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Gmelius and Spark Mail compared on features, pricing and Editor Score — to help you pick the right productivity & automation tool in 2026.
Quick verdict
Gmelius and Spark Mail score within a fraction of each other on our Editor Score. Pick Gmelius if you want shared inboxes and synchronized shared labels; choose Spark Mail for AI assistant for inbox search and actions. On pricing, each has a free or freemium plan, so cost isn't the deciding factor here.
| Pricing | Freemium | Freemium |
| Free tier | ||
| Best for | shared inboxes and synchronized shared labels | AI assistant for inbox search and actions |
AI shared inbox and collaboration for Gmail
Smart email app with AI writing and inbox summaries
Choose Gmelius if…
Choose Spark Mail if…
There's no one-size answer here: Gmelius leans into shared inboxes and synchronized shared labels, while Spark Mail is built for AI assistant for inbox search and actions. Weigh features and pricing for your workflow. Both have a free or freemium tier, so spin up each and keep the one that clicks.
Neither is universally better — it depends on your budget and which features matter most. The side-by-side breakdown above shows where each one wins.
Gmelius (freemium) is best for shared inboxes and synchronized shared labels, while Spark Mail (freemium) is best for AI assistant for inbox search and actions. See the full feature and pricing comparison above.
Both have paid plans — pricing depends on your usage tier. Open each tool's review for current prices, and watch for free trials.
Gmelius is usually the easier starting point thanks to a lower barrier to entry. Beginners should favour a free tier and a simple interface over raw power.
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Last updated August 2026. Comparisons are ranked by our Editor Score (features, value and pricing, blended with verified user reviews where a tool has them) — see our methodology.