Coach Pen vs a grammar / writing app
Beyond grammar fixes — coaching that lifts the score.
Grammar checkers and worksheet apps catch typos and drill generic exercises. Coach Pen marks your real writing against the exam rubric and teaches the techniques that actually move a band.
Coach Pen
Writing app
Marks to a real exam rubric
✓Per exam
✕Generic score
Coaches technique, not just errors
✓Ideas, voice, structure…
~Mostly grammar/spelling
Works on your own writing
✓Always
~Often fixed worksheets
Teaches one technique at a time
✓Stepped journey
✕Scattered drills
Tracks progress over time
✓Built in
~Varies
Cost
✓From free
~Often subscription
Try the one that actually teaches.
Other comparisons