Key Takeaways
- All reputable apps should be installed through your phone's official app store, not from unknown websites.
- Organizing apps into folders by category keeps your home screen navigable and saves time daily.
- Enabling automatic updates ensures apps stay secure without requiring manual effort.
- Uninstalling unused apps frees storage space and reduces background data usage.
- Reviewing app permissions regularly helps protect your personal information.
Start here
How Apps Get onto Your Phone
Next
Organizing Your Home Screen and App Library
Then
Keeping Apps Updated
When you're ready
Removing Apps You No Longer Need
Go deeper
Managing App Permissions and Storage
How Apps Get onto Your Phone
Every app on your smartphone starts its journey in an app store — a curated digital marketplace managed by your phone's operating system. Apple devices use the App Store; Android devices use Google Play. Both platforms review apps before publishing them, which provides a meaningful layer of protection against malicious software.
To install an app, open the store, use the search bar to find what you need, and tap the install or download button. Free apps install immediately; paid apps prompt you to confirm a purchase. Once downloaded, the app appears on your home screen or app library automatically.
Avoid installing apps from browser links, email attachments, or third-party websites. This practice — sometimes called sideloading — bypasses store safety checks and significantly increases your exposure to harmful software. See our checklist for evaluating any new app before adding anything unfamiliar to your device.
App store
A platform managed by your phone's operating system where you can safely browse, download, and update applications. Examples include Apple's App Store and Google Play.
Sideloading
Installing an app from a source outside the official app store, such as a website or file download. This bypasses standard security checks and carries higher risk.
Cache
Temporary data an app stores on your device to load faster. Over time, cache files can accumulate and take up meaningful storage space.
Permission
A specific type of access an app requests on your device, such as access to your camera, location, or contacts. You choose whether to grant or deny each permission.
Background process
Activity an app performs while you're not actively using it, such as syncing data or checking for notifications. Some background activity is useful; excessive activity can drain your battery.
Organizing Your Home Screen and App Library
A cluttered home screen slows you down. The most practical system is to group apps into folders by category — one for communication tools, one for finance, one for travel, and so on. On both iOS and Android, you create a folder by pressing and holding an app icon until it enters edit mode, then dragging it on top of another app.
Apps you use every day — your email, messaging, and browser — belong in your dock (the bar pinned to the bottom of the screen) or on the first page of your home screen. Less-used apps can live in folders on a secondary screen or in your phone's searchable app library, which on both major platforms lets you find any installed app by typing its name.
Name Your Folders Clearly
Generic folder names like 'Misc' quickly become unhelpful. Use specific labels — 'Travel & Maps', 'Finance', 'Health' — so you can find apps without opening every folder. You can rename a folder on both iOS and Android by tapping its title while in edit mode.
A tidy home screen also makes it easier to notice when an app you didn't install has appeared — a useful early signal that something may be wrong with your account or device. For more foundational habits, the Smartphone Basics hub covers core concepts worth building on.
Keeping Apps Updated
App updates do more than add new features — they patch security vulnerabilities and fix bugs that affect performance. Running outdated apps can leave your phone exposed to known risks that developers have already addressed in newer versions.
The simplest approach is to enable automatic updates. On iPhone, go to Settings → App Store and toggle on App Updates. On Android, open Google Play, tap your profile icon, go to Settings → Network Preferences, and select auto-update options. With this enabled, your phone downloads updates in the background, typically overnight on Wi-Fi.
If you prefer manual control, set a habit of checking your app store's Updates section once a week. Prioritize updates for apps that handle sensitive data — banking, health, and email apps especially.
Removing Apps You No Longer Need
Unused apps consume storage space and, in many cases, continue running background processes that drain your battery and use mobile data. A periodic audit — say, once every few months — keeps your phone lean and responsive.
To uninstall on iPhone, press and hold the app icon, tap Remove App, then Delete App. On Android, press and hold the icon and drag it to an Uninstall prompt, or go to Settings → Apps and select the app to remove it from there.
Check Before You Delete Locally Stored Data
Some apps — particularly games, journaling tools, and offline document editors — store data only on your device. Uninstalling them permanently removes that data. Before deleting, open the app and check whether an export or backup option is available.
If you're setting up a new device, thinking deliberately about which apps to carry forward is just as important as adding new ones. The article Setting Up a New Phone: The App Layer That Makes It Yours walks through that process category by category.
Managing App Permissions and Storage
Every app you install may request access to parts of your phone it needs to function — your camera, microphone, location, or contacts. These requests are called permissions, and you control them individually.
Review permissions for your installed apps by going to Settings → Privacy (iPhone) or Settings → Apps → → Permissions (Android). Ask whether each permission makes sense for what the app does. A flashlight app that requests access to your contacts, for example, has no obvious reason to need that data.
Storage is a related concern. Media-heavy apps accumulate cache files over time. Clearing an app's cache — found in Settings → Storage on most Android phones, or by offloading the app on iPhone — recovers space without deleting your personal data within the app.
For a deeper look at permissions and account security habits, our guide A First-Time Smartphone Owner's Guide to Staying Secure covers the essentials in plain language.