Have you ever noticed that some apps on your Xiaomi or Redmi smartphone load almost instantly, take up minimal space and do not require installation?It is not magic – these are fast apps (Quick Apps), a technology that Xiaomi is actively integrating into its MIUI firmware. They look like regular programs, but work on the principle of web applications, combining the speed of sites with the functionality of native utilities.
In this article, we’ll take a closer look at what Quick Apps are, how they’re built under the hood, how they compare favorably to classic APKs, and why Xiaomi bets on them in an era of limited storage and slow internet. You’ll also learn how to find, install and manage fast apps on your device, from Xiaomi’s flagship 14 to the budget Redmi Note 12.
What are Quick Apps and How They Work?
Quick Apps are lightweight versions of programs that run differently from traditional apps. APK-files, and through a special runtime (execution environment), built into MIUI. It is essentially a hybrid between a website and a native app:
- 🌐 Web core: interface and logic are downloaded from Xiaomi servers at first launch (like a website), but cached for offline operation.
- ⚡ Native Bridge: across API MIUI fast apps get access to notifications, geolocation, camera and other smartphone features — almost like regular apps.
- 📦 No installation: do not occupy space in the section /data/app, a stored in an isolated sandstone system (sandbox.
The technology was introduced by Xiaomi in 2019 as a response to two key user problems: a lack of memory on budget smartphones and slow loading of rarely used applications. For example, the Mi Home app in the Quick App version weighs ~5 MB against ~100 MB of a full-fledged APK, and launches in 1-2 seconds even on weak chipsets.
It's important to understand that Quick Apps isn't just "lightweight" versions of software; it's a separate ecosystem with its own store, monetization rules, and even a developer SDK, and some apps (like Mi Pay or Mi Video) are designed to be fast and then ported to a classic format.
Differences between Quick Apps and Normal Apps
At first glance, fast apps are almost indistinguishable from classic ones, but under the hood the difference is enormous. Here are the key differences in the comparison table format:
| Parameter | Quick Apps | The usual APKs |
|---|---|---|
| Installation | No requirement (launch on request) | Installation via.apk is required |
| Weight. | 1 to 15 MB (cache) | 20 to 200+ MB (full package) |
| Updates | Automatic, without user involvement | Google Play or Mi App Store |
| Access to the system | Limited (only permitted APIs) | Full (depending on permits) |
| Offline work | Partial (cached data) | Full (all resources locally) |
Quick Apps’ main advantage is instant launch, such as the Mi Calculator Quick App app opens in 0.8 seconds versus 2.3 seconds in the classic version (tests on the Redmi Note 11 Pro+).
- ⚠️ Limited functionality: Some features (such as background synchronization in Mi Cloud) may not be available.
- ⚠️ Server dependency: With poor internet, the first launch can take up to 10 seconds.
- ⚠️ No backups: Quick Apps data is not saved when the phone is reset to factory settings.
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To check if the app is “fast,” go to Settings → Apps → App Management and look at the icon: Quick Apps will have it with a small zipper icon in the lower right corner.
How to Find and Install Quick Apps on Xiaomi
In MIUI 14 and later, fast apps are integrated at the system level, but not all users know where to look for them.
- Through Quick Apps Center, Open the standard Quick Apps app (an icon with blue rhombus and white lightning) and feature recommended utilities from Xiaomi and partners. It's similar to Google Play, but with a focus on minimalism.
- Search MIUI and enter the name of the application you want, and if a quick version is available, the system will offer it first with the Quick App tag.
- Through references and QR-Some services (e.g. Mi Pay or Mi Credit) offer to install Quick App through promo pages. quickapp://....
The installation process takes 2-3 seconds: the system downloads a minimum data packet (~1-3 MB) and adds an icon to the home screen or application menu.
