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What is Appen?

Appen harnesses the capabilities of over a million individuals globally, leveraging advanced algorithms to generate top-notch training data tailored for your machine learning initiatives. By simply uploading your data onto our platform, we will deliver all the required annotations and labels that form the foundation of accurate model training. Properly annotated data is crucial for any AI or ML model to function effectively, as it enables your models to make informed decisions. Our system merges human insights with state-of-the-art techniques to annotate a diverse array of raw data, encompassing text, images, audio, and video. This process ensures that the precise ground truth is established for your models. Additionally, our user-friendly interface allows for easy navigation and offers the flexibility to interact programmatically through our API, making the integration seamless and efficient. With Appen, you can be confident in the quality and reliability of your training data.

What is Rev?

Rev is an Investigative Intelligence Platform designed to help lawyers, law enforcement teams, court reporters, and investigators find critical evidence in minutes instead of hours. The platform turns evidence files into searchable, citable case records across audio, video, PDFs, Word documents, TXT files, images, depositions, intake recordings, police reports, body cam footage, jail calls, parole hearings, and medical records. Rev provides AI transcription for early review and case preparation, along with human transcription for situations that require higher accuracy, admissibility, sensitive recordings, or witness testimony. Users can ask direct questions across their evidence files to surface contradictions, reconstruct timelines, identify key facts, and find moments that may change a case. Every answer is cited back to the original record so teams can inspect the source and defend their conclusions. Rev also helps turn findings into memos, outlines, case summaries, motions, trial briefs, and affidavits while keeping citations linked to the source material. Its document editor lets users edit work inline and export to PDF or Word without leaving the platform. Transcript editing and clipping tools help teams mark up testimony, create timestamped clips, prepare exhibits, and share evidence securely. Secure dictation lets users record intake calls or field notes from a phone and sync files to desktop for case preparation. Rev emphasizes legal-grade security with encrypted uploads, confidential workflows, and a commitment that uploaded data is not sold or used to train third-party LLMs. By combining AI and human transcription, evidence analysis, document drafting, citation-backed answers, transcript editing, clipping, mobile dictation, and secure evidence workflows, Rev helps legal and investigative teams own the facts and pursue the truth.

Media

Media

Integrations Supported

Amazon EC2
Amazon Redshift
Amazon S3
Brightcove
Easyflow
Ensemble Distribution Solution
Google Cloud Platform
IBM Cloud
Kaltura
Microsoft Azure
Panoply
Pipedream
Rev AI
Vimeo
YouTube
YuJa
Zoom

Integrations Supported

Amazon EC2
Amazon Redshift
Amazon S3
Brightcove
Easyflow
Ensemble Distribution Solution
Google Cloud Platform
IBM Cloud
Kaltura
Microsoft Azure
Panoply
Pipedream
Rev AI
Vimeo
YouTube
YuJa
Zoom

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$29.99 per seat/month
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Appen

Date Founded

1996

Company Location

Australia

Company Website

appen.com

Company Facts

Organization Name

Rev

Date Founded

2010

Company Location

United States

Company Website

www.rev.com

Categories and Features

Artificial Intelligence

Chatbot
For Healthcare
For Sales
For eCommerce
Image Recognition
Machine Learning
Multi-Language
Natural Language Processing
Predictive Analytics
Process/Workflow Automation
Rules-Based Automation
Virtual Personal Assistant (VPA)

Data Labeling

Human-in-the-loop
Labeling Automation
Labeling Quality
Performance Tracking
Polygon, Rectangle, Line, Point
SDK
Supports Audio Files
Task Management
Team Collaboration
Training Data Management

Machine Learning

Deep Learning
ML Algorithm Library
Model Training
Natural Language Processing (NLP)
Predictive Modeling
Statistical / Mathematical Tools
Templates
Visualization

Speech Analytics

Automatic Transcription
Call Center Management
Call Recording
Customer Experience Management
Data Security
Natural Language Processing
Predictive Analytics
Self-Service Search
Sentiment Analysis
Surveys & Feedback

Categories and Features

Medical Transcription

Abbreviation Expansion
Archiving & Retention
Audio File Management
Audio Transmission
Customizable Macros
Transcription Reporting
Voice Capture
Voice Recognition

Speech Recognition

Audio Capture
Automatic Form Fill
Automatic Transcription
Call Analysis
Concatenated Speech
Continuous Speech
Customizable Macros
Multi-Languages
Specialty Vocabularies
Speech-to-Text Analysis
Variable Frequency
Voice Recognition

Transcription

AI / Machine Learning
Annotations
Audio/Video File Upload
Automatic Transcription
Collaboration Tools
File Sharing
For Manual Transcription
Full Text Search
Multi-Language Support
Natural Language Processing (NLP)
Playback Controls
Speech Recognition
Subtitles
Text Editor
Timecoding

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