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 vs XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen XL
Boundless Technology $55
VS
XMAX Starry 4
XMAX $99
Editorial Summary
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
27
Different Specs
23
Shared Specs
4
Overall Overlap
15%
Shared Traits
Portable Discrete Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callBoundless Terp Pen XL
Conduction
XMAX Starry 4
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Boundless Terp Pen XL
$55
XMAX Starry 4
$99
Temperature Range
Boundless Terp Pen XL
698°F - 779°F (370°C - 415°C)
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
Micro USB
XMAX Starry 4
USB-C
Charge Time
Boundless Terp Pen XL
~45 minutes
XMAX Starry 4
~90 minutes
Dimensions
Boundless Terp Pen XL
16x149x16mm
XMAX Starry 4
115.9 x 37.5 x 24mm
Power Adjustment
Boundless Terp Pen XL
Modular - 3 stage
XMAX Starry 4
Digital (precise)
Brand
Boundless Terp Pen XL
Boundless Technology
XMAX Starry 4
XMAX
Adjustable Airflow
Boundless Terp Pen XL
No
XMAX Starry 4
Yes
Choose Boundless Terp Pen XL if...
- You want the lower listed entry price ($55 vs $99).
- Your usage leans toward concentrates and pen sessions.
- You prefer Boundless Terp Pen XL's overall feature mix and form factor.
Choose XMAX Starry 4 if...
- Your usage leans toward conduction and budget sessions.
- You prefer XMAX Starry 4's overall feature mix and form factor.
- You value how the XMAX Starry 4 balances size, controls, and everyday practicality.
Spec Comparison Table
Direct comparison of every spec from each device profile.
23 differ 4 shared
| Specification | Boundless Terp Pen XL | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $55 | $99 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | — | ~15 seconds |
| Temperature Range | 698°F - 779°F (370°C - 415°C) | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | — | 0.4g |
| Battery Type | Internal | 18650 |
| Battery Capacity | 320mAh | 2550mAh |
| Battery Life | — | ~60 minutes |
| Charging | Micro USB | USB-C |
| Charge Time | ~45 minutes | ~90 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | 16x149x16mm | 115.9 x 37.5 x 24mm |
| Weight | — | ~137g |
| Power Adjustment | Modular - 3 stage | Digital (precise) |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Boundless Technology | XMAX |
| Adjustable Airflow | No | Yes |
| Country of Manufacture | China | China |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2020 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | On-Demand | Session |
| Warranty | 3 years | 1 year |
Comparison FAQs
What is the biggest difference between the Boundless Terp Pen XL and the XMAX Starry 4?
There's no single headline gap. The differences are spread across 23 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Which is cheaper, the Boundless Terp Pen XL or the XMAX Starry 4?
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.
Can I swap the batteries on the Boundless Terp Pen XL or the XMAX Starry 4?
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.
Can I set custom temperatures on the Boundless Terp Pen XL or the XMAX Starry 4?
Boundless Terp Pen XL controls heat with modular - 3 stage, while the XMAX Starry 4 uses digital (precise). XMAX Starry 4 gives you finer per-degree control.
Which charges faster, the Boundless Terp Pen XL or the XMAX Starry 4?
Boundless Terp Pen XL fully charges in ~45 minutes, ahead of ~90 minutes on the XMAX Starry 4.
Which uses USB-C, the Boundless Terp Pen XL or the XMAX Starry 4?
XMAX Starry 4 charges over USB-C; the Boundless Terp Pen XL uses a Micro USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
How similar are the Boundless Terp Pen XL and the XMAX Starry 4?
Across the 27 specs we line up, they share 4 and differ on 23, an overlap of about 15%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.