Top Chrome Extensions for Gmail Email Tracker
Gmail Email Tracker Chrome extensions — 14K monthly searches · Rankings shifted 35× in 7 days · Top 3 partially locked by Email Tracker by Mailtrack®, MailTracker: Email tracker for Gmail
What Developers Can Learn
Intelligence derived from tracked keywords across all Gmail Email Tracker sub-keywords
Most Congested
This space is dominated by Email Tracker by Mailtrack with 3M users — 30x the runner-up.
A concentration ratio of 0.87 and 21 active extensions mean the top 2 players hold most installs.
New entrants must either match Mailtrack's feature set or find a defensible niche.
Possible Openings
Email Tracking Gmail and Email Tracking In Gmail each pull 14K+ monthly searches with likely lower competition.
Mail Merge Gmail (8.8K) offers an adjacent angle that sidesteps the crowded tracking space entirely.
Positioning Patterns
The top 3 average 4.5 stars — users expect reliability.
Mailtrack uses the ® symbol to signal brand legitimacy; cloudHQ leads with enterprise credibility.
The #2 extension wins on rating (4.7) despite a 30x user gap, suggesting quality differentiation matters more than raw scale.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  Email Tracker by Mailtrack® | 3,000,000+ | ⭐ 4.4 | 7/7d | Gmail | — stable |
| 2 |  MailTracker: Email tracker for Gmail | 100,000+ | ⭐ 4.7 | 7/7d | Gmail | — stable |
| 3 |  Email Tracker by cloudHQ | 20,000+ | ⭐ 4.1 | 7/7d | Gmail | ↓ dropping |
| 4 |  Email Tracker + Pixelblock Detector & Blocker | 300,000+ | ⭐ 4.6 | 7/7d | Gmail | ↑ rising |
| 5 |  Unlimited Email Tracker by Snov.io | 100,000+ | ⭐ 4.9 | 7/7d | Gmail | ↓ dropping |
| 6 |  Streak Email Tracking for Gmail | 70,000+ | ⭐ 4.8 | 7/7d | Gmail | ↓ dropping |
| 7 |  Clik - Email Tracker for Gmail | 290 | ⭐ 4.1 | 7/7d | Gmail | ↑ rising |
| 8 |  Mail Seen - Unlimited Email Tracker for Gmail | 5,000+ | ⭐ 4.7 | 7/7d | Gmail | ↓ dropping |
| 9 |  Free Email Tracker for Gmail, by Canary Mail | 4,000+ | ⭐ 3.9 | 7/7d | Gmail | ↓ dropping |
| 10 |  Free Unlimited Email Tracker for Gmail, No Signature | TrackMailBox | 4,000+ | ⭐ 4.6 | 7/7d | Gmail | ↓ dropping |
Email Tracker by Mailtrack®
3,000,000+ · ⭐ 4.4 · 7/7d
MailTracker: Email tracker for Gmail
100,000+ · ⭐ 4.7 · 7/7d
Email Tracker by cloudHQ
20,000+ · ⭐ 4.1 · 7/7d
Email Tracker + Pixelblock Detector & Blocker
300,000+ · ⭐ 4.6 · 7/7d
Unlimited Email Tracker by Snov.io
100,000+ · ⭐ 4.9 · 7/7d
Streak Email Tracking for Gmail
70,000+ · ⭐ 4.8 · 7/7d
Clik - Email Tracker for Gmail
290 · ⭐ 4.1 · 7/7d
Mail Seen - Unlimited Email Tracker for Gmail
5,000+ · ⭐ 4.7 · 7/7d
Free Email Tracker for Gmail, by Canary Mail
4,000+ · ⭐ 3.9 · 7/7d
Free Unlimited Email Tracker for Gmail, No Signature | TrackMailBox
4,000+ · ⭐ 4.6 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-07-14 to 2026-07-20)
✦ Entered Top 10 This Week
↓ Dropped Out of Top 10
Data Methodology
- Data source:
- Chrome Web Store search results
- Update frequency:
- Weekly
- Monthly Search Demand:
- Estimated demand indicator sourced from third-party keyword data. Not CWS-internal figures.