Side-by-side comparison · 24 data points
A powerful GPT-5.5 and Claude Fable AI agent in Google Sheets™, Docs™, Slides™, Gmail™ and Drive™
| GPT Workspace | Mailmeteor | |
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| Description | ||
| Screenshots | images | images |
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| Listed | — | — |
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Send hundreds of personalized emails from Google Sheets ™. Includes: mail merge, tracking, scheduling, follow-ups, automations and powerful AI features. Try it now, it's free!
| Metric | GPT Workspace | Mailmeteor: Mail merge for Google Sheets ™ |
|---|---|---|
| Rating | 4.8 ★ | ★ 4.9 ★ |
| Total reviews | 5.5k | ★ 12k |
| Active installs | 7,879,258+ | 7,709,320+ |
| Free plan | Yes | Yes |
| Pricing | Free of charge with paid features | Free of charge with paid features |
GPT Workspace and Mailmeteor: Mail merge for Google Sheets ™ are evenly matched on rating (4.8★ vs 4.9★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: GPT Workspace at Free of charge with paid features, Mailmeteor: Mail merge for Google Sheets ™ 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.
Mailmeteor: Mail merge for Google Sheets ™ has the larger user base (11,674 reviews vs 5,481), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. GPT Workspace's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort for 7-14 days before committing. The data tables below show the per-feature breakdown — for most admins the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone.
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: GPT Workspace audit • Mailmeteor: Mail merge for Google Sheets ™ audit
| Keyword | GPT Workspace | Mailmeteor |
|---|---|---|
| ai agent | #8 | Not ranked |
No tracked changes.
Both GPT Workspace and Mailmeteor: Mail merge for Google Sheets ™ offer paid plans only. GPT Workspace starts at Free of charge with paid features; Mailmeteor: Mail merge for Google Sheets ™ starts at Free of charge with paid features. Compare the per-tier features in the Pricing section above before committing.
GPT Workspace (4.8★, 5,481 reviews) and Mailmeteor: Mail merge for Google Sheets ™ (4.9★, 11,674 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Mailmeteor: Mail merge for Google Sheets ™ holds the higher average rating (4.9★ vs 4.8★). 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. Mailmeteor: Mail merge for Google Sheets ™ has the deeper published review base (11,674 vs 5,481), 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.
GPT Workspace typically suits established teams with steady usage based on its published review base (5,481 reviews). Mailmeteor: Mail merge for Google Sheets ™ typically suits established teams with steady usage based on its published review base (11,674 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. GPT Workspace and Mailmeteor: Mail merge for Google Sheets ™ 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 GPT Workspace" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
