# Backend As A Service

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Firebase](https://www.vioscale.ai/software/firebase) | 78.2 | 26% (low) | - |
| 2 | [Back4App](https://www.vioscale.ai/software/back4app) | 73.7 | 55% (medium) | - |
| 3 | [Xano](https://www.vioscale.ai/software/xano) | 68.7 | 76% (high) | - |
| 4 | [Appwrite](https://www.vioscale.ai/software/appwrite) | 61.6 | 43% (low) | - |
| 5 | [PocketBase](https://www.vioscale.ai/software/pocketbase) | 59.7 | 20% (low) | - |
| 6 | [AWS Amplify](https://www.vioscale.ai/software/aws-amplify) | 59.2 | 42% (low) | - |
| 7 | [Nhost](https://www.vioscale.ai/software/nhost) | 58.9 | 61% (medium) | - |
| 8 | [Convex](https://www.vioscale.ai/software/convex) | 50.9 | 53% (medium) | - |
| 9 | [Backendless](https://www.vioscale.ai/software/backendless) | 42.8 | 26% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/backend-as-a-service).*