Best KaiOS Phones of 2025

Mike Davis
Last Updated: Jan 1, 2025

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KaiOS is a mobile operating system that is specifically designed for feature phones. It is a lightweight operating system that requires minimal hardware resources and is optimized for 4G networks. KaiOS phones offer a range of features including access to popular apps such as WhatsApp, YouTube, and Google Maps. They also come with advanced features such as voice recognition and support for 4G LTE networks. KaiOS phones are a great option for those who want a reliable and affordable mobile device that offers a range of features without the complexity of a smartphone.

At a Glance: Our Top Picks

#TOP 1
Nokia 2780 Flip | Unlocked
ftb score rating icon9.9
#TOP 2
Nokia 6300 4G | Unlocked | Dual SIM
ftb score rating icon9.8
#TOP 3
Nokia 6300 4G Phone
ftb score rating icon9.6

Top 5 KaiOS Phones

#TOP 1

Nokia 2780 Flip | Unlocked

TA-1420
Blue
Nokia 2780 Flip | Unlocked | KaiOS | Verizon, AT&T, T-Mobile | Blue
ftb score rating icon9.9
FTB Score

The Nokia 2780 Flip is a 4G enabled flip phone that works with all carriers including Verizon, AT&T, Boost, Cricket, H2O Wireless, Metro, Net10, Simple Mobile, and T-Mobile. It has a functional flip design, up to 18 days of standby time, and enhanced accessibility features such as bigger buttons, hearing aid compatibility, and real-time text (RTT). Customers have found the phone to be great in terms of signal, calls, and software. However, they have noted that the phone lacks voice command and voice to text, and that the hotspot feature is hard to find.

What We Like
Works with all carriers
Functional flip design
Up to 18 days of standby time
Enhanced accessibility features
Good signal, calls, and software
#TOP 2

Nokia 6300 4G | Unlocked | Dual SIM

TA-1324
Light Charcoal
Dual SIM
Nokia 6300 4G | Unlocked | Dual SIM | WiFi Hotspot | Social Apps | Google Maps and Assistant | Light Charcoal
ftb score rating icon9.8
FTB Score

The Nokia 6300 4G is a bar-style phone with a 4:3 aspect ratio and a maximum display resolution of 240 x 320 pixels. It has 4G and WiFi connectivity, allowing you to stream what you like, when you like on YouTube. It also has Google Maps and Assistant, as well as social apps like WhatsApp and Facebook. The device works with all GSM carriers, and is designed for smooth performance and signature durability.

What We Like
4G and WiFi connectivity
Google Maps and Assistant
Social apps like WhatsApp and Facebook
Designed for smooth performance and signature durability

Nokia 6300 4G Phone

TA-1307
Light Charcoal
Single SIM
Nokia 6300 4G | Unlocked | International | WiFi Hotspot | Social Apps | Google Maps and Assistant | Light Charcoal
ftb score rating icon9.6
FTB Score

The Nokia 6300 4G is designed to enhance your communication experience. With its single SIM capability, you can easily connect with GSM carriers. Enjoy streaming your favorite content on YouTube while staying connected with friends through WhatsApp and Facebook. The device also acts as a WiFi hotspot, allowing you to share your internet connection effortlessly. Plus, with Google Assistant, you can quickly get answers, make calls, or organize your schedule, making everyday tasks more convenient. This phone combines functionality with the durability Nokia is known for.

What We Like
4G LTE connectivity
WiFi hotspot feature
Access to social apps
Google Assistant integration
Durable design
#TOP 4

Alcatel GO FLIP 3

Plum
ALCA4052z
Black
Alcatel Flip 3 4052z Metro Unlocked ATT Tmobile
ftb score rating icon9.4
FTB Score

The Alcatel GO FLIP offers a user-friendly experience with its 2.8-inch internal display, perfect for viewing emails and text messages at a glance. You can see who's calling without opening the phone, thanks to the handy 1.44-inch external display. With KaiOS 2.5 and integrated Google Assistant, you can effortlessly manage tasks, make calls, and find information using just your voice. The device features large tactile keys and is compatible with hearing aids, making it accessible for everyone. Additionally, with a quad-core processor and expandable memory, you can enjoy reliable performance and productivity throughout your day.

