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Appen Logo

Artificial intelligence (AI) & machine learning (ML) tool

Appen - 2025 Pricing, Features, Reviews & Alternatives

Table of Contents

What is Appen?

Appen: Powering AI Excellence for a Smarter Future

Appen is the global leader in AI training data—a pivotal force enabling businesses to confidently deploy world-class AI applications. We power AI innovation, building a future driven by cutting-edge advancements in smart technology. Most of today’s interactions between consumers and AI are supported by Appen.

Our Distinctive Offerings:

Appen specializes in a variety of expertise, including but not limited to providing custom data sourcing, collection and creation, data annotation, and model evaluation. We also provide content and search relevance services, prompt preference management, domain-specific RLHF, and evaluation, model integrity assessment, multi-modal LLMs, and ready-to-use AI data assets. We are not just a service provider; we are a partner, providing the data, platform, expertise, and people driving the success of large-scale AI models across the globe.

Platform and Expert Services:

For nearly three decades, Appen has enabled industry leaders to build and train the world’s most recognizable AI applications. Our premium platform, coupled with expert services, and the industry’s largest global crowd, make us a unique end-to-end solution for enterprise and global clients. By delivering customized data creation solutions, we meet the unique needs of each business we collaborate with. Our team of experts ensures that AI systems not only perform accurately but also ethically across diverse media types.

Customizable Services for Every Business:

Understanding that every business has unique AI deployment requirements, we offer customizable services such as sentiment analysis, data annotation & labeling, along with domain-specific reinforcement learning. Our API integrations facilitate seamless communication between systems, maintaining high levels of security throughout the process.

Advancing Technology with Ethics at the Core:

Dedicated to training data for artificial intelligence applications worldwide, we are committed to making AI accessible for everyone and we do that by providing quality training data that is diverse and free from bias. At Appen, we stand at the forefront of advancing technology, always keeping ethics in mind.

Your Success, Our Priority:

Join the ranks of industry-leading companies who have partnered with us on their AI journey. At Appen, your success is not just a goal; it's our unwavering priority. As we continue to shape the landscape of AI, we invite you to be part of a transformative journey where excellence meets innovation. Welcome to Appen, where we redefine possibilities and power the future of AI.

Benefits of using Appen

Experience the Capabilities of Appen's Platform
Effortlessly curate, annotate, and enhance AI data with precision and efficiency.
o Curate
Diverse collection, thorough cleaning, precise annotation, and rigorous validation.
o Fine Tune
learning from human feedback (RLHF), A/B testing, and benchmarking.
o Challenge
Red-Teaming, Prompt Injection, and Fairness Assessment.
o Monitor
Continuous performance monitoring to uphold brand's integrity and reputation.

Powering AI Innovation for Industry Leaders
Custom Data Creation
Elevate AI with custom datasets that meet unique project requirements.

Model Evaluation
Our experts assess, refine, and elevate models to reach their full potential.

Content and Search Relevance
Our content relevance experts ensure AI systems deliver the right results.

Prompt Preference Management
Train models to deliver optimized and personalized outputs.

Domain-Specific RLHF and Evaluation
Access to industry experts to refine and evaluate training data.

Model Integrity Assessment
Fortify models against bias and deliver ethical and reliable outcomes.

Multi-Modal LLMs
Traverse text, video, image, and voice with ease, redefining how AI interprets information across diverse media types.

Off-the-Shelf AI Datasets
Save time and valuable resources with pre-validated, curated datasets.

Protecting and Securing Your Data
When implementing AI solutions, we prioritize security and compliance. Our team follows strict protocols to protect your data. We adhere to industry standards and best practices for data privacy, confidentiality, and security.

Government
 Appen is globally trusted, compliant, and at the forefront of AI standards. We meet stringent regulations from governing bodies and industry oversight groups. Our policies reflect new laws.

