Price (USD)
Close callBoundless Terp Pen XL
$55
Cloudious9 Atomic9
$70
Pricing is very close between both devices.
Vaporizer Comparison
Boundless Terp Pen XL vs Cloudious9 Atomic9
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen XL
Boundless Technology from $59
VS
Cloudious9 Atomic9
Cloudious9 $70
Editorial Summary
Boundless Terp Pen XL and Cloudious9 Atomic9 are both portable / discrete vaporizers, but they target different priorities. Their listed prices are close ($55 vs $70). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
26
Different Specs
22
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
Cloudious9 Atomic9
Hybrid (Cloudious9 dual layer)
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
Cloudious9 Atomic9
$70
Heating Type
Boundless Terp Pen XL
Conduction
Cloudious9 Atomic9
Hybrid (Cloudious9 dual layer)
Temperature Range
Boundless Terp Pen XL
698°F - 779°F (370°C - 415°C)
Cloudious9 Atomic9
180-230°C (356-446°F)
Battery Capacity
Boundless Terp Pen XL
320mAh
Cloudious9 Atomic9
900mAh
Charge Time
Boundless Terp Pen XL
~45 minutes
Cloudious9 Atomic9
2-2.5 hours
Dimensions
Boundless Terp Pen XL
16x149x16mm
Cloudious9 Atomic9
98 x 37 x 22mm
Power Adjustment
Boundless Terp Pen XL
Modular - 3 stage
Cloudious9 Atomic9
Six presets
Brand
Boundless Terp Pen XL
Boundless Technology
Cloudious9 Atomic9
Cloudious9
Release Date
Boundless Terp Pen XL
2020
Cloudious9 Atomic9
2021
Session Style
Boundless Terp Pen XL
On-Demand
Cloudious9 Atomic9
Session
Choose Boundless Terp Pen XL if...
- You prefer a conduction heating profile.
- Your usage leans toward concentrates and pen sessions.
- You prefer Boundless Terp Pen XL's overall feature mix and form factor.
Current price
$59
at Slick Vapes
Choose Cloudious9 Atomic9 if...
- You prefer a hybrid (cloudious9 dual layer) heating profile.
- Your usage leans toward hybrid and budget sessions.
- You prefer Cloudious9 Atomic9's overall feature mix and form factor.
Typical price
$70
Sold by To the Cloud Vapor Store
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.
22 differ 4 shared
| Specification | Boundless Terp Pen XL | Cloudious9 Atomic9 |
|---|---|---|
| Price (USD) | $55 | $70 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Hybrid (Cloudious9 dual layer) |
| Heat Up Time | — | 30-45 seconds |
| Temperature Range | 698°F - 779°F (370°C - 415°C) | 180-230°C (356-446°F) |
| Chamber Capacity | — | 10mm diameter x 18mm deep (about 0.2g) |
| Battery Type | Internal | Internal |
| Battery Capacity | 320mAh | 900mAh |
| Battery Life | — | 9-12 sessions claimed, 3-6 in independent testing |
| Charging | Micro USB | Micro USB |
| Charge Time | ~45 minutes | 2-2.5 hours |
| Dimensions | 16x149x16mm | 98 x 37 x 22mm |
| Weight | — | 74 grams |
| Power Adjustment | Modular - 3 stage | Six presets |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Boundless Technology | Cloudious9 |
| Adjustable Airflow | No | — |
| Body Material | — | Anodized aluminium alloy |
| Country of Manufacture | China | — |
| Display Type | — | LED logo indicator |
| Manufacturer | — | Cloudious9 Inc, Hayward CA |
| Release Date | 2020 | 2021 |
| Session Length | — | 120 seconds before auto shut off |
| 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 Cloudious9 Atomic9?
The biggest practical difference is heating approach: Boundless Terp Pen XL runs conduction while Cloudious9 Atomic9 runs hybrid (cloudious9 dual layer). That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
What's the difference in heating between the Boundless Terp Pen XL and the Cloudious9 Atomic9?
Boundless Terp Pen XL uses conduction heating, while the Cloudious9 Atomic9 uses hybrid (cloudious9 dual layer). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is cheaper, the Boundless Terp Pen XL or the Cloudious9 Atomic9?
Listed prices are close: $55 for the Boundless Terp Pen XL versus $70 for the Cloudious9 Atomic9. Day-to-day price will likely come down to whichever retailer is running a promotion.
Which charges faster, the Boundless Terp Pen XL or the Cloudious9 Atomic9?
Boundless Terp Pen XL fully charges in ~45 minutes, ahead of 2-2.5 hours on the Cloudious9 Atomic9.
How similar are the Boundless Terp Pen XL and the Cloudious9 Atomic9?
Across the 26 specs we line up, they share 4 and differ on 22, 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.