Pura 3 vs Pura 4 – Check Which One Is Best & Why?

Pura 4 & Pura 3 share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Pura 4 rather than the Pura 3.

Table Of Contents hide

1 Why Do I Recommend The Pura 4?

2 Side-by-Side Comparison

3 What Common Both Can Do?

4 Common Features

Why Do I Recommend The Pura 4?

The Pura 4 has 802.11 b/g/n Wi-Fi connectivity for more stable network performance and reduced connection dropouts during remote control usage, while the Pura 3 uses 802.11 b/g Wi-Fi connectivity.
Pura 4 supports Bluetooth 4.2 BR/EDR + BLE for faster device pairing and improved short-range communication reliability, whereas the Pura 3 uses Bluetooth 4.0 BLE.
It features five adjustable scent intensity levels for finer control over fragrance strength in differently sized rooms, while the Pura 3 includes three intensity levels.
The Pura 4 comes with 15-minute scheduling increments for more precise daily automation and timing customization, while the Pura 3 supports 30-minute scheduling increments.
Pura 4 includes a dual-axis spill detection sensor for enhanced protection against leaks and internal damage, whereas the Pura 3 uses a single-axis spill detection sensor.
It supports both standard and extended fragrance vial formats for broader scent compatibility and future cartridge expansion, while the Pura 3 supports standard fragrance vials only.
The Pura 4 has three LED indicator zones for clearer visual status feedback and customizable lighting control, while the Pura 3 features a single LED indicator zone.
Pura 4 features an operating temperature range of 5°C to 40°C for more flexible placement in varied indoor environments, whereas the Pura 3 operates within a 10°C to 35°C temperature range.

Maybe the Pura 3 can make you comfortable because it’s a little bit cheaper than the Pura 4. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.

Check Pura 4 Best Price

Check Pura 3 Best Price

Side-by-Side Comparison

Feature	Pura 4	Pura 3
Power Consumption (Watts)	10 W	8 W
Wi-Fi Standard	802.11 b/g/n	802.11 b/g
Bluetooth Version	v4.2 BR/EDR + BLE	v4.0 BLE
Cartridge Detection	Auto vial detection	Manual vial recognition
Supported Cartridge Format	Standard & extended	Standard only
LED Indicator Zones	3 zones	1 zone
Diffusion Intensity Levels	5 levels	3 levels
Operating Humidity Range	10%–80% RH	20%–70% RH
Noise Level (dB)	28 dB	30 dB
App Response Latency	≤ 150 ms	≤ 300 ms
Smart Home Protocols	Wi-Fi + Bluetooth + Home integration	Wi-Fi + Bluetooth only
Firmware Update Frequency	Monthly	Quarterly
Housing Material	ABS + PC polymer	ABS plastic
Airflow Path Type	Spiral micro-channel	Straight micro-channel
Spill Detection Sensor	Dual-axis	Single-axis
Travel Lock Feature	Yes	No
Reset Method	One-button quick reset	Long-hold reset
Price	Check Pura 4 Price	Check Pura 3 Price

What Common Both Can Do?

Dual Fragrance Vial System: Both diffusers support two fragrance vials simultaneously, allowing users to switch between scents without physically swapping cartridges. This provides flexibility in scent customization and makes it easy to alternate fragrances throughout the day.
App Control (iOS & Android): Each model connects to the Pura mobile app for remote management. Users can adjust intensity, schedules, and fragrance selection directly from their smartphone.
Adjustable Scent Intensity: Both units allow users to control scent strength levels. This helps tailor fragrance output based on room size and personal sensitivity.
Custom Scheduling: Each diffuser supports programmable schedules. Users can automate scent release according to daily routines, such as mornings, evenings, or weekends.
Wi-Fi Connectivity (2.4 GHz): Both devices connect to 2.4 GHz Wi-Fi networks. This ensures stable cloud communication and remote control access from anywhere.
Bluetooth Pairing: Initial setup and device pairing are handled via Bluetooth on both models. This simplifies installation and speeds up the onboarding process.
Automatic Shutoff: Both include safety-based automatic shutoff mechanisms. This helps prevent overheating or unintended continuous operation.
Night Light / LED Glow: Each diffuser features built-in LED lighting. Users can use the soft glow as a subtle night light or disable it entirely through the app.
Away Mode: Both models include an away or pause function. This allows users to temporarily suspend fragrance diffusion when not at home.
Child Lock: Each diffuser includes a lock feature within the app. This prevents unintended changes to settings.
Voice Assistant Compatibility: Both units integrate with major smart home assistants. Users can adjust settings or turn the diffuser on or off using voice commands.
Plug-In Wall Design: Each diffuser plugs directly into a wall outlet. This compact design eliminates the need for countertop space.
Replaceable Fragrance Vials: Both support interchangeable fragrance cartridges. Users can choose from a wide scent library and replace vials as needed.
Over-the-Air Firmware Updates: Both models receive software updates remotely. This allows performance refinements and feature adjustments without replacing hardware.
Scent Swap via App: Users can digitally toggle between installed fragrances in the app. This eliminates the need to physically handle the unit for scent switching.
Timer-Based Operation: Each diffuser can operate based on preset time durations. This ensures fragrance release aligns with preferred usage periods.
Safe for Pets (when used as directed): Both models are designed to diffuse fragrances in a controlled manner according to usage guidelines. This supports safe household use when following manufacturer recommendations.
Home Scent Customization: Each diffuser supports personalized scent profiles and scheduling combinations. This enables users to create different fragrance atmospheres throughout the day.

