Many smartphone users are faced with a situation where they need to quickly transfer a large volume of files from one device to another, and there is no stable Internet or computer at hand. At such moments, applications for local data transfer come to the rescue, and one of the most famous among them is Shareit. This app has long held a leading position in app stores due to its speed and ease of use, becoming almost synonymous with wireless file transfer.
However, the Android ecosystem is constantly changing, and with it the built-in capabilities of the operating system. Today, every modern smartphone already has pre-installed tools for data exchange, which calls into question the relevance of installing third-party software. In this article we will analyze in detail what is Shareitexactly how it functions on a technical level, and whether your device really needs it in the current realities or is it better to abandon it for the sake of security and saving resources.
The principle of operation and technical features of the application
Basic concept of work SHAREit is based on the use of Wi-Fi Direct technology. Unlike Bluetooth data transfers, which are often limited by slow speeds and unstable connections, Wi-Fi Direct allows you to create a direct connection between two devices without the need to connect to a router or access point. When you initiate a transfer, one of the devices creates a temporary wireless network to which the recipient connects, providing a high-bandwidth channel.
The app automatically scans for available devices within range and suggests a list of contacts to send. The connection process takes place in seconds using QR codes or searching by device name. It is important to understand that during such a transfer, data does not leave the local communication perimeter and does not consume mobile traffic, which is a critical factor for users with a limited tariff plan.
Technically, the application works in the background, creating a server on the sending device. This allows you to transfer not only photos and videos, but also application installation files, contacts and even music in high quality. The transfer speed can reach 20 Mb/s and higher, which is tens of times higher than the capabilities of the standard Bluetooth protocol, making the process of transferring gigabytes of information a matter of several minutes. APK, contacts and even music in high quality. The transfer speed can reach 20 Mb/s and higher, which is tens of times higher than the capabilities of the standard Bluetooth protocol, making the process of transferring gigabytes of information a matter of several minutes.
⚠️ Attention: When using the "Hot Spot" mode for data transfer, your mobile data may temporarily turn off or work unstable, since the Wi-Fi module is busy organizing a local network.
Functionality and supported formats
The developers are positioning their brainchild as a universal tool for content management, and not just as a “thrower” of files. Besides the basic transfer function, the app offers a built-in media player capable of playing video formats that may not be supported by standard Android galleries. This is convenient if you received a movie in a rare codec and want to watch it right away without installing additional players.
One of the key features is the ability to clone applications. The user can transfer the installed app along with all its data to another phone, which significantly saves time when purchasing a new gadget. The system supports batch sending: you can select hundreds of photos, several video files and documents at the same time, sending them with one button without having to confirm again for each file.
The list of supported file types is practically unlimited by Android standards:
- 📸 Images of all popular formats (JPG, PNG, GIF, RAW)
- 🎥 High-resolution videos (MP4, MKV, AVI)
- 🎵 Audio files and podcasts (MP3, FLAC, WAV)
- 📦 Application installation packages and archives (ZIP, RAR)
It is also worth noting the presence of the "File Management" function, which allows you to sort the content by category right inside the app interface. This eliminates the need to switch to standard Explorer if you need to quickly find recently downloaded documents or clear the messenger cache before sending.
Comparison with built-in Android tools
In modern versions of the Android operating system, starting from 6.0 and higher, Google has introduced its own file transfer protocol, known as Nearby Share (in the latest updates renamed to Quick Share). This tool is integrated directly into the system and does not require the installation of additional software, which is its main advantage over Shareit.
The built-in solution works on a similar principle, using a combination of Bluetooth for device discovery and Wi-Fi Direct for data transfer. However, unlike third-party applications, the system tool has deeper access to device resources and is better optimized for battery use. The user does not need to keep the screen on or enter the application - just select a file in the gallery and click the "Share" button.
For a visual comparison of characteristics, consider the following table:
| Features | Shareit | Built-in Quick Share |
|---|---|---|
| Necessity installation | Requires downloading from the store | Built into the system |
| Advertising in the interface | Present in the free version | Completely absent |
| Speed transmission | High (up to 20+ Mb/s) | High (similar) |
| Battery consumption | Medium/High | Optimized |
Despite strong competition from the system, third-party applications still have a niche. For example, they often provide better compatibility when transferring files between Android and devices of other platforms, such as older versions of iOS or feature phones, where Google system functions may not be available.
If you are moving to a new phone of the same brand (for example, from Samsung to Samsung), use the manufacturer's proprietary utility (Smart Switch), it will transfer not only files, but also system settings.
Problems security and data privacy
The issue of security is one of the most pressing when discussing file transfer applications. Since Shareit creates an open wireless network, there is theoretically a risk of data interception by attackers in close proximity. Although an encryption protocol is used, history knows of vulnerabilities in similar apps that allowed access to the device’s file system.
