# Appen alternatives

The highest-scoring alternative to Appen in Data Labeling is **Scale AI** (76/100), against Appen's 58/100. Ranked on independent signals, not user reviews. No vendor pays for placement.

| # | Alternative | Score | Confidence | Compare |
|--:|---|--:|---|---|
| 1 | [Scale AI](https://www.vioscale.ai/software/scale-ai) | 76 | 45% (low) | [Appen vs Scale AI](https://www.vioscale.ai/compare/appen-vs-scale-ai) |
| 2 | [CVAT](https://www.vioscale.ai/software/cvat) | 69 | 26% (low) | [Appen vs CVAT](https://www.vioscale.ai/compare/appen-vs-cvat) |
| 3 | [iMerit](https://www.vioscale.ai/software/imerit) | 68 | 14% (low) | [Appen vs iMerit](https://www.vioscale.ai/compare/appen-vs-imerit) |
| 4 | [Kili Technology](https://www.vioscale.ai/software/kili-technology) | 56 | 55% (medium) | [Appen vs Kili Technology](https://www.vioscale.ai/compare/appen-vs-kili-technology) |
| 5 | [Amazon SageMaker Ground Truth](https://www.vioscale.ai/software/amazon-sagemaker-ground-truth) | 55 | 54% (medium) | [Appen vs Amazon SageMaker Ground Truth](https://www.vioscale.ai/compare/amazon-sagemaker-ground-truth-vs-appen) |
| 6 | [Labelbox](https://www.vioscale.ai/software/labelbox) | 53 | 21% (low) | [Appen vs Labelbox](https://www.vioscale.ai/compare/appen-vs-labelbox) |
| 7 | [Dataloop](https://www.vioscale.ai/software/dataloop) | 51 | 12% (low) | [Appen vs Dataloop](https://www.vioscale.ai/compare/appen-vs-dataloop) |
| 8 | [Supervisely](https://www.vioscale.ai/software/supervisely) | 44 | 20% (low) | [Appen vs Supervisely](https://www.vioscale.ai/compare/appen-vs-supervisely) |
| 9 | [Label Studio](https://www.vioscale.ai/software/label-studio) | 44 | 25% (low) | [Appen vs Label Studio](https://www.vioscale.ai/compare/appen-vs-label-studio) |
| 10 | [Toloka](https://www.vioscale.ai/software/toloka) | 43 | 41% (low) | [Appen vs Toloka](https://www.vioscale.ai/compare/appen-vs-toloka) |
| 11 | [CloudFactory](https://www.vioscale.ai/software/cloudfactory) | 42 | 32% (low) | [Appen vs CloudFactory](https://www.vioscale.ai/compare/appen-vs-cloudfactory) |
| 12 | [Datasaur](https://www.vioscale.ai/software/datasaur) | 29 | 41% (low) | [Appen vs Datasaur](https://www.vioscale.ai/compare/appen-vs-datasaur) |

Appen itself ranks #4 of 18 in Data Labeling.

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*Source: Vioscale (https://www.vioscale.ai/alternatives/appen). Generated 2026-09-01T16:55:37.292Z.*