Deep grammar and style checker for serious writers. 25+ writing reports covering style, readability, clichΓ©s, and consistency. Works in Word and Scrivener.
Best For
Teams & solo builders
Key Pros & Cons
Watch Out For
- Low community score (8/100) β smaller support network
Market Momentum
31
+8
24h
+26
7d
+26
30d
14-day heat score history
Creator Buzz11
Search Interest5
Community Activity8
Abandonment & Maintenance Risk
Low Risk
Trend phaseEmerging
30-day score change+26 pts
Listed on HookFlow2mo old
Discontinued flagβ No
Risk Factors
- No major abandonment signals detected
- Active growth β strong maintenance signal
Data Lock-In Index
100
/ 100 (lower = more open)
β Webhooks Outβ Bulk Exportβ Open Formats
vs. Category Peers (AI Writing)
Tool
A.R.C.
Heat
7d Ξ
Lock-In
ProWritingAid (this)
β
31
+26
100
Jasperβ² Rising
β
93
+76
34
Writerβ² Rising
β
89
+67
100
Grammarlyβ² Rising
β
47
+29
Snapshot Disclaimer: All scores, rankings, and metrics in this report reflect data as of June 21, 2026. Heat scores, community activity, and market momentum are recalculated daily β figures shown here represent a point-in-time snapshot and may differ from current values on HookFlow.ai.
HookFlow.ai Infrastructure Report β June 21, 2026hookflow.ai