ALTer vs WriteAlt
| ALTer | WriteAlt | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | extension | Web, Windows, Linux |
| Free plan | Yes | No |
| Publishing workflows | Yes | Yes |
| Paid from | — | 3.17 /mo |
| Bulk processing | — | Yes |
| API access | — | Yes |
| CMS plugins | — | Yes |
| Supported languages | — | 130 languages |
| Image formats | — | JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, BMP |
Both are listed in Best AI Alt Text Generators. On Samsung Mobile US Press, WriteAlt scores higher on our published basis.