AZSoft Technology Inc.
4.2 
Category: Tools
Price: free
Age Rating: Everyone
Rating: 4.2
Available on: /
Updated on: Jun 14, 2026
Big Font offers a range of customizable settings to ensure that your text looks just the way you want it. From bold options to different font styles, you can personalize your reading experience to match your unique taste and enhance visibility while maintaining aesthetic appeal.
With Big Font, changing the font size on your device is a breeze. Simply slide the adjustable bar to find the perfect size that suits your reading preferences, making it easier to view text in apps, messages, and web pages without straining your eyes.
This app is designed to work seamlessly across various platforms and applications. Whether you're browsing the web, reading emails, or using social media, Big Font ensures that your font size preferences are applied universally, so you can enjoy consistent readability wherever you go.
Navigating Big Font is simple and intuitive, making it accessible for users of all ages. The clean layout and straightforward controls allow you to adjust settings quickly, ensuring that you can focus on what really matters—enjoying your content without the hassle of tiny text.
Enhances readability for those with vision challenges Reduces eye strain during prolonged reading sessions Improves accessibility for all age groups Facilitates quick scanning of important information Boosts focus by minimizing distractions in text 
Limited text visibility on smaller screens Reduces overall information density Can disrupt design aesthetics and layout May hinder text flow and readability Big Font is designed to cater to a wide range of users who require larger text for enhanced readability. Whether you are an older adult struggling with small print or someone who simply prefers a more accessible interface, this app proves to be invaluable. Users can apply larger font sizes across various applications, including messaging platforms, web browsers, and even settings menus. This versatility allows individuals with visual impairments or those who need larger text for comfort to enjoy their devices without compromising on usability. Additionally, it is an excellent tool for anyone who spends a significant amount of time reading on their mobile devices, making it easier to engage with content without straining the eyes.
The user experience of Big Font is commendable, with a straightforward interface that even the least tech-savvy individuals can navigate easily. Upon launching the app, users are greeted with a clean layout where they can quickly select their desired font size. The real-time preview feature is particularly helpful, allowing users to see how the changes will affect their device’s appearance before applying them. The app runs smoothly without any noticeable lag, ensuring that changes take effect promptly. Users have reported that the font adjustments positively impact their overall interaction with their devices, enhancing readability in various contexts, from social media to reading articles. The ability to customize font sizes to personal preferences adds a layer of personalization that users appreciate.
Big Font operates on a freemium model, allowing users to access basic features at no cost. For those who desire additional functionalities, there are premium options available at a reasonable price. This flexible pricing structure ensures that users can experiment with the app without any financial commitment, making it accessible to a broader audience. The premium version unlocks enhanced features, such as even larger font sizes and additional customization options, providing users with a more tailored experience. Considering the significance of accessibility, the pricing is justified, especially for those who rely on larger fonts for daily use.
Big Font is regularly updated to improve its features and fix any bugs, demonstrating the developers’ commitment to enhancing user satisfaction. Users can expect to see new updates that may introduce additional font styles and further customization options. Support is also readily available, with a dedicated help section within the app that provides answers to frequently asked questions and troubleshooting tips. For more complex issues, users can directly contact customer support, which is responsive and helpful. This level of support ensures that users can make the most of the app without facing prolonged issues, contributing to an overall positive experience.
Security & Privacy Review
Google Play 
App Store 
I have a lifetime plan to one of your other apps and I happened to run across this through that app. I'm not seeing what font it increases. I haven't seen a font size increase anywhere. Not on my home screen, not in my text messages, not in any of my apps. maybe I'm doing something incorrectly? it has a notification in the notification bar and I have it set to 180%.
Big Font is a big hit with me! I often switch between using my phone up close and at a distance, and Big Font's included widget (in-app purchase required, which I was more than happy to buy) makes switching text sizes on-the-fly easier than on iPhone! I absolutely would buy again! (Now if only the widget looked a little nicer and the app's interface had some careful, Material Design thought given to it, it would earn that fifth star. . . .)
Does what it says very well. Allows you to change system font size beyond what is available through the Settings app. ADVANCED: If you have ADB, you can also use this app to change the system zoom ratio (requires WRITE_SECURE_SETTINGS permission). My new Samsung would only zoom down to 88%. I wanted to set it 75%, and this app did it. This setting is system-level, so it's permanent and survives restart. You don't need to keep the app notification active. ADS: interstitial pop-up ads. Buy it!
I came back to use this app again and again since 2016... Suddenly Motorola fonts became tiny even though it says largest size. So I am so happy that this app is still working for me 👍💯
This app has helped me a great deal in the past. Earlier I was able to increase the font size to 250% but now I am only being able to increase it till 200%. Every time i try to increase the size to 250% the app prompts a message on tje screen saying -"This device disallows you to change the system font size to 250%(2.5x)." I have not changed any settings on my phone. Kindly address this flaw. Thank you.
Review Source: Google Play store public user reviews.
Big Font (change font size) prioritizes user privacy and does not collect personal data unless explicitly provided for feedback or support purposes.
Yes, Big Font (change font size) typically offers a free version with basic functionalities, while additional features may require a paid subscription.
No, Big Font (change font size) does not require an internet connection to function, as it operates locally on your device.
You can contact support or send feedback for Big Font (change font size) by using the contact feature within the app or visiting the developer's official website for support resources.
You can manage or cancel your subscription through the app store where you downloaded Big Font (change font size), following the subscription management settings on your device.
You can reach customer service through the app’s support section or visit our website for additional contact options.
Open the app and enter your registered email and password. If you’re a new user, follow the prompts to create an account.
No activation is necessary; simply download the app and start adjusting your font size immediately.
The customer support number is available on our official website under the contact us section.
v4.05★ add a search function to the About window★ update texts for some languages★ email me if you'd like to help with the translation★ bugs fixed and optimizationsv4.04★ supports per-app language settings on devices running Android 13 or later
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