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Quillbot

Premium

AI Writing

ParaphrasingGrammar CheckerPlagiarism DetectionAcademic WritingAI Writing Assistant

72%

Overall Score

SFR × BFS combined

7.2

SFR Score

Real-world user fit · /10

BFS Score

Market momentum · /100

Score Breakdown

Accessibility

8.0

Learning Curve

9.0

Operational Friction

7.0

Output Consistency

7.0

Output Quality

7.0

Support Quality

6.0

Strategic Fit

7.0

SFR measures real-world usability and role-specific performance.How we score →