Price (USD)
XMAX Starry 4 edgeDynavap The Unidyn
$129
XMAX Starry 4
$99
XMAX Starry 4 is typically around $30 lower.
Vaporizer Comparison
Dynavap The Unidyn vs XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Dynavap The Unidyn
DynaVap $129
VS
XMAX Starry 4
XMAX $99
Editorial Summary
Dynavap The Unidyn and XMAX Starry 4 are both portable vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $30 below Dynavap The Unidyn. XMAX Starry 4 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
27
Different Specs
25
Shared Specs
2
Overall Overlap
7%
Shared Traits
Portable
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
XMAX Starry 4 edgeDynavap The Unidyn
Depending on the heat source, ~30 seconds
XMAX Starry 4
~15 seconds
XMAX Starry 4 has the quicker listed heat-up profile.
Weight
Dynavap The Unidyn edgeDynavap The Unidyn
14g
XMAX Starry 4
~137g
Dynavap The Unidyn is the lighter listed unit.
Heating Style
Close callDynavap The Unidyn
Convection
XMAX Starry 4
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Dynavap The Unidyn
$129
XMAX Starry 4
$99
Heating Type
Dynavap The Unidyn
Convection
XMAX Starry 4
Conduction
Heat Up Time
Dynavap The Unidyn
Depending on the heat source, ~30 seconds
XMAX Starry 4
~15 seconds
Temperature Range
Dynavap The Unidyn
N/A
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Dynavap The Unidyn
~0.1g
XMAX Starry 4
0.4g
Battery Type
Dynavap The Unidyn
None
XMAX Starry 4
18650
Battery Capacity
Dynavap The Unidyn
N/A
XMAX Starry 4
2550mAh
Battery Life
Dynavap The Unidyn
N/A
XMAX Starry 4
~60 minutes
Charging
Dynavap The Unidyn
N/A
XMAX Starry 4
USB-C
Charge Time
Dynavap The Unidyn
N/A
XMAX Starry 4
~90 minutes
Choose Dynavap The Unidyn if...
- You want the lighter unit for carrying and travel.
- You prefer a convection heating profile.
- Your usage leans toward analog and convection sessions.
Choose XMAX Starry 4 if...
- You want the lower listed entry price ($99 vs $129).
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward conduction and budget sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
25 differ 2 shared
| Specification | Dynavap The Unidyn | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $129 | $99 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | Depending on the heat source, ~30 seconds | ~15 seconds |
| Temperature Range | N/A | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | ~0.1g | 0.4g |
| Battery Type | None | 18650 |
| Battery Capacity | N/A | 2550mAh |
| Battery Life | N/A | ~60 minutes |
| Charging | N/A | USB-C |
| Charge Time | N/A | ~90 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | 109x11x11mm | 115.9 x 37.5 x 24mm |
| Weight | 14g | ~137g |
| Power Adjustment | Manual | Digital (precise) |
| Chamber Material | Titanium | Ceramic |
| Brand | DynaVap | XMAX |
| Adjustable Airflow | Yes | Yes |
| Body Material | Titanium, stainless steel & high heat silicone seals | — |
| Country of Manufacture | United States (USA) | China |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2025 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | — | Session |
| Warranty | Lifetime | 1 year |
Comparison FAQs
What is the biggest difference between the Dynavap The Unidyn and the XMAX Starry 4?
The biggest practical difference is heating approach: Dynavap The Unidyn runs convection while XMAX Starry 4 runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the Dynavap The Unidyn or the XMAX Starry 4?
XMAX Starry 4 is the cheaper option at $99 compared with $129 for the Dynavap The Unidyn, about $30 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Dynavap The Unidyn or the XMAX Starry 4?
XMAX Starry 4 reaches session-ready temperature in ~15 seconds, while the Dynavap The Unidyn takes Depending on the heat source, ~30 seconds. That's roughly 15 seconds quicker on the XMAX Starry 4, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Dynavap The Unidyn and the XMAX Starry 4?
Dynavap The Unidyn uses convection heating, while the XMAX Starry 4 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Dynavap The Unidyn or the XMAX Starry 4 hold more flower?
XMAX Starry 4 has the larger chamber at 0.4g, versus ~0.1g on the Dynavap The Unidyn. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Dynavap The Unidyn or the XMAX Starry 4?
Dynavap The Unidyn is the lighter unit at 14g, around 123g less than the XMAX Starry 4 at ~137g. The lighter device is easier to carry and pocket day-to-day.
Can I swap the batteries on the Dynavap The Unidyn or the XMAX Starry 4?
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The Dynavap The Unidyn has a built-in battery you can't swap on the go.
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