1. Pricing Model: POEditor operates on a subscription-based pricing model where users pay a monthly fee based on the size of their projects, whereas Unbabel offers per-word pricing for translation services, making it more cost-effective for smaller projects or one-time translations.

2. Collaboration Features: POEditor provides collaboration tools such as role management, comments, and notifications that facilitate team collaboration on localization projects, while Unbabel focuses more on providing high-quality human translation services and may lack advanced collaboration features.

3. Supported Languages: POEditor supports a wide range of languages for translation and localization, making it a versatile tool for global projects, whereas Unbabel specializes in a smaller selection of languages, focusing on providing high-quality translations in those specific languages.

4. Automation Capabilities: POEditor offers automation features like API integration, translation memory, and machine translation to streamline the localization process and improve efficiency, whereas Unbabel relies heavily on human translators and may not offer as many automation options.

5. Customer Support: POEditor provides comprehensive customer support through various channels such as live chat, email, and tutorials, ensuring users have access to assistance when needed, while Unbabel may have limited customer support options available, potentially impacting the user experience.

6. Quality Control: POEditor allows users to set up workflows, glossaries, and quality checks to ensure the accuracy and consistency of translations, while Unbabel's focus on human translation may result in more personalized but potentially less consistent translations.

In Summary, POEditor and Unbabel differ in their pricing models, collaboration features, supported languages, automation capabilities, customer support, and quality control approaches.