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Comparison · 2026

Duet Mail vs Spark Mail

Duet Mail vs Spark Mail: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).

Pricing models differ: Duet Mail is free, Spark Mail is paid. Feature lists share 0 overlapping items across the two listings.

free

Duet Mail is an AI email assistant that summarizes long threads, suggests smart replies, and helps prioritize Gmail messages.

paid

Spark Mail is an email app for desktop, Android, and iOS with AI email writing, summaries, and inbox sorting.

Side-by-side

AttributeDuet MailSpark Mail
Rating——
Reviews——
Pricingfreepaid · $7.99
Votes00
CategoryAI CopilotAI Email Assistant

Features checklist

FeatureDuet MailSpark Mail
Saves time on email management
Improves email communication
Helps prioritize important emails
Provides instant summaries of long threads
Offers smart reply suggestions
Learns your tone and writing style
Spark +AI (Compose +AI
+AI Summary
+AI Templates and more)
Home Screen for Desktop
Priority Email
Group by Sender
Mute Threads (Android / iOS)
Large Attachments (Android / iOS)

FAQ