Comparison

Appen vs Doccano

On the evidence we track, Appen leads this comparison with a composite score of 55/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Appen55
Doccano40
Score
vioscaleAI score
Appen55 / 100low · 39%
Doccano40 / 100medium · 57%
Pricing
Free tier
Appen–
Doccano✓
Model
Appen–
Price level
Appen–
Doccanofree
Transparent
Appen–
Doccano✓
Integrations
Count
Appen3
Doccano0
Security
Gdpr
Appen✓
Doccano–
Hipaa
Appen✓
Doccano–
Iso27001
Appen✓
Doccano–
Scorecard
Appen–
Doccano4.6
Soc2
Appen✓
Doccano–
Adoption
Dependent repos
Appen–
Doccano7
Github stars
Appen–
Doccano10,798
Activity
Commits last 30d
Appen–
Doccano0
Release
Cadence days
Appen–
Doccano10
History
Appen–
Doccano20 items
License
Spdx
Appen–
DoccanoMIT
Language
Primary
Appen–
DoccanoPython
Market
Availability
Content
Faq
Appen6 items
Doccano5 items

Capabilities

Feature-by-feature on the axes that matter for data labeling. “-” means undocumented, not absent.

Capabilities
Model assisted labeling
Appen-
Doccano-
Programmatic labeling
Appen-
Doccano✓
Rlhf preference data
Appen✓
Doccano-
On prem private cloud
Appen-
Doccano✓
Open source
Appen-
Doccano✓
SOC2
Appen-
Doccano-

What each one is

The product in its own terms, so the numbers below have context.

Appen

Leader

A data platform providing expert-reviewed training datasets, human feedback for model alignment, and quality assurance services to support the development and improvement of AI models at scale.

Independently observed

Doccano

An open-source tool that enables humans to label text data for machine learning tasks like text classification, sequence labeling, and sequence-to-sequence problems. Users can prepare labeled datasets for applications such as sentiment analysis, named entity recognition, and text summarization.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Appen

Leader

Pricing not documented yet.

Doccano

Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Appen✓
Doccano✓
Deployment
Cloud / SaaS
Appen✓
Doccano✓
Self-hosted
Appen✗
Doccano✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Appen

Leader
3 total
  • IBM Watson
  • AWS
  • Azure
Independently observed

Doccano

Not documented yet.

Still deciding?

Appen or Doccano: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.