GMass vs Mergo
| GMass | Mergo | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | No | Yes |
| Data sources | — | Google Sheets; Google Contacts; Google Drive; Google Docs; Google Forms; Excel; CSV |
| Output types | — | emails; Gmail drafts; personalized email attachments |
| Delivery channels | — | |
| Batch personalization | — | Yes |
Both are listed in Best Mail Merge Software. On Samsung Mobile US Press, Mergo scores higher on our published basis.