Why your iPhone storage is full of photos
See what's using the space
- Open Settings and tap General.
- Tap iPhone Storage.
Apple says the list shows recommendations and your apps with how much space each uses. Its categories include Apps, Photos (photos and videos stored in the Photos app), Messages (messages and their attachments), Other and System. Tap Show All to see the recommendations your iPhone offers.
Example: if Photos says 80 GB and Messages says 12 GB, start with Photos, then look at the pictures and videos people sent you in Messages.
Why Photos grows so quickly
- Time. Years of pictures and videos stay until you remove them. Videos are often large, so they're worth a look.
- Near-copies. Burst photos and duplicates save the same moment many times.
- Screenshots. They save to your photo library automatically, and few of us clear them. Here's how.
- Pictures from chats. Some apps save what people send you. Here's how to stop that.
- Deleted pictures still waiting. They stay in Recently Deleted for 30 days. Here's how that works.
If you use iCloud Photos
Photos and videos in iCloud Photos use both your iCloud storage and your device storage, Apple says. Turning on Optimize Storage lets your iPhone keep smaller versions while iCloud keeps the full-size originals. To find it, go to Settings, tap your name, tap iCloud, and under Saved to iCloud tap Photos. Then tap iPhone Storage and choose Optimize Storage. On iOS 26 or earlier, you just choose Optimize Storage.
Two cautions from Apple. First, with iCloud Photos on, deleting a photo on your iPhone deletes it on your other devices too. Second, Apple says photos in iCloud Photos aren't duplicated in your iCloud backup, so keep your own backup copies of your library.
Other places to look
Apple's storage page says the Apps category includes your installed apps, their content, files stored in the Files app on your iPhone, and Safari downloads. Messages counts messages together with their attachments. Other includes things like Siri voices, fonts, caches and the Spotlight index.
How FirstHour helps, and what it can't do
Tidy up sorts the pictures on your iPhone into groups and suggests Duplicates, Burst photos and Old screenshots to clear. That can take a real bite out of the clutter, one group at a time.
It doesn't show your storage numbers, and it can't clear apps, other files or system data. It doesn't check videos, which are often the biggest part, so you'll need to review those in Photos yourself. And since deleted pictures wait in Recently Deleted for 30 days, the space comes back only after that, or after you empty it. With iCloud Photos on, what you delete is deleted on your other devices too.
Questions
Is it safe to delete photos if I have iCloud Photos?
Only if you're sure you don't want them anywhere. They're deleted everywhere, not just on this iPhone.
Why did my storage not change after I deleted lots of photos?
Most likely they're in Recently Deleted. They stay there for 30 days unless you remove them yourself. Emptying it can't be undone, and with iCloud Photos on it removes them from your other devices too.
Sources
- How to check the storage on your iPhone and iPad, Apple Support
- Manage storage on iPhone, Apple Support
- Set up and use iCloud Photos, Apple Support
- Delete or hide photos and videos on iPhone, Apple Support