Price (USD)
Close callCAT
$199
Hydrology9
$199
Pricing is very close between both devices.
Vaporizer Comparison
CAT vs Hydrology9
Side-by-side specs, pricing context, and clear decision guidance.
CAT
End Game Labs $199
VS
Hydrology9
Cloudious9 $199
Editorial Summary
CAT and Hydrology9 are both electronic vaporizers, but they target different priorities. Their listed prices are close ($199 vs $199). CAT has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
22
Different Specs
20
Shared Specs
2
Overall Overlap
9%
Shared Traits
Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
CAT edgeCAT
~30 seconds
Hydrology9
~1 minute
CAT has the quicker listed heat-up profile.
Heating Style
Close callCAT
Convection
Hydrology9
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Heating Type
CAT
Convection
Hydrology9
Conduction
Heat Up Time
CAT
~30 seconds
Hydrology9
~1 minute
Temperature Range
CAT
Up to 230°C
Hydrology9
250°F-430°F
Battery Type
CAT
Swappable 21700
Hydrology9
Internal
Battery Capacity
CAT
4000mAh
Hydrology9
2000mAh
Charging
CAT
USB-C
Hydrology9
Micro USB
Charge Time
CAT
~2.5 hours
Hydrology9
~2 hours
Dimensions
CAT
104x60x33mm
Hydrology9
~4.5 x ~17.5cm
Power Adjustment
CAT
Digital Control
Hydrology9
Modular - 5 stage
Brand
CAT
End Game Labs
Hydrology9
Cloudious9
Choose CAT if...
- You care about faster heat-up time for quicker sessions.
- You prefer a convection heating profile.
- Your usage leans toward portable and convection sessions.
Choose Hydrology9 if...
- You prefer a conduction heating profile.
- Your usage leans toward desktop and conduction sessions.
- You prefer Hydrology9's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
20 differ 2 shared
| Specification | CAT | Hydrology9 |
|---|---|---|
| Price (USD) | $199 | $199 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~1 minute |
| Temperature Range | Up to 230°C | 250°F-430°F |
| Chamber Capacity | — | ~0.5 grams |
| Battery Type | Swappable 21700 | Internal |
| Battery Capacity | 4000mAh | 2000mAh |
| Battery Life | ~50 minutes | — |
| Charging | USB-C | Micro USB |
| Charge Time | ~2.5 hours | ~2 hours |
| Dimensions | 104x60x33mm | ~4.5 x ~17.5cm |
| Weight | 200g | — |
| Power Adjustment | Digital Control | Modular - 5 stage |
| Chamber Material | — | Ceramic |
| Brand | End Game Labs | Cloudious9 |
| Haptic Feedback | Yes | — |
| Joint Size | 14mm / 18mm | — |
| Release Date | — | 2017 |
| Session Style | Both | Session |
| Warranty | 1 year | 2 years |
| Water Filtration | — | Yes |
Comparison FAQs
What is the biggest difference between the CAT and the Hydrology9?
The biggest practical difference is heating approach: CAT runs convection while Hydrology9 runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which heats up faster, the CAT or the Hydrology9?
CAT reaches session-ready temperature in ~30 seconds, while the Hydrology9 takes ~1 minute. That's roughly 30 seconds quicker on the CAT, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the CAT and the Hydrology9?
CAT uses convection heating, while the Hydrology9 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is cheaper, the CAT or the Hydrology9?
Listed prices are close: $199 for the CAT versus $199 for the Hydrology9. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I swap the batteries on the CAT or the Hydrology9?
CAT uses swappable 21700, so you can carry spares for back-to-back days. The Hydrology9 has a built-in battery you can't swap on the go.
Can I set custom temperatures on the CAT or the Hydrology9?
CAT controls heat with digital control, while the Hydrology9 uses modular - 5 stage. CAT gives you finer per-degree control.
Which charges faster, the CAT or the Hydrology9?
Hydrology9 fully charges in ~2 hours, ahead of ~2.5 hours on the CAT.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.