1. License Model: TestComplete requires users to purchase a license for a specific number of users, while mabl offers a subscription-based pricing model on a per-user basis, making it more scalable and cost-effective for larger teams.
2. Scripting Language: TestComplete supports scripting languages like JavaScript, Python, VBScript, etc., allowing more flexibility in test automation, whereas mabl's proprietary language simplifies the test creation process but may limit customization options for advanced users.
3. AI-Powered Testing: Mabl utilizes machine learning and AI algorithms to auto-heal tests, detect anomalies, and recommend improvements, making it ideal for continuous testing and reducing maintenance overhead, while TestComplete relies on manual adjustments and updates by testers.
4. Cloud Integration: Mabl seamlessly integrates with popular cloud platforms like AWS, Azure, and Google Cloud for enhanced scalability and testing capabilities, enabling users to run tests across different environments effortlessly, which may require additional setup and configuration in TestComplete.
5. Collaboration Features: Mabl provides built-in collaboration tools like shared dashboards, test insights, and easy sharing of test results, fostering teamwork and communication within QA teams, which may be lacking or require third-party tools in TestComplete.

In Summary, TestComplete and mabl differ in their license models, scripting languages, AI-powered testing capabilities, cloud integration, and collaboration features, catering to different needs and preferences in test automation tools.