You can access email from your browser or your iOS phone as it is compatible for both platforms. From your browser, visit mail.aol.com and browse through your inbox. To access your email, you just need to enter your account details in the sign-in page and then click submit to access your inbox.
How do I sign in to my AOL mail account?
Go to www.mail.aol.com
Enter login credential
Username or Email, Password
Note for more info: