Power Adjustment | Draw-Activated | Four presets plus custom profiles in the app |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | Yes (a separate Flower Bowl accessory is sold for dry herb) |
| Brand | Boundless Technology | Puffco |
| Adjustable Airflow | — | Joystick Cap steers airflow, no airflow dial |
| App Control | — | Yes, Puffco Connect over Bluetooth |
| Country of Manufacture | China | China |
| Display Type | — | LED light bar (dimmable, customisable in the app) |
| Haptic Feedback | — | Yes |
| Heat Cycle Duration | — | 40 seconds default, up to 2 minutes in the app, Boost adds heat and time |
| Manufacturer | — | Puffco |
| Release Date | — | 2022 (current Bluetooth version from 2025) |
| Session Style | On-Demand | Session |
| Warranty | 3 years | 2 years on the base, 6 months on the chamber |
The biggest practical difference is price tier: the Boundless Terp Pen sits at $25 while the Puffco Proxy is $280, a gap of about $255 that puts them in different buying brackets.
Boundless Terp Pen is the cheaper option at $25 compared with $280 for the Puffco Proxy, about $255 less. Live retailer pricing can shift, so confirm before buying.
Boundless Terp Pen uses ceramic & stainless steel coil heating, while the Puffco Proxy uses conduction (3d chamber, heated ceramic side walls). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Boundless Terp Pen controls heat with draw-activated, while the Puffco Proxy uses four presets plus custom profiles in the app. Puffco Proxy gives you finer per-degree control.
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 Puffco Proxy is more conspicuous in hand and harder to keep out of sight.
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Puffco Proxy charges over USB-C; the Boundless Terp Pen uses a Micro USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.