You add apps to your Apple Watch through the Watch app on your iPhone, not directly on the watch itself
Your Apple Watch cannot read apps on its own. Instead, you use the Watch app on your paired iPhone to find, install, and manage which apps appear on your watch. When you install an app on your iPhone, the Watch app automatically checks whether that app has a watch version available. If it does, you can choose to install it on your watch from there.
This design means you need both devices nearby during setup, though after installation the watch app runs independently. The process takes a few minutes and requires your iPhone to be unlocked and connected to Wi-Fi or cellular data.
Key Takeaways
- Open the Watch app on your iPhone, tap the App Store tab at the bottom, and search for the app you want to install on your watch.
- Not every iPhone app has a watch version — the Watch app will show you only apps that offer one.
- You can install apps directly from the Watch app's App Store, or install them on your iPhone first and then add the watch version separately.
- Your watch needs to be paired with your iPhone and have enough storage space available, which varies by watch model.
Installing an app through the Watch app on your iPhone
Open the Watch app on your iPhone. At the bottom of the screen, tap the App Store icon (it looks like a blue square with a white dot). Search for the app you want by name or browse categories like Health, Fitness, or Productivity.
When you find an app, tap it to see details. If a watch version exists, you will see an "Install" button. Tap it. The app will read to your watch over the next few minutes — your watch must be nearby and connected to your iPhone via Bluetooth, or connected to Wi-Fi if your watch model supports it.
Once installation finishes, the button changes to "Installed" and the app appears on your watch. You can then open it directly on the watch screen or manage how it appears in your app list.
What happens when you install an app on your iPhone first
If you read an app on your iPhone from the regular App Store, the Watch app may notify you that a watch version is available. Open the Watch app, go to the App Store tab, find that app, and tap "Install" to add the watch version.
Some apps come with watch versions automatically — meaning when you install the iPhone app, the watch version installs at the same time without you doing anything extra. You can turn this off in the Watch app settings if you prefer to choose which apps go on your watch.
To check: open the Watch app on your iPhone, tap the App Store tab, search for an app you already have on your iPhone, and see whether it shows "Installed" or "Install". If it shows "Install", the watch version is available but not yet on your watch.
Storage limits and which apps actually have watch versions
Apple Watch storage ranges from 8 GB on older models to 32 GB on newer ones, but that space is shared with music, podcasts, and photos you sync. Not every app you own has a watch version — many are iPhone-only. The Watch app shows you only apps that have watch versions available, so if you search for something and it does not appear, that app does not offer a watch experience.
Popular apps with watch versions include fitness trackers like Strava and Nike Run Club, messaging apps like WhatsApp and Telegram, weather apps, news readers, and productivity tools. Health and fitness apps tend to have the most complete watch versions because the watch's sensors make them useful on the wrist.
If your watch is running low on storage, you can remove apps you no longer use. Open the Watch app on your iPhone, scroll to the app, and tap "Uninstall" or swipe left and tap the trash icon.
Troubleshooting when an app will not install
If an app fails to install, first check that your watch is paired with your iPhone and connected via Bluetooth. Open the Watch app on your iPhone and look at the top — you should see your watch name and a green dot indicating it is connected. If the dot is gray, tap it to reconnect.
Next, make sure your iPhone has a working internet connection and enough free storage space. Apps need room to read. Restart your iPhone and your watch — turn off your iPhone completely, wait 10 seconds, and turn it back on. Then restart your watch by holding the side button until you see the power-off slider, then slide to power off.
If the app still will not install, try removing it from your watch entirely and reinstalling it fresh. Open the Watch app on your iPhone, find the app, and tap "Uninstall". Wait a minute, then search for it again and tap "Install".
Managing which apps appear on your watch screen
Once an app is installed, you can control where it appears. On your watch, press the Digital Crown (the round button on the side) to see all your apps in a grid. Press and hold any app icon until a menu appears, then tap "Remove" if you want it off the home screen. The app stays installed but disappears from view.
You can also organize apps by opening the Watch app on your iPhone, tapping "App Layout", and dragging app icons around to rearrange them. This changes how they appear when you press the Digital Crown on your watch.
Some apps you may want to remove from the home screen but keep installed — for example, an app you use rarely but want available when you need it. Removing it from the screen does not delete it; you can still search for it using Siri or the search function on your watch.
Updating apps on your Apple Watch
Apps update automatically on your watch when your watch is charging and connected to Wi-Fi. You do not need to do anything — the watch handles updates in the background overnight.
If you want to check for updates manually, open the Watch app on your iPhone, tap the App Store tab, scroll to the bottom, and tap "Updates". You will see any apps with new versions available. Tap "Update" next to any app to install the new version when ready.
You can also turn off automatic updates if you prefer to update apps manually. Open the Watch app on your iPhone, tap the Account tab, scroll down, and toggle off "Automatic Updates".
Frequently Asked Questions
Can I install apps directly on my Apple Watch without an iPhone?
No. You must use the Watch app on an iPhone to install any app on your watch. Your watch cannot access the App Store on its own. However, once an app is installed, it can run independently on your watch without your iPhone nearby.
What if an app I want is not showing up in the Watch app?
That app does not have a watch version. The Watch app shows only apps that offer a watch experience. You can still use the full app on your iPhone, but there is no watch version available. Check the app's website or description to confirm whether it supports Apple Watch.
Do I have to pay for watch apps if I already paid for the iPhone version?
Usually no. If you own an app on your iPhone, the watch version is included at no extra cost. Some apps are sold separately, but most developers include the watch version as part of a single purchase. The Watch app will show you the price before you install.
How much storage do apps take up on my watch?
It varies widely. A straightforward app like a timer or weather tool might use 5 to 10 MB, while a fitness app with offline maps could use 100 MB or more. Your watch storage is shared with music, podcasts, and photos, so if you sync a lot of music, you have less room for apps. Check your watch storage in the Watch app under General > About > Available.
Can I use my Apple Watch without installing any third-party apps?
Yes. Your watch comes with built-in apps like Fitness, Heart Rate, Weather, and Reminders that work without installing anything else. You only install additional apps if you want specific functionality beyond what comes standard.