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 — your data stays portable
Watch Out For
- Low community score (27/100) — smaller support network
Market Momentum
47
+26
24h
+19
7d
-5
30d
14-day heat score history
Creator Buzz46
Search Interest62
Community Activity27
Growth Momentum48
Score ForecastConfidence: low
23
7-day est.
23
14-day est.
Trend slope: 0.00 pts/day
What This Score Means
Grammarly holds a heat score of 47 in AI Writing — moderate visibility with room to grow.
Community Signals
Product Hunt
390
upvotes
Abandonment & Maintenance Risk
Low Risk
Trend phase—
30-day score change-5 pts
Listed on HookFlow5mo old
Discontinued flag✓ No
Risk Factors
- No major abandonment signals detected
Data Lock-In Index
67
/ 100 (lower = more open)
○ Webhooks Out✓ Bulk Export○ Open Formats
Pricing: Freemium | Free trial: Yes
vs. Category Peers (AI Writing)
Tool
A.R.C.
Heat
7d Δ
Lock-In
Grammarly (this)
—
47
+19
67
Jasper▲ Rising
—
68
+14
34
Writer▲ Declining
—
51
-1
100
AI Humanizer▲ Rising
—
41
+9
100
Bibby▲ Rising
—
40
+12
100
Wordtune▲ Rising
—
37
+11
67
Lock-In: 0 = fully open, 100 = maximum data lock-in. A.R.C. = Architecture · Reliability · Context score (A–F).
Snapshot Disclaimer: All scores, rankings, and metrics in this report reflect data as of August 4, 2026. Heat scores, community activity, and market momentum are recalculated daily — figures shown here represent a point-in-time snapshot and may differ from current values on HookFlow.ai.
HookFlow.ai Infrastructure Report — August 4, 2026hookflow.ai