PluginStatsRobin Web Spy vs Substack Messaging Extension
Adoption and growth comparison · shareable link
Growth comparisons appear once each plugin has a reliable 7- or 30-day baseline.
| Plugin | Metric | Current | 7d | 30d | Daily rate (30d) | Rank | Rating | Ratings / day | Updated |
|---|---|---|---|---|---|---|---|---|---|
 Robin Web SpyChrome Web Store | Users | ~147 | — | — | — | #3275 | 5.0 | — | Stale · Oct 16, 2026 |
 Substack Messaging ExtensionChrome Web Store | Users | ~143 | — | — | — | #3320 | 3.7 | — | Stale · Oct 20, 2026 |