Best phone cooler in 2025

Today’s smartphones have performance-hungry apps like 4K video editing and ultra-fast processors for top-quality gaming. However, having all these features doesn’t mean your smartphone needs to turn into a mini heater. Overheating is a common problem that can throttle your device's performance. Phone coolers are engineered to stop that.
Phone coolers are pocket-sized devices that draw out excess heat and cool your phone under pressure. They help regulate your phone’s temperature, preventing it from crashing in crucial moments and preserving your battery health.
The Cybernews research team and I have compiled a list of the best phone cooler brands on the market. To create my list, I ensured they met stringent performance criteria, value for money, and reliability.
Best phone coolers – shortlist
- Black Shark 4 Pro – best phone cooler overall
- Nubia 5 Pro – best for gaming performance
- Nubia 6 Pro – best for extreme cooling efficiency
- Torras Polarcircle Qi2 – best iPhone cooling fan
- Trilink – best for budget-conscious users
- Nubia 6 – best for mobile streamers
- Ulanzi Sk-10 – best for ultra-quiet operation
The best phone cooler compared
Here’s a comparison table of all the key features you need to know before choosing a mobile cooler for your needs.
Model | Color | Material | Dimensions | Cooling time | Best for |
Black Shark 4 Pro | Black | Plastic | 3.9" x 7.13" x 1.71" | 30s | Overall best and for quick cooldowns |
Nubia 5 Pro | Silver | Aluminium, Plastic | 2.6" x 2.32" x 1.1" | 10s | Gaming performance |
Nubia 6 Pro | Silver | Graphene, Aluminium, Silicone | 2.36" x 2.36" x 1.18" | 5s | Extreme cooling efficiency |
Torras PolarCircle Qi2 | Black | Plastic, Metal | 2.42" x 1.07" x 2.42" | Not specified | iPhone cooling fan |
Trilink | Not specified | Plastic, Metal | 5.31" x 4.5" x 5.5" | Not specified | Budget-conscious users |
Nubia 6 | Silver | Plastic, Metal | 1.18" x 2.3" x 3" | 10s | Mobile streamers |
Ulanzi SK-10 | Black | ABS, PC, Aluminium Alloy | 2.68" x 1.1" x 1.1" | Not specified | Ultra-quiet operation |
7 best phone coolers – our detailed list
In this section, I highlight each phone cooler's main features, strengths, and weaknesses on my list to help you make an informed decision.
1. Black Shark 4 Pro – best overall and for quick cooldowns
- Price: Budget
- Dimensions: 3.9" x 7.13" x 1.71"
- Cooling time: 30s
- Best for: Overall best for quick cooldowns
The Black Shark 4 Pro is the best phone cooler on my list. Its thermoelectric cooling chip rapidly decreases the temperature of your phone in 30 seconds or less.
The mobile cooler also has smart temperature control that uses sensors to monitor your phone’s temperature and ensure the fan operates efficiently. You can control it via the Shark Arsenal app. Its magnetic attachment design directs heat away from your hands to prevent discomfort.
2. Nubia 5 Pro – best for gaming performance
- Price: Mid-range
- Dimensions: 2.6" x 2.32" x 1.1"
- Cooling time: 10s
- Best for: Gaming performance
If you constantly play games that test your phone’s processors, I highly recommend the Nubia 5 Pro. It uses enhanced 5th-generation cooling technology to dispel heat effectively.
But that’s not all. This cell phone cooler also has a high-speed seven-blade fan that increases airflow efficiency and TEC refrigeration technology that offers a 50% increase in cooling effect. It's also quiet, so you don't have to worry about noise disruption when gaming.
3. Nubia 6 Pro – best for extreme cooling efficiency
- Price: Expensive
- Dimensions: 2.56" x 2.32" x 1.10"
- Cooling time: 5s
- Best for: Extreme cooling efficiency
The Nubia 6 Pro is one of my list's best phone cooler brands because it provides powerful phone cooling in less than five seconds and consistently provides 24W of power.
One prominent feature of this mobile cooler is that its combination of graphene and aluminum gives it a 54% higher thermal conductivity than if it were made only of aluminum. It also has AI temperature control to adjust the fan speed automatically based on temperature.
