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Tudor Dan

When I am not writing articles for Digital Citizen, you will probably find me disassembling laptops, working on my model airplane collection or playing indie games nobody ever heard of. Engineer by profession, I have a published book and a lot of patience to explain technology to anyone interested.
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Written by Tudor Dan

article What is FPS (frames per second)?

What is FPS (frames per second)?

If you’re new to gaming or videography, you might have stumbled into strange terms like FPS, frame rate, and refresh rate. In this article, we define FPS, we compare FPS to the refresh rate and see why it’s important to have a high FPS. Ever wondered how many FPS the human eye can see? Or if there is such a thing as FPS in
tutorial How to protect your smartphone’s battery

How to protect your smartphone’s battery

If you recently bought an expensive Android flagship or the newest iPhone, you naturally want to take care of it as much as possible. You buy a screen protector, a case, and you try not to drop it. But what about protecting its battery so that it lasts longer? Charging the smartphone correctly can make the difference between replacing the battery after a year
article 12 most useful free Android Home Screen widgets

12 most useful free Android Home Screen widgets

Android Home Screen widgets are useful for displaying relevant information and accessing often-used controls on your smartphone. You can use widgets to check your e-mails, the news, or the weather, control media playback or even other devices. We’ve compiled a list of twelve free Home Screen widgets that we think are the most useful for your Android smartphone. We also included a bonus: the
review Xiaomi Watch S1 Active review: a potential winner

Xiaomi Watch S1 Active review: a potential winner

The new generation of Xiaomi smartwatches is here. The Xiaomi Watch S1 targets the users who are more interested in the design of their wearables, while the Xiaomi Watch S1 Active is aimed more towards sports and health enthusiasts. In this review, I take a closer look at the Xiaomi Watch S1 Active. It has an impressive list of features and a balanced price.
article How to tell if your smartphone's battery is dying

How to tell if your smartphone's battery is dying

If you are reading this article, it’s probably because your smartphone is acting up or you’re worried that its battery is nearing the end of its life. And you have good reason to worry about the longevity of smartphone batteries. No matter how well you treat your mobile device, eventually, the battery will lose its capacity to hold a charge and your smartphone or
article Best free games for your iPhone or iPad

Best free games for your iPhone or iPad

What would life be without games? A boring experience if you ask us. ? As many of our readers own and use iPhones and iPads, and some of us here at Digital Citizen also do, we thought it would be a good idea to share with you some of our favorite free games for iOS and iPadOS. Puzzle games, RPGs, multiplayer or single-player games…
tutorial How to add, modify, or remove widgets from Android

How to add, modify, or remove widgets from Android

Widgets can be incredibly useful, so it’s a good idea to know how to add or remove them from your Android smartphone. Android widgets are interactive and provide data, while also acting as gateways to apps. This tutorial shows you all you need to know on how to add or remove widgets from your Android's Home Screen, including Samsung Galaxy devices: NOTE: For
article 30 or 60 fps? What's best for smartphone video recording?

30 or 60 fps? What's best for smartphone video recording?

Smartphone manufacturers have generally settled on having 30 or 60 fps available for video recordings, but some are pushing the boundaries, offering 120 or even 240 fps. Are they viable or just a marketing trick to make us buy more expensive and advanced, but not necessarily more useful smartphones? In this article, I’m going to answer a few questions that you may have regarding
review Samsung Galaxy S22 (Exynos) review: Natural evolution

Samsung Galaxy S22 (Exynos) review: Natural evolution

Finally, a compact Android flagship smartphone from Samsung. Ever since the Galaxy S7, Samsung’s top-of-the-range smartphones have only gotten larger and heavier. Not anymore! While the Samsung Galaxy S22 is by no means tiny, it’s still smaller and thinner than its Android competitors. Does this mean that Samsung made compromises in regards to build quality of the device or its specs? I tested it
review Samsung Galaxy Tab S8 Ultra tablet review: a premium experience

Samsung Galaxy Tab S8 Ultra tablet review: a premium experience

It’s a good time for Samsung: they recently released the excellent Samsung Galaxy S22 smartphone lineup and the Tab S8 tablet series; they enjoy a comfortable lead in the Android market and constantly push the boundaries of technology with their products. Now, I’m not really a fan of tablets, I think they occupy a precarious space between laptops and smartphones. But I got to
review Realme GT2 Pro review: A powerhouse with a matching battery

Realme GT2 Pro review: A powerhouse with a matching battery

Realme GT2 Pro is the latest flagship smartphone from the Chinese manufacturer that is part of the BBK group alongside other brands like OnePlus and Oppo. And quite the flagship it is! Realme has put all sorts of goodies in this smartphone: the world’s first 2K AMOLED flat display with LTPO 2.0 technology, the latest Snapdragon 8 Gen 1 chipset, all powered by a
tutorial Communicate safely during protests or emergencies with Briar

Communicate safely during protests or emergencies with Briar

When you protest for a cause, alongside thousands of people, it is very likely that the mobile network will stop working because of the sheer number of connections to a small number of cell towers. Also, in the event of an emergency like an earthquake or armed conflict, the communication infrastructure might be partially damaged, leaving you without any means of communication or information.
article Smartphone video recording in 1080p, 4K, 8K: How much is too much?

Smartphone video recording in 1080p, 4K, 8K: How much is too much?

Smartphone manufacturers are doing everything they can to bring forward new and exciting features. Some are more successful than others, some are only there for marketing purposes. While an increasing number of flagship smartphones feature 8K video recording, is it really a useful ability, or is it just a fad? In this article, I’m going to answer a few questions that you may have
review Mi Robot Vacuum-Mop 2 Pro review: Smart and dependable!

Mi Robot Vacuum-Mop 2 Pro review: Smart and dependable!

Xiaomi has recently launched its new lineup of air purifiers and robot vacuum cleaners. After reviewing the Xiaomi Smart Air Purifier 4, I was eager to test one of their new vacuum cleaners. I used the Mi Robot Vacuum-Mop 2 Pro for a week, and it was enough to discover many interesting things about it. Do you want to buy the best robot vacuum
tutorial 2 ways to block Android apps from accessing the internet

2 ways to block Android apps from accessing the internet

Some Android apps access the internet too often, and you might not want that. Whether it's because they consume your data plan faster or they end up using too much battery, you might want to know how to turn off cellular access, Wi-Fi access, or both for specific apps in Android. Maybe you have other apps that you prefer to use offline, and you're
article Download the 30 best free mouse cursors for Windows

Download the 30 best free mouse cursors for Windows

Are you bored with the Windows user interface? Are you tired of its default customization options? Then maybe it is time for you to make your desktop look unique by downloading, installing, and using a new mouse cursor theme. There are plenty of cool cursors available on the internet. Most of the pointers are animated, some are excellent for gaming or inspired by games,
tutorial How to install custom mouse cursors in Windows

How to install custom mouse cursors in Windows

If you want to change the way your mouse cursors look, you have two options. The easy one is to install a mouse cursor scheme that changes all the pointers from Windows. The other one is to set a specific pointer for each mouse cursor manually. If you want to know how to install mouse cursors in Windows 10 and Windows 11, read this
review Razer Zephyr wearable air purifier review: protection with style!

Razer Zephyr wearable air purifier review: protection with style!

Razer is one of the most popular gaming gear and peripheral manufacturers in the world. Their products have always been exceptionally well designed and engineered, and during the last years, their product lineup has grown with the addition of lifestyle devices (wearables, chairs, etc.). One of the more unconventional products in their Lifestyle range is the Razer Zephyr wearable air purifier - a face