Prices tracked daily across 100+ shops. Last reviewed: March 2026.
PAX Four vs PAX Flow: Conduction vs Hybrid — which new PAX?
PAX Four
from 174 in 66 shops
PAX Flow
from 110 in 111 shops
Technical comparison
| Feature | PAX Four | PAX Flow |
|---|---|---|
| Heating | Conduction | Hybrid |
| Use | Dual-use (herbs + concentrates) | Herbs only |
| Temperature levels | 6 levels + App | Stepless (app) |
| Display | LED matrix | LED display |
| App control | ✓ | ✓ |
| Heating time | ~20s | ~20s |
| Case shape | Wide, classic | Flat, narrow |
| Weight | ~100g | ~90g |
| Warranty | 2 years | 2 years |
| Shops | 66 | 111 |
| Price | from 174 | from 110 |
| Compare shops | 69 | 114 |
PAX Four: The dual-use flagship
The PAX Four is PAX’s newest conduction device – and the first with an LED matrix display.6 temperature levels on the device, dual use (herbs and concentrates with a changeable lid), app control and a revised housing.The Four replaces the PAX Plus as the top model in the conduction line.
Dual-Use is the decisive advantage: one device for two materials without having to buy accessories.The 6 levels on the device make the app optional – not everyone wants to pull out their smartphone for every move.
Disadvantages: Conduction (not hybrid).More expensive than the Flow.Available in fewer stores (66 vs. 111).
→ PAX Four price comparison in 66 shops
PAX Flow: The more aromatic vapor
The PAX Flow is PAX’s first hybrid vaporizer – and therefore the device with the more aromatic vapor.Conduction plus active airflow ensures cooler, more flavorful vapor than the purely conductive Four.Flatter, lighter housing, continuous temperature control via App.
The Flow is available in almost twice as many stores as the Four (111 vs. 66) — which typically means cheaper prices and better availability.No dual use, just herbs – but the best vapor quality of the entire PAX line.
Disadvantages: No dual use.Needs app for stepless control.No LED matrix display.
→ PAX Flow price comparison in 111 shops
Steam quality in comparison
Here the PAX Flow is clearly ahead: The hybrid heating produces cooler, more aromatic steam than the pure conduction of the Four.The difference is particularly noticeable at low temperatures (below 190°C).The PAX Four produces warmer, denser vapor — typical conduction, but less nuanced.
Who should choose which device?
PAX Four: For users who want dual use (herbs + concentrates) in one device, appreciate 6 temperature levels without an app and want to own the latest PAX flagship.
PAX Flow: For users who value vapor quality more than dual use.The Flow delivers the best vapor of all PAX devices — flatter, lighter and available in significantly more shops.
More Comparisons
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Daily Use and Practicality
In everyday use, heat-up time shapes your routine more than any spec sheet suggests. The PAX Flow reaches operating temperature in 25 seconds, while the PAX Four needs 25 seconds. That difference adds up over weeks of daily sessions. Quick morning sessions before work favor the faster device; relaxed evening sessions make the gap irrelevant.
Consider your typical usage pattern. If you vaporize 3-5 times daily, a few seconds per session compound into meaningful time savings. If you have one session per evening, both devices serve equally well. The PAX Flow rewards impulsive, grab-and-go use. The PAX Four rewards users who plan their sessions.
Build Quality and Materials
The PAX Four: Anodized aluminum shell with a polished, minimalist design. PAX devices are designed in San Francisco with a focus on discretion and feel. The finish resists scratches well and the overall impression is premium consumer electronics rather than traditional vaporizer.
The PAX Flow: Anodized aluminum shell with a polished, minimalist design. PAX devices are designed in San Francisco with a focus on discretion and feel. The finish resists scratches well and the overall impression is premium consumer electronics rather than traditional vaporizer.
Battery Strategy in Detail
The PAX Four packs 2800 mAh, the PAX Flow has 2000 mAh. The larger battery does not always mean longer runtime — heating method, chamber size, and usage pattern all affect real-world endurance. Both devices manage 5-8 full sessions on a charge under normal conditions.
Neither has a swappable battery. Both charge via USB-C and support passthrough charging.
Water Pipe Compatibility
The PAX Flow supports water pipes, the PAX Four does not.
Cleaning and Maintenance
Regular cleaning directly affects vapor flavor and device longevity. Both the PAX Four and PAX Flow benefit from weekly isopropyl alcohol soaks of removable parts. Screens and seals are consumable items that should be replaced every few months for optimal performance. A basic cleaning kit consisting of isopropyl alcohol (90 percent or higher), cotton swabs, and pipe cleaners covers most devices.
A clean device delivers noticeably better flavor than a neglected one. Most flavor complaints in online forums trace back to insufficient cleaning rather than device limitations. Residue buildup narrows the vapor path, increases draw resistance, and adds a stale taste. Budget 10 minutes per week for maintenance and both devices will perform at their best for years. Deep cleaning every 2-4 weeks prevents hard-to-remove buildup and keeps the airflow unrestricted.
Long-Term Value and Durability
A vaporizer is a long-term investment. Beyond the purchase price, consider replacement parts, cleaning supplies, and eventual battery degradation. Both offer 2-year warranties.
The resale market for vaporizers is active. Well-maintained devices from reputable brands retain 50-70 percent of their original value after a year. Both the PAX Four and PAX Flow hold their value well due to brand reputation and build quality. Buying a quality device upfront typically costs less than cycling through cheaper alternatives.
Community support also factors into long-term value. Devices with large user bases have better troubleshooting resources, aftermarket accessories, and replacement part availability. Both brands covered here have established communities that make ownership easier over the years.
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Frequently Asked Questions
Is the PAX Four better than the PAX Flow?
Which heats up faster: PAX Four or PAX Flow?
Testing and comparing vaporizers at VapoChecker since 2020. 800+ devices, 274 shops, 51 countries.