| Price from | $99/mo | $8/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | — |
| Plans published | 4 | 3 |
| Spec score · AI Personal Assistants | 8.6 (#11) | 7.3 (#37) |
| Product | Bella describes itself as proactive embedded AI for managing work, personal life, and connected tools. | Syncro combines email, triage, calendar, and tasks in one workspace, turning email work into scheduled tasks. |
| Security | The trust page specifies AES-256-GCM encryption at rest and TLS 1.3 in transit, with row-level security on every database table. | The maker says data is encrypted in transit and at rest, uses minimum OAuth scopes, and maintains an append-only audit log. |
| Support | Bella offers email support and says it replies within one business day. | The maker says it will acknowledge responsible security disclosures within three business days. |