Another aspect is the collection of user data. Free versions of such applications are often monetized by displaying advertising and collecting analytics. The app may request access to contacts, location and call history, justifying this with the need to improve the service. In the context of tightening Google's privacy policy, such requests raise reasonable doubts among cybersecurity experts.
To minimize risks, it is recommended to follow the following rules:
- 🔒 Always check the name of the recipient device before confirming the connection
- 🚫 Disable the application immediately after the file transfer is complete
- 🛡️ Do not provide access to the microphone and camera unless required for the video calling function
⚠️ Attention: Never receive files from unknown devices in public places (cafes, transport), even if you did not initiate the transfer. Attackers may try to send malware masquerading as a legitimate file.
Impact on the performance and autonomy of the smartphone
Installing any additional application inevitably affects the device's resources. Shareit is no exception: it takes up space in the internal memory, consumes RAM runs in the background and can slow down other processes. This is especially noticeable on budget smartphones with a limited amount of RAM, where every megabyte counts.
Active operation of the Wi-Fi module in access point mode significantly increases power consumption. If you transfer files for a long time, the battery level may decrease 10-15% faster than usual. Additionally, constantly scanning the network in the background for available devices prevents the processor from going into deep sleep mode, which drains the phone even in standby mode.
Users often complain about intrusive notifications and pop-up ads that appear even when the application is not actively used. This is not only annoying, but also creates unnecessary load on the system's graphical interface. In some cases, aggressive advertising can lead to accidental clicking on links and installation of unwanted software.
Why does the application heat up the phone?
When data is actively transferred, the processor and Wi-Fi module operate at maximum power, generating heat. This is a normal physical phenomenon, but if the heating is excessive, you should interrupt the transfer and let the device cool down.
Alternative solutions and transfer methods
If you decide not to install Shareit, the market offers many alternatives, both built-in and third-party. For owners of devices from different ecosystems (for example, Android and iPhone), an excellent solution is a cross-platform application Send Anywhere or the use of cloud storage, such as Google Drive or Yandex.Disk, where files are downloaded once and become available on all devices.
Bluetooth is still relevant for transferring small amounts of data, especially when it comes to contacts or documents. For large files within the Google ecosystem, the previously mentioned Quick Shareis ideal. Also, we must not forget about physical methods: connecting the phone to a computer via a USB cable ensures maximum speed and reliability, eliminating any risks of wireless interception.
There are also easier open source analogues, such as LocalSend. These apps are ad-free, don't require internet access, and collect minimal user data, making them attractive to privacy-conscious users. They work on the same Wi-Fi Direct principle, but are devoid of commercial load.
⚠️ Attention: Interfaces and function names may differ depending on the version of Android and the manufacturer’s shell (MIUI, OneUI, ColorOS). Always check the official manuals for your specific phone model.
☑️ Ready for secure transfer
Final summary: is it worth installing the app
The answer to the question “is this app needed” depends solely on your use cases. If you are the owner of a modern smartphone with the latest version of Android and transfer files mainly to devices of people familiar with similar gadgets, then Shareit you most likely do not need it. Built-in tools handle this task faster, more securely, and without unnecessary advertising.
However, if you often work with older phone models, transfer data to devices with different operating systems, or need specific features like application cloning and a built-in video player, installation may be worth it. In this case, it is recommended to use the app only as needed, uninstalling or disabling it between uses.
Ultimately, the choice remains with the user, who must weigh the convenience of additional features against potential security risks and stress on the system. Knowledge of operating principles and alternatives allows you to make an informed decision, optimizing the operation of your mobile device.
For 90% of users of modern smartphones, the built-in Quick Share function is the optimal choice, completely replacing the need to install third-party software.
Frequently asked questions (FAQ)
Safe Is it possible to transfer banking applications via Shareit?
Transferring installation files (APK) of banking applications is possible, but not recommended. It is better to download them directly from the official Google Play store to ensure the integrity of the file and the absence of modifications that may have been made during transfer.
Is it possible to transfer a file if Shareit is not installed on the recipient's phone?
No, to receive files through this particular application, it must be installed on both devices. However, some versions allow you to create a web link to download a file through a browser, but this will require Internet traffic consumption.
Why does the transfer speed drop when there are a large number of files?
When sending hundreds of small files (for example, photos), most of the time is spent not on data transfer, but on establishing a connection for each new file and checking integrity. This is a technical feature of the protocol, not a malfunction.
Does Shareit delete original files after transfer?
No, the app works on the principle of copying. The original files remain unchanged on the sending device. You will have to delete them manually if you want to free up space.