Price (USD)
G Pen Hyer edgeG Pen Hyer
$150
IO Hornet
$260
G Pen Hyer is typically around $110 lower.
Vaporizer Comparison
G Pen Hyer vs IO Hornet
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
VS
IO Hornet
IO MFG $260
Editorial Summary
G Pen Hyer and IO Hornet are both electronic vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $110 below IO Hornet. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
25
Different Specs
25
Shared Specs
0
Overall Overlap
0%
Shared Traits
Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Hyer
Conduction
IO Hornet
Convection as an injector, hybrid with conduction as a diffuser
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Hyer
$150
IO Hornet
$260
Device Type
G Pen Hyer
Portable
IO Hornet
Desktop
Heating Type
G Pen Hyer
Conduction
IO Hornet
Convection as an injector, hybrid with conduction as a diffuser
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
IO Hornet
271-338°C (520-640°F) recommended by IO MFG
Chamber Capacity
G Pen Hyer
~0.5g
IO Hornet
0.08g to about 0.2g, around 0.15g for a full draw
Battery Type
G Pen Hyer
External Battery Pack
IO Hornet
None
Charging
G Pen Hyer
USB-C
IO Hornet
None
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
IO Hornet
Set on a separate PID controller, included only in the Complete Kit
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
IO Hornet
316L stainless steel with a Bocote wood handle
Concentrate Support
G Pen Hyer
Yes
IO Hornet
Suited to traditional hash, not built for wax or oil
Choose G Pen Hyer if...
- You want the lower listed entry price ($150 vs $260).
- You prefer a conduction heating profile.
- Your usage leans toward portable and conduction sessions.
Current price
$249.99
at Slick Vapes
Choose IO Hornet if...
- You prefer a convection as an injector, hybrid with conduction as a diffuser heating profile.
- Your usage leans toward desktop and ball vape sessions.
- You prefer IO Hornet's overall feature mix and form factor.
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.
25 differ 0 shared
| Specification | G Pen Hyer | IO Hornet |
|---|---|---|
| Price (USD) | $150 | $260 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Convection as an injector, hybrid with conduction as a diffuser |
| Heat Up Time | — | 3-5 minutes on a 16mm coil, longer on 20mm and 25mm adapters |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 271-338°C (520-640°F) recommended by IO MFG |
| Chamber Capacity | ~0.5g | 0.08g to about 0.2g, around 0.15g for a full draw |
| Battery Type | External Battery Pack | None |
| Battery Capacity | 6000mAh | — |
| Charging | USB-C | None |
| Charge Time | 2.5 - 3 hours | — |
| Power Adjustment | Digital Control - 5 Stage Modular | Set on a separate PID controller, included only in the Complete Kit |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | 316L stainless steel with a Bocote wood handle |
| Concentrate Support | Yes | Suited to traditional hash, not built for wax or oil |
| Brand | Grenco Science | IO MFG |
| Ball Type | — | 100 x 2.5mm lab grown ruby balls |
| Bowl Compatibility | — | Classic DynaVap tips, IO conduction and glass bowls, many third party 14mm bowls |
| Coil Size | — | 16mm, with adapters for 20mm and 25mm coils |
| Display Type | LED Light User Interface | — |
| Haptic Feedback | No | — |
| Heating Element | Stainless Steel | — |
| Joint Size | — | 14mm bowls included, 10mm and 14mm diffusers, 14mm and 22mm injectors |
| Manufacturer | — | IO MFG LLC |
| Release Date | 2022 | 2024 |
| Session Style | Session | On-Demand |
| Warranty | — | None, IO MFG sells the Hornet as is with no express or implied warranty |
Comparison FAQs
What is the biggest difference between the G Pen Hyer and the IO Hornet?
The biggest practical difference is price tier: the G Pen Hyer sits at $150 while the IO Hornet is $260, a gap of about $110 that puts them in different buying brackets.
Which is cheaper, the G Pen Hyer or the IO Hornet?
G Pen Hyer is the cheaper option at $150 compared with $260 for the IO Hornet, about $110 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Hyer and the IO Hornet?
G Pen Hyer uses conduction heating, while the IO Hornet uses convection as an injector, hybrid with conduction as a diffuser. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the G Pen Hyer or the IO Hornet hold more flower?
G Pen Hyer has the larger chamber at ~0.5g, versus 0.08g to about 0.2g, around 0.15g for a full draw on the IO Hornet. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Is the G Pen Hyer or the IO Hornet better for home versus on-the-go use?
G Pen Hyer is the take-anywhere choice. It's a portable, battery-powered unit, while the IO Hornet is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Can I set custom temperatures on the G Pen Hyer or the IO Hornet?
G Pen Hyer controls heat with digital control - 5 stage modular, while the IO Hornet uses set on a separate pid controller, included only in the complete kit. G Pen Hyer gives you finer per-degree control.
Which has a wider temperature range, the G Pen Hyer or the IO Hornet?
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, a wider band than the IO Hornet at 271-338°C (520-640°F) recommended by IO MFG. A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
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