| Price from | $29.99/mo | $85/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 10 | 4 |
| Spec score · Backend as a Service (BaaS) Software | 8.4 (#3) | 7.9 (#9) |
| Free-tier limits | Shared Cloud includes 1,000 users, 100,000 API calls per month, 10GB storage and 50GB bandwidth; usage above those amounts is billed per resource. | The Free plan is limited to 100,000 records, one workspace, 1 GB of watermarked image storage, and 10 requests per 20 seconds. |
| Product | 23blocks provides pre-built backend blocks with APIs so developers can use backend services without building the infrastructure themselves. | Xano is a backend development platform for building, governing, deploying, and observing production logic. |
| Security | The DPA describes TLS 1.2 minimum and TLS 1.3 preferred for data in transit, AES-256 or equivalent encryption at rest, least-privilege IAM and required MFA for administrative access. | Xano lists SOC 2 Type 2, SOC 3, ISO 9001, ISO 27001, and ISO 27701 certifications. |
| Support | The pricing page says the 1.5× deployment multiplier covers provisioning, monitoring, upgrades and support for dedicated single-tenant deployments. | The Custom plan includes dedicated onboarding, training, and support, while the pricing comparison lists 24/7 support for Custom. |
