Pax is the name everyone knows. The POTV ONE is the budget darling reviewers love. And the Aster undercuts both on price while including something neither ships as standard. So which portable dry herb vaporizer should you actually buy? Here's an honest head-to-head — including where the pricier options genuinely earn their premium.
The comparison at a glance
| Aster | Pax (Plus/3) | POTV ONE | |
|---|---|---|---|
| Price | $49.99 | ~$150–200 | ~$99 |
| Heating | Conduction | Conduction | Convection |
| Temp control | Variable + LCD screen | 4 presets / app | Preset temps |
| Charging | USB-C | Charging dock | Removable 18650 |
| Glass adapter | Included (14mm) | Not standard | Sold separately |
| Battery | 1300 mAh | ~3000 mAh | Swappable |
| Best for | Value + glass | Discretion/design | Budget convection |
Competitor prices/specs are approximate and vary by retailer.
Where Pax wins
Pax earns its reputation on industrial design, pocketability, and discretion. It's a beautifully built device with a large battery and a polished app experience. If you want the most premium-feeling object and stealth is your top priority, Pax delivers — you're just paying three to four times the Aster's price for design and brand as much as raw performance.
Where the POTV ONE wins
The ONE's advantage is convection heating and a swappable 18650 battery at around $99. Convection tends to give slightly cleaner flavor and more even extraction than conduction, and swappable batteries mean unlimited runtime if you carry spares. If convection is non-negotiable and $99 fits your budget, it's a great device.
Where the Aster wins
Two words: value and glass. At $49.99 the Aster gives you genuine variable temperature control on an LCD screen (not just presets), a preheat function, USB-C charging, and — the differentiator — an included 14mm male glass adapter. Neither the Pax nor the ONE ships ready to connect to your water piece out of the box. The Aster does.
Is it conduction rather than convection? Yes — a flavor purist at low temps will notice the ONE and premium convection units edge ahead. But you're comparing a $50 device to ones costing 2–4× more, and for most people the Aster covers the essentials that actually matter day to day. See the Aster →
So, is a $50 dry herb vape worth it?
If you want the best-looking device or must have convection, spend up. But if you want real temperature control, glass compatibility, and modern charging without paying a premium for a logo — the Aster matches the everyday experience of vapes costing far more, for $49.99. For the majority of flower vapers, that's the smart buy.
Compare the whole field in our best dry herb vaporizers of 2026 guide, or shop the Aster and our flower vaporizers.