Check the MIUI version (should be 12 or later)
Connect to Wi-Fi (recommended for first run)
Free up ~50MB of memory for cache
Enable the option "Fast Applications" in Settings → Special features (if not available – update the firmware)-->
Xiaomi’s Quick Apps: What to replace
Xiaomi is actively converting its services to Quick Apps format.-5 The most useful fast apps that are worth trying:
- 📊 Mi Calculator: Calculator with a history of computing and currency converter. weighs 2 MB vs. 25 MB of the classic version.
- 🎵 Mi Music: a player with support for streaming and local files, perfect for saving memory.
- 🏠 Mi Home Lite: A simplified version for smart home management, supports basic devices Xiaomi/Mijia.
- 💳 Mi Pay: Payment application for NFC-It works even on devices without Google Pay.
- 📺 Mi Video: Video player with support for subtitles and gestures controls, optimized for Redmi with weak chipsets.
Fun fact: Some Quick Apps (such as Mi Browser Quick) can run in parallel with the classic versions, and it is convenient for testing new features without the risk of breaking the main application.
However, not all fast apps are equally useful, such as Mi Credit or Mi Games, which are often criticized for intrusive advertising, and can be removed in the standard way: long tap on the icon → Delete.
How to return the remote Quick App?
Security and privacy: what to fear
Quick Apps are often accused of collecting data, and for good reason. Because they run through Xiaomi's cloud, some of the information (such as usage history) can be transferred to the company's servers.
⚠️ Note: Fast apps from third-party developers (not Xiaomi) may request redundant permissions, such as access to contacts or other applications. SMS. Always check the permission list before the first run!
To minimize the risks:
- Use Quick Apps with Official tag in Quick Apps Center.
- Turn off auto-update for unreliable applications in Settings → Quick apps → Auto-update.
- Clean the cache regularly through Settings → Storage → Cache of fast applications.
Xiaomi, on the other hand, claims that Quick Apps are more rigorously controlled than the usual APKs from the Mi App Store, for example, all Quick Apps (like Mi Pay) are PCI DSS certified, which guarantees the protection of financial data.
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Xiaomi’s Quick Apps can’t run in the background without your knowledge – this is one of the key limitations of the technology that enhances security.
How to remove or disable Quick Apps
If you don't like fast apps, you can delete them or restrict them. Here are all the ways you can:
- 🗑️ Deletion: long tap on the icon → Delete.The app will disappear, but it can be restored from the archive (see spoiler above).
- 🚫 Hiding: In Settings → Annexes → Quick apps can turn off the display of icons on the home screen.
- 🔄 Reset: In Settings → System system → Resetting settings → Reset the settings of fast applications.
If you want to disable Quick Apps support completely (for example, due to performance issues), do the following:
- Go to Settings → About phone and tap the MIUI version 7 times to activate the developer mode.
- Back to Settings → Additionally. → For developers.
- Find the option to Disable fast apps and activate it.
- Reset the device.
⚠️ Note: Disabling Quick Apps may cause some system features, such as Mi Share or Mi Remote, to fail!
Next articleThe Future of Quick Apps: What to Expect from Xiaomi
Quick Apps is a rapidly evolving technology, and in 2026 Xiaomi announced several key innovations:
- 🤖 AI integration: in MIUI 15 fast apps will support Xiaomi HyperOS AI for personalized recommendations.
- 🌍 Global expansion: Quick Apps Store is planned for the European and Indian markets (currently available only in China and Russia).
- 🎮 Quick Apps: Cloud-based versions of games (e.g. Mi Game Center Lite) with streaming are being tested.
Analysts predict that by 2026, up to 40% of the applications in the Xiaomi ecosystem will be available in Quick Apps format.
- The popularity of cloud services (users prefer streaming to the installation)
- Google restrictions on the background activity of applications (Quick Apps bypass them due to isolated random).
- Saving resources on devices with 4/64 GB of memory (typical configuration for Redmi and POCO).
But there are skeptics, as XDA Developers say Quick Apps could be a tool to bypass Google Play restrictions, leading to a tightening of Google’s policies toward Xiaomi (as it did with Huawei and its AppGallery).