Price (USD)
Boundless Terp Pen XL edgeBoundless Terp Pen XL
$55
XMAX Starry 4
$99
Boundless Terp Pen XL is typically around $44 lower.
Vaporizer Comparison
Boundless Terp Pen XL
XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen XL and XMAX Starry 4 are both portable / discrete vaporizers, but they target different priorities. Boundless Terp Pen XL is usually the lower-cost pick at $55, around $44 below XMAX Starry 4. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
18
Different Specs
17
Shared Specs
1
Overall Overlap
6%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless Terp Pen XL
$55
XMAX Starry 4
$99
Boundless Terp Pen XL is typically around $44 lower.
Boundless Terp Pen XL
—
XMAX Starry 4
~15 seconds
Both devices are in a similar heat-up range.
Boundless Terp Pen XL
Conduction
XMAX Starry 4
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen XL
$55
XMAX Starry 4
$99
Device Type
Boundless Terp Pen XL
Portable
XMAX Starry 4
—
Heat Up Time
Boundless Terp Pen XL
—
XMAX Starry 4
~15 seconds
Temperature Range
Boundless Terp Pen XL
—
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Battery Type
Boundless Terp Pen XL
Internal
XMAX Starry 4
18650
Battery Capacity
Boundless Terp Pen XL
320mAh
XMAX Starry 4
2550mAh
Charging
Boundless Terp Pen XL
—
XMAX Starry 4
USB-C
Pass-Through Charging
Boundless Terp Pen XL
—
XMAX Starry 4
Yes
Dimensions
Boundless Terp Pen XL
16x149x16mm
XMAX Starry 4
115.9 x 37.5 x 24mm
Oven Type
Boundless Terp Pen XL
Ceramic
XMAX Starry 4
—
Direct comparison of every spec from each device profile.
| Specification | Boundless Terp Pen XL | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $55 | $99 |
| Device Type | Portable | — |
| Heating Type | Conduction | Conduction |
| Heat Up Time | — | ~15 seconds |
| Temperature Range | — | 100℃-240℃ (212℉-464℉) |
| Battery Type | Internal | 18650 |
| Battery Capacity | 320mAh | 2550mAh |
| Charging | — | USB-C |
| Pass-Through Charging | — | Yes |
| Dimensions | 16x149x16mm | 115.9 x 37.5 x 24mm |
| Oven Type | Ceramic | — |
| Brand | Boundless Technology | — |
| Chamber Material | — | Ceramic |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | Yes |
| Temperature Control | Modular - 3 stage | — |
There's no single headline gap. The differences are spread across 17 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Boundless Terp Pen XL is the cheaper option at $55 compared with $99 for the XMAX Starry 4, about $44 less. Live retailer pricing can shift, so confirm before buying.
Yes, only the XMAX Starry 4 supports pass-through charging. The Boundless Terp Pen XL has to finish charging before you can use it.
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The Boundless Terp Pen XL has a built-in battery you can't swap on the go.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.