Modern iO vs Postable
| Modern iO | Postable | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | No | Yes |
| Print ordering | Yes | Yes |
| Direct mailing | Yes | Yes |
| Variable personalization | Yes | Yes |
| Postcard formats | Standard 4.25 × 6 in; Jumbo 6 × 9 in | postcard |
| Bulk upload | — | Yes |
Both are listed in Best Postcard Maker Software. On The Geeks Club, Postable scores higher on our published basis.