4. Torras Polarcircle Qi2 – best iPhone cooling fan
- Price: Mid-range
- Dimensions: 2.42" x 1.07" x 2.42"
- Cooling time: Not specified
- Best for: iPhone devices
The Torras PolarCircle Qi2 is an ideal option for iPhone users. Its unique Tora-ice technology prevents your phone from overheating or performance throttling.
It is compatible with various devices, such as the latest iPhone 13-16 series and the Samsung Galaxy S24-S25 series. This iPhone cooler also features 15W fast charging, ensuring consistent performance while gaming or surfing on your phone.
5. Trilink – best for budget-conscious users
- Price: Budget
- Dimensions: 5.31" x 4.5" x 5.5"
- Cooling time: Not specified
- Best for: Budget-conscious users
Trilink offers the best level of functionality for anyone looking to improve their performance without breaking the bank. It uses advanced semiconductor refrigerator cooling to dissipate heat in seconds.
The Trilink smartphone cooler has a rechargeable and removable battery that can be charged when it’s low on power. It is compatible with phones between 4.5 and seven inches and shows real-time temperature data.
6. Nubia 6 – best for mobile streamers
- Price: Mid-range
- Dimensions: 1.18" x 2.3" x 3"
- Cooling time: 10s
- Best for: Mobile streamers
The Nubia 6 provides speedy cooling performance for long periods, making it especially suitable for streamers. It can cool your phone to 0°C in 10 seconds or less in a 25°C environment.
It also has a built-in AI sensor that adjusts the speed and power, which you can control via the Goper app. The retractable clip design expands to fit your phone, and silicone pads prevent scratches.
7. Ulanzi Sk-10 – best for ultra-quiet operation
- Price: Budget
- Dimensions: 2.68" x 1.1" x 1.1"
- Cooling time: Not specified
- Best for: Ultra-quiet operation
The Ulanzi SK-10 is a phone cooling fan that uses a semiconductor chip cooling system to dissipate heat and maintain safe device temperatures. It operates at 27dB, one of the lowest ultra-quiet models on the market.
It supports 15W max wireless charging and 7.5W for iPhones. It also has an all-in-one design with a cooling fan, wireless charging, and an adjustable stand. The Ulanzki Sk-10 is also Mag-Safe compatible for iPhone 12-16.
How did we select the best phone coolers?
Before curating my list of the best phone cooler brands, I researched extensively, combining expert analysis, user reviews, and technical specifications.
- Performance (30%). I determined how effectively and quickly they cool your smartphone’s temperature in real-world situations.
- Portability (25%). I ensured that any phone cooler I added to my list met the size and ease of attachment criteria and are convenient for everyday use wherever you go.
- Compatibility (20%). I focused on phone coolers that work well with various smartphone models. I also considered how they accommodate thick phone cases and offer different mounting options, such as clip-ons and magnetic attachments.
- Noise level (25%). I analyzed fan noise to ensure I shortlisted models with ultra-quiet operations that don’t interfere with streaming or gaming.
What is a phone cooler and how does it work?
A phone cooler is a small device designed to cool down and manage your phone’s temperature. It helps preserve your battery life, reduce damage to internal components, and prevent slowdowns when handling intensive tasks like gaming.
There are two primary types of phone coolers: passive and active coolers:
- Passive coolers. These mobile coolers are compact and require no power source. They usually consist of materials with high thermal conductivity or heat-dissipating pads that absorb and direct heat into the surrounding atmosphere. They suit casual phone use or light gaming with moderate heat buildup.
- Active coolers. They offer more powerful cooling using mechanical components such as thermic devices or mini fans to create airflow that lowers the phone’s temperature. They are ideal for high-performance events like gaming or 4K video recording
Passive coolers are quieter and provide steady and gentler cooling. However, active coolers provide superior cooling efficiency but consume more power and may be noisier.
Why does your phone get hot?
There are many reasons why your phone gets hot, but let’s examine the most prominent ones.
- Intensive gaming or apps. Running demanding games or applications on your phone pushes its CPU and GPU components to work twice as hard, causing it to heat up quickly.