Security
 Data privacy is our top priority. We use advanced encryption and multi-layered security measures to securely store and protect user data worldwide. Our team, policies, and procedures align with various security levels and government certifications.

Certifications
 We are certified to handle sensitive and regulated data. Our compliance includes SOC2 Type II, ISO 27001 certified secure facilities, ISO 9001 accredited operations, HIPAA, GDPR, and various security options

Starting from

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Appen's key features

Most critical features, based on insights from Appen users:

Data Capture and Transfer
Data Quality Control
Multi-Language
Optical Character Recognition
Automatic Transcription
Web Data Extraction

All Appen features

Features rating:

Process/Workflow Automation
Natural Language Processing
Machine Learning
Language Detection
Intent Recognition
Image Capture
Email Address Extraction
Electronic Forms
Document Classification
Data Retrieval
Text Editing
Address Validation
AI/Machine Learning
Audio Capture
Timecoding
Code-free Development
Chatbot
Speech Recognition
Speech-to-Text Analysis
Data Replication
Annotations
Terminology Management
Project Management
Tagging
Project Tracking
Project Workflow
Quality Control
Reporting/Analytics
Self-paced Learning
Workflow Management
Sentiment Analysis
Surveys & Feedback
Voice Recognition
Virtual Personal Assistant (VPA)
Speech Synthesis
Translator Database
Spell Check
Audio/video file upload
Auto Extraction
Automatic Transcription Services
Contextual Guidance
Data Aggregation and Publishing
Data Discovery
Data Management
Data Profiling
Document Extraction
For eCommerce
Image Analysis
Image Extraction
Localization Automation
Machine Translation
Match & Merge
Memory Management
ML Algorithm Library
Model Training
Phone Number Extraction
Predictive Modeling
Pricing Extraction

Appen awards

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Appen integrations (3)

Integrations rated by users

We looked through 38 user reviews, to identify which products are mentioned as Appen integrations, and what is the users perception.

Payoneer logo
Payoneer

Integration rating: 5.0 (1)

Payoneer should be used with Appen platform in order to get account activated. If we didn't link Payoneer account, We didn't get any tasks.

AvatarImg

Pratap Mattaparthi

Student

TensorFlow logo
TensorFlow

Integration rating: 5.0 (1)

This integration allows for seamless integration of training data generated through Appen's services into machine learning workflows.

DA

Dvock Akoi

Software Tester

Integration rating: 4.0 (1)

Appen support options

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Platforms supported

Web
Android
iPhone/iPad

Support options

Chat
Phone Support
Email/Help Desk
FAQs/Forum

Appen reviews

Overall rating

4.1

/5

38

Positive reviews

82

%

Rating breakdown
  • Value for money
  • Ease of use
  • Features
  • Customer support
  • Likelihood to recommend8.11/10
Rating distribution

5

4

3

2

1

12

19

5

1

1

Pros
My overall experience with Appen has been highly positive and rewarding. From the moment I joined as a contributor, I was impressed by the professionalism and efficiency of their operations.
The best feature of appen is that it provides rewards for performing some tasks like web captures and translations. The user interface is very friendly and easy to set up.
It allows me to keep up with technology and put in my educational background to help companies further themselves in technology. It helps the internet become better and more informative.
Cons
I tired the process again, however, I received the same error message so I responded to them with that regard and requested for further support.
The problem is that once you are on the app/website there are buttons where it says "Work This", but when you clicked on it you'll receive an error.
Sometimes, it takes forever for an applicant (contractor) to get a feedback from Appen regarding an application status. Their customer service is DEAD.

Appen FAQs

Q. Who are the typical users of Appen?

Appen has the following typical customers:
Freelancers, Large Enterprises, Mid Size Business, Small Business

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Q. What languages does Appen support?

Appen supports the following languages:
English


Q. Does Appen offer an API?

No, Appen does not have an API available.


Q. What level of support does Appen offer?

Appen offers the following support options:
Chat, Phone Support, Email/Help Desk, FAQs/Forum

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