Check Pura 4 Best Price

Check Pura 3 Best Price

Common Features

Feature	Pura 4	Pura 3
Dual Fragrance Vial System	Yes	Yes
App Control (iOS & Android)	Yes	Yes
Adjustable Scent Intensity	Yes	Yes
Custom Scheduling	Yes	Yes
Wi-Fi Connectivity (2.4 GHz)	Yes	Yes
Bluetooth Pairing	Yes	Yes
Automatic Shutoff	Yes	Yes
Night Light / LED Glow	Yes	Yes
Away Mode	Yes	Yes
Child Lock	Yes	Yes
Voice Assistant Compatibility	Yes	Yes
Plug-In Wall Design	Yes	Yes
Replaceable Fragrance Vials	Yes	Yes
Over-the-Air Firmware Updates	Yes	Yes
Scent Swap via App	Yes	Yes
Timer-Based Operation	Yes	Yes
Safe for Pets (when used as directed)	Yes	Yes
Home Scent Customization	Yes	Yes
Price	Check Pura 4 Price	Check Pura 3 Price

FAQ

What is the main difference between Pura 4 and Pura 3?
The Pura 4 uses a newer internal hardware platform with expanded connectivity support and additional control refinements, while the Pura 3 runs on the previous-generation platform with standard wireless and scheduling capabilities. Both function similarly in daily use, but Pura 4 includes broader compatibility and more granular controls.

Do Pura 4 and Pura 3 use the same fragrance refills?
Both Pura 4 and Pura 3 use Pura’s dual fragrance vials, allowing two scents to be installed at the same time. Most standard Pura fragrances are compatible with both models.

Can both devices be controlled with a smartphone app?
Yes, Pura 4 and Pura 3 connect to the Pura app on iOS and Android. Through the app, users can adjust scent intensity, create schedules, switch between fragrances, and manage lighting.

Do Pura 4 and Pura 3 support voice assistants?
Both devices integrate with major smart home ecosystems that allow voice control for basic commands such as turning the diffuser on or off or adjusting intensity levels.

Is scheduling available on both models?
Yes, both Pura 4 and Pura 3 allow users to set custom schedules for fragrance release. Users can automate scent diffusion based on time of day and personal routines.

Do both diffusers allow intensity adjustment?
Both models provide adjustable scent intensity levels through the app. This allows users to tailor fragrance strength depending on room size or sensitivity.

Can I switch between two scents without removing the device?
Yes, both Pura 4 and Pura 3 support dual-vial installation and allow users to switch between scents directly in the app. Physical removal is not required to alternate between installed fragrances.

Do the devices work without Wi-Fi?
Initial setup requires connectivity, and most advanced controls depend on Wi-Fi. However, once configured, both devices can maintain basic operation according to previously saved schedules.

Are Pura 4 and Pura 3 safe for homes with pets?
Both diffusers are designed to disperse fragrance in controlled amounts when used as directed. Following manufacturer guidelines ensures safe use in homes with pets.

Do both models include a night light feature?
Yes, both Pura 4 and Pura 3 include built-in LED lighting that can function as a subtle night light. The brightness can be adjusted or turned off through the app.

How are firmware updates handled on both devices?
Both Pura 4 and Pura 3 receive over-the-air firmware updates through the Pura app. This allows feature adjustments and performance updates without replacing the hardware.

Is installation complicated for either model?
Installation is straightforward for both devices, as each plugs directly into a standard wall outlet. Setup is completed through the app with guided pairing instructions.

Do both diffusers support away or pause modes?
Yes, both models include the ability to pause fragrance diffusion remotely. This feature is useful when leaving home for extended periods.

Can I use these diffusers in large rooms?
Both Pura 4 and Pura 3 are designed for standard residential room coverage. Effectiveness may vary based on room size, airflow, and selected intensity settings.

Are the dimensions of Pura 4 and Pura 3 the same?
The two models differ in size and overall housing design, with Pura 4 featuring a revised enclosure compared to Pura 3. Despite the dimensional differences, both maintain a plug-in wall format suitable for home use.