- Charging while using. The combined strain of charging your phone while using it simultaneously increases power consumption and leads to extra heat buildup. This highlights how important it is to maintain temperatures when multitasking.
- Poor ventilation. Heat gets trapped around your phone if you keep it somewhere with limited airflow, as poor ventilation prevents natural cooling.
- Environmental conditions. The high ambient temperature from direct sunlight will likely cause your phone to overheat.
Getting a phone fan cooler can prevent overheating and its adverse effects. It can also ensure your phone performs optimally even in the worst heat.
How to cool down your phone quickly?
Using a phone cooler fan to lower your phone’s temperature can ensure it performs optimally and preserve your hardware. So, if your phone is overheating, here’s how to make your phone cooler.
- Remove the case. If your phone case is thick or insulated, it can trap heat and limit airflow around your device. Removing the case will help your phone cool down quicker.
- Turn off unused apps. Leaving your apps running in the background consumes too much power and generates heat. Closing them reduces the load on your CPU, lowering heat levels.
- Enable airplane mode. Turning on airplane mode on your phone prevents heat generation by temporarily decreasing the load caused by network activities like cellular activities and Wi-Fi.
- Avoid direct sunlight. Exposure to sunlight or leaving it on hot surfaces can also accelerate your phone’s temperature. Try placing your phone in shady or cool environments.
- Use a phone cooler. Using a mobile cooler is one of the fastest ways to lower your phone’s heat level. It actively lowers phone temperature levels using cooling fans to ensure you enjoy gaming, multitasking, or streaming.
Tips to prevent your phone from overheating
Even after getting a cooling fan for your phone, here are some pointers to prevent your phone from overheating and maintain its longevity.
- Keep apps updated. Updating apps regularly ensures you're using the most optimized versions. Developers often include updates that efficiently manage CPU usage and prevent your phone from heating up.
- Monitor battery usage. Most apps are battery-consuming, and some more than others. It's essential to constantly monitor and identify power-hungry apps and close them immediately after use.
- Avoid high brightness levels. High screen brightness is one of the fastest ways to increase your phone’s temperature. Try keeping your screen brightness low or enabling the auto-adjust setting to prevent it from generating heat.
- Consider phone cooling apps. These apps act as a cooler for phone devices and are designed to manage the phone’s temperature automatically. They close background apps and adjust settings to keep your device cool.
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Final word on the best phone cooler
Choosing the right smartphone cooler can make all the difference. The best phone cooler brands prevent overheating, preserve battery life, and reduce thermal throttling. So, it's essential to always consider your specific needs before deciding.
My extensive research has shown that the best phone cooler in 2025 is Black Shark 4 Pro. Black Shark has a powerful thermoelectric cooling chip that can cool your device in 30 seconds or less. It also operates ultra-quietly, is compatible with various devices, and offers excellent value for money.
- Price: Budget
- Dimensions: 3.9" x 7.13" x 1.71"
- Cooling time: 30s
- Best for: Overall best for quick cooldowns
Before creating my list of cell phone cooler brands, I ensured that each model I added met real-world performance and reliability criteria.
FAQ
Do phone coolers really work?
Yes, phone coolers work. They effectively lower your device’s temperature to ensure optimal performance. Passive coolers absorb and redirect heat moderately, while active coolers use mini fans or thermoelectric devices to provide more powerful and speedy cooling.
Can a phone cooler damage my phone?
A low-quality phone cooling fan or an incompatible attachment can damage your phone. However, to counter this, choose reputable brands and follow the manufacturer’s guidelines on how to use them safely and the recommended attachments. When used correctly, they focus on their primary aim: to prevent your phone from overheating.
What’s the difference between passive and active phone coolers?
Passive coolers use thermal-conducting materials that dissipate heat without moving parts or power. Active coolers rely on a power source and use mini fans or thermoelectric devices to actively clear heat through cooling modules or airflow.
Can I use a phone cooler with any smartphone?
While most phone coolers are designed to be compatible with various devices, some have magnetic attachments or size limitations. It’s essential to always read the product’s specifications to determine if it is compatible with your device, especially if you have a non-standard phone size or a thick phone case.