| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 3 | 3 |
| Spec score · Personal Email Services | 7.7 (#90) | 8.8 (#12) |
| Attachments | The help center has dedicated guidance for attachments and large attachments, including size limits, storage periods, and downloading. | A message can include up to 50 files, with a maximum total message size of 25MB. |
| Free plan | Yes | Yes |
| Platform access | web_mobile_desktop | web_mobile_desktop |
| Storage | The help center states ordinary personal accounts have a 5G storage limit, while membership provides 50G or unlimited storage depending on tier. | AT&T says the service includes 1TB of storage. |
| Support | The FAQ offers a route to one-to-one human assistance and the membership presales hotline 400-9266-163, available on weekdays from 9:00 to 18:00. | AT&T provides self-service setup, troubleshooting, security, password, and account recovery help, plus support videos. |
