Side-by-side comparison · 24 data points
A powerful mail merge and mass email system for Gmail™.
| GMass for Gmail™ | i CRM for Gmail™ | |
|---|---|---|
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| Description | ||
| Screenshots | images | images |
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| Listed | — | — |
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i CRM for Gmail™ is a flexible and robust CRM solution that works directly inside Gmail™ from any browser or in the Gmail™ MOBILE App.
| Metric | GMass for Gmail™ | i CRM for Gmail™ |
|---|---|---|
| Rating | ★ 4.8 ★ | 4.6 ★ |
| Total reviews | ★ 6.8k | 160 |
| Active installs | 1,212,112+ | 86,917+ |
| Free plan | Yes | Yes |
| Pricing | Free of charge with paid features | Free of charge trial |
GMass for Gmail™ edges out i CRM for Gmail™ on rating (4.8★ vs 4.6★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number.
Pricing entry tiers: GMass for Gmail™ at Free of charge with paid features, i CRM for Gmail™ at Free of charge trial. 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.
GMass for Gmail™ has the larger user base (6,790 reviews vs 160), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. i CRM for Gmail™'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 GMass for Gmail™; mid-market and enterprise admins with specific feature requirements should evaluate both — i CRM for Gmail™'s 160-review base may include the workflow context that matches your specific use case better than GMass for Gmail™'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: GMass for Gmail™ audit • i CRM for Gmail™ audit
Both GMass for Gmail™ and i CRM for Gmail™ offer paid plans only. GMass for Gmail™ starts at Free of charge with paid features; i CRM for Gmail™ starts at Free of charge trial. Compare the per-tier features in the Pricing section above before committing.
GMass for Gmail™ has the higher average rating (4.8★ from 6,790 reviews) compared to i CRM for Gmail™ (4.6★ from 160 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
GMass for Gmail™ holds the higher average rating (4.8★ vs 4.6★). 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. GMass for Gmail™ has the deeper published review base (6,790 vs 160), 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.
GMass for Gmail™ typically suits established teams with steady usage based on its published review base (6,790 reviews). i CRM for Gmail™ typically suits early-stage and growth-mode teams based on its published review base (160 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. GMass for Gmail™ and i CRM for Gmail™ 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 i CRM for Gmail™" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.