The official Pixelfed app for iPhone & iPad is now in the Apple app store:
https://apps.apple.com/app/pixelfed/id1632519816
The official app is also on Google Play:
https://play.google.com/store/apps/details?id=com.pixelfed
There are also third party apps:
Impressia (https://apps.apple.com/app/impressia-for-pixelfed/id1663543216)
Pixeldroid (https://pixeldroid.org)
If you want the most complete feature set though, you might want to install your Pixelfed server's website as a web app:
https://fedi.tips/how-to-install-web-apps-for-mastodon-and-the-fediverse
@FediTips yay, an iPad app! Unlike the other ‘gram
Yes, it's an open platform so developers are free to make apps for any platform
You can also use Pixelfed entirely through a web browser on a computer or phone or tablet, because the website is really good.
In fact the website version has the most features, and a lot of people use Pixelfed by installing the website as a "web app" on their tablet or phone:
https://fedi.tips/how-to-install-web-apps-for-mastodon-and-the-fediverse