What We Like
Compact design
Voice-activated assistance
Accessible features
Expandable memory
#TOP 5

Guardian Phone Independence Cell Phone

Guardian Phone
A1776
Black
Independence Cell Phone for Seniors, Basic Easy to Use Mobile with Large Screen & Buttons for Elderly, Emergency Button Perfect for Alzheimer's & Dementia Patients
ftb score rating icon9.4
FTB Score

The Guardian Phone for Seniors is designed with elderly users in mind. The 911 Help Now button allows you to quickly contact emergency services, providing peace of mind in urgent situations. With its large 3.2-inch flip screen and oversized buttons, making calls becomes effortless, ensuring that you can stay connected without frustration. The incoming call illumination feature helps you see when someone is calling, preventing missed connections. Additionally, Google Assist voice command lets you operate the phone hands-free, making it easier to send messages or make calls with just your voice.

What We Like
Emergency assistance button
Large, easy-to-read display
Voice command capability
Illuminated call notifications
Buying Guide Image

The Right KaiOS Phones for You

Factors to Consider when Choosing a KaiOS Phone

  • Compatibility and Network Support

When selecting a KaiOS phone, ensure that it is compatible with your preferred network provider. Check for compatibility with 4G/LTE networks to ensure faster internet speeds and better call quality.

  • Performance and Hardware

Consider the phone's processor, RAM, and storage capacity. A faster processor and higher RAM will offer smoother performance and multitasking capabilities. Sufficient storage space is essential for installing apps and storing media files.

  • Battery Life

Look for a KaiOS phone with a long-lasting battery. A phone with a larger battery capacity will provide extended usage time, allowing you to stay connected for longer periods without frequent recharging.

  • Display and Size

Consider the display size and resolution that suits your preferences. A larger screen size will offer a better viewing experience, while a higher resolution ensures sharper and more vibrant visuals.

  • App Availability

Check the availability of popular apps on the KaiStore, as this will determine the phone's functionality. Look for essential apps like WhatsApp, Facebook, YouTube, and Google Maps to ensure a well-rounded user experience.

By considering these factors, you can find the best KaiOS phone that meets your specific needs and offers a seamless mobile experience.

Frequently Asked Questions (FAQs)

1. What phones use KaiOS?

Some of the phones that use KaiOS include Alcatel Go Flip 4, TCL Flip Pro, Nokia 2720 Flip, Nokia 2760 Flip, Nokia 2780 Flip, Nokia 6300 4G, Nokia 800 Tough, and CAT B35.

2. Is KaiOS an Android phone?

No, KaiOS is not an Android phone. It is an operating system specifically designed for phones with keypads and keyboards. It is a middle ground between Android/iOS and older flip phones, offering more functionality than traditional flip phones.

3. What is the difference between KaiOS and Android?

KaiOS differs from Android in several ways. KaiOS requires less memory, only 256 MB, while Android requires more. Additionally, KaiOS has an HTML5-based application store, unlike Android's Java-based software. This makes it unique and optimized for low-powered feature phones.

4. Can I install Android apps on KaiOS?

No, KaiOS does not support Android apps. Android apps need to be adapted into HTML5-based apps to run on the KaiOS platform.

5. Can I install KaiOS on any phone?

No, KaiOS is specifically designed for feature phones with low-power hardware and long battery life. It supports modern connectivity technologies like 4G LTE, VoLTE, GPS, and Wi-Fi. It runs HTML5-based apps.

6. What are the advantages of KaiOS?

KaiOS offers several advantages, such as longer battery life due to its optimized interface, wireless updates via OTA, and the ability to run on devices with only 256 MB of memory. It provides a lightweight and efficient operating system for feature phones.

7. Does KaiOS have Google?

KaiOS has a few apps from Google, including WhatsApp, but it is otherwise limited in terms of Google apps. It is a mobile operating system that differs from Google's Android and Apple's iOS.

Editor's Notes

During our kaios phone research, we found 25 kaios phone products and shortlisted 5 quality products. We collected and analyzed 22,886 customer reviews through our big data system to write the kaios phones list. We found that most customers choose kaios phones with an average price of $52.72.

The kaios phones are available for purchase. We have researched hundreds of brands and picked the top brands of kaios phones, including Nokia, Plum, Guardian Phone. The seller of top 1 product has received honest feedback from 4,301,332 consumers with an average rating of 4.5.

Written by

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.