Side-by-side comparison · 24 data points
A tool that views the KML, KMZ (Zipped KML format) file on a map. You can open KML, KMZ files from URL or from Google Drive™.
| KML KMZ Viewer with Drive™ | Mergo Mail Merge | |
|---|---|---|
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| Description | ||
| Screenshots | images | images |
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| Listed | — | — |
| Last updated | — | — |
Send personalized mass emails from Gmail™ and track opens, clicks, replies, and follow-ups.
| Metric | KML KMZ Viewer with Drive™ | Mergo Mail Merge |
|---|---|---|
| Rating | 3.2 ★ | ★ 4.8 ★ |
| Total reviews | 332 | ★ 7.6k |
| Active installs | 969,077+ | 3,464,068+ |
| Free plan | Yes | Yes |
| Pricing | Free of charge | Free of charge with paid features |
Based on the data on this page, Mergo Mail Merge is the stronger choice for most Google Workspace Marketplace admins — 4.8★ vs KML KMZ Viewer with Drive™'s 3.2★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: KML KMZ Viewer with Drive™ at Free of charge, Mergo Mail Merge at Free of charge with paid features. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Mergo Mail Merge has the larger user base (7,624 reviews vs 332), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. KML KMZ Viewer with Drive™'s smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage admins who need fast install and low risk should default to Mergo Mail Merge; mid-market and enterprise admins with specific feature requirements should evaluate both — KML KMZ Viewer with Drive™'s 332-review base may include the workflow context that matches your specific use case better than Mergo Mail Merge's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Google Workspace Marketplace listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: KML KMZ Viewer with Drive™ audit • Mergo Mail Merge audit
No tracked changes.
Both KML KMZ Viewer with Drive™ and Mergo Mail Merge offer paid plans only. KML KMZ Viewer with Drive™ starts at Free of charge; Mergo Mail Merge starts at Free of charge with paid features. Compare the per-tier features in the Pricing section above before committing.
Mergo Mail Merge has the higher average rating (4.8★ from 7,624 reviews) compared to KML KMZ Viewer with Drive™ (3.2★ from 332 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Mergo Mail Merge holds the higher average rating (4.8★ vs 3.2★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Google Workspace Marketplace. Mergo Mail Merge has the deeper published review base (7,624 vs 332), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
KML KMZ Viewer with Drive™ typically suits early-stage and growth-mode teams based on its published review base (332 reviews). Mergo Mail Merge typically suits established teams with steady usage based on its published review base (7,624 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. KML KMZ Viewer with Drive™ and Mergo Mail Merge both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from KML KMZ Viewer with Drive™" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
