A writing assistant used by 30 million people daily that checks grammar, rewrites sentences for clarity, adjusts tone, and now generates full drafts with its AI writing feature.
Best For
Teams & solo builders
Key Pros & Cons
Strengths
- Bulk data export β your data stays portable
Watch Out For
- Low community score (8/100) β smaller support network
Market Momentum
47
-25
24h
+29
7d
+42
30d
14-day heat score history
Creator Buzz3
Search Interest52
Community Activity8
Community Signals
Product Hunt
380
upvotes
Abandonment & Maintenance Risk
Low Risk
Trend phaseRising
30-day score change+42 pts
Listed on HookFlow4mo old
Discontinued flagβ No
Risk Factors
- No major abandonment signals detected
- Active growth β strong maintenance signal
Data Lock-In Index
67
/ 100 (lower = more open)
β Webhooks Outβ Bulk Exportβ Open Formats
Pricing: Freemium | Free trial: Yes
vs. Category Peers (AI Writing)
Tool
A.R.C.
Heat
7d Ξ
Lock-In
Grammarly (this)
β
47
+29
67
Jasperβ² Rising
β
93
+76
34
Writerβ² Rising
β
89
+67
100
Sudowriteβ² Rising
β
43
+38
Snapshot Disclaimer: All scores, rankings, and metrics in this report reflect data as of June 20, 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 20, 2026hookflow.ai