Spark +AI comparisons
Spark +AI is compared head-to-head with Superhuman Go, Mailbutler Smart Assistant and Missive and more: 7 head-to-heads in AI Email Assistants, each with the specs and prices we checked.
Spark +AI head-to-head
- Spark +AI vs Superhuman Go
- Spark +AI vs Mailbutler Smart Assistant
- Spark +AI vs Missive
- Spark +AI vs MailMaestro
- Spark +AI vs Shortwave
- Spark +AI vs Superhuman Mail
- Spark +AI vs Spike
Spark +AI vs each of them
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 1 | Spark +AI | Yes | $10/user/mo | 9.2 |
| 2 | Superhuman Go | Yes | 8.8 | |
| 3 | Mailbutler Smart Assistant | Yes | $7/user/mo | 8.6 |
| 4 | Missive | No | $14/user/mo | 8.5 |
| 5 | MailMaestro | Yes | $12/seat/mo | 8.4 |
| 6 | Shortwave | Yes | $30/seat/mo | 8.3 |
| 7 | Superhuman Mail | No | $25/user/mo | 8.2 |
| 8 | Spike | Yes | $4/user/mo | 7.9 |
Compare Spark +AI with any AI email assistant
These are the matchups our editors wrote up. The compare tool pairs Spark +AI with any other product in AI Email Assistants — and up to four at once — from the same checked specs.
Compare Spark +AI with any tool side by side →
Every AI email assistants head-to-head →
Our full Spark +AI verdict, pricing and fact sheet →
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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update