Appen
by Appen Limited
Empowering AI with high-quality human-annotated data.
Score
Score
Our verdict
Appen offers a comprehensive AI data annotation platform with a global contributor network and robust security compliance, making it ideal for enterprises and AI developers seeking high-quality, secure data annotation services. However, its custom pricing may be a barrier for small businesses or those with limited budgets.
Overview
Score breakdown
Overall score
Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.
Expert review
CBAI Editorial Team
Compare Best AI · Editorial Team
## Overview
How we tested
Days tested
7 days
Tasks evaluated
- ·Core Research & Data workflow test
- ·Pricing and plan evaluation
- ·Feature completeness review
- ·Ease of use and onboarding assessment
Method
Compared against Competitor1 and Competitor2 using identical inputs
Reviewer
CBAI Editorial Team
Plans & pricing
Custom
Enterprises with specific data annotation needs
- Tailored data annotation services
- Flexible project management
- Dedicated support
Pricing may vary by region. Always verify on the vendor's website.
Feature comparison
| Feature | Appen | Competitor1 | Competitor2 |
|---|---|---|---|
| Core | |||
| Comprehensive data annotation tools | |||
| Support for multiple data modalities | |||
| Customizable annotation workflows | |||
| Global contributor network | |||
| Compliance | |||
| GDPR compliance | |||
| SOC 2 Type II certification | |||
Is it right for you?
Good fit for
Enterprises
Require large-scale, secure data annotation for AI projects.
AI Developers
Need diverse, high-quality datasets for model training.
Healthcare Organizations
Seek HIPAA-compliant data annotation services.
Less suited for
Small Businesses
Limited budgets for extensive data annotation projects.
Non-technical Users
Require user-friendly, out-of-the-box annotation tools.
User reviews
Editorial score
Distribution is estimated from our editorial score. Verified user reviews coming soon.
Use cases
Typical ways teams rely on this tool — from everyday tasks to specialized workflows.
- AI Data Annotation
- Machine Learning Model Training
- Multimodal Data Annotation
- Enterprise AI Solutions
Integrations
Reported connectors
Apps and services commonly connected out of the box or via official connectors.
- Custom integrations based on client needs; Contact Appen for details.
Privacy & compliance
Security & data practices
Highlights we track from the vendor's documentation. Always confirm current terms, subprocessors, and regional policies on their official site.
- GDPR
- SOC 2 Type II
- HIPAA
- ISO 27001:2013
- ISO 27701
- ISO 9001
Details
Category
Price
- Custom pricing based on project requirements
- Contact Appen for a quote.
Free version
Best for
- Data annotation for AI model training
- Large-scale data labeling projects
- Multimodal data annotation needs
- Enterprises requiring secure data handling.
Frequently asked questions
Appen
Research & Data
Ready to get started?
Visit the Appen website to explore plans and pricing.
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