Yes, both Semanticscholar and Avidnote offer a Free Trial.
The starting price of Avidnote begins at $19/month, while pricing details for Semanticscholar are unavailable.
Semanticscholar offers several advantages, including Aggregates scientific literature, Covers various science fields, Archives over 211 million papers, Includes Semantic Reader for augmented reading, Improved API for developers and many more functionalities.
The cons of Semanticscholar may include a Limited to scientific literature, No offline access, No language translation options, Requires sign up for alerts. and No mobile application
Avidnote offers several advantages, including Assists in rewriting text, Proofreading functionality, Content summarization feature, Research gap identification, Generates text from descriptions and many more functionalities.
The cons of Avidnote may include a Limited free plan, Expensive premium plans, Limited storage space, No offline functionality. and Transcription accuracy not specified