Best Spark +AI Alternatives in 2026
Updated
20 platforms from AI email assistants ranked against Spark +AI on the same published basis.
- 1Spark +AI vs Mailbutler Smart Assistant
- 3Spark +AI vs Superhuman Go
- 4Spark +AI vs Perplexity
- 5Spark +AI vs MailMaestro
- 6Spark +AI vs MailWise
- 7Spark +AI vs Shortwave
- 8Spark +AI vs Spike
- 9Spark +AI vs Kerna
- 10Spark +AI vs OpenMailBot
- 11Spark +AI vs Mailtwine
- 12Spark +AI vs Drag
- 13Spark +AI vs MorningZero
- 14Spark +AI vs EmailOps
- 15Spark +AI vs Inbox Zero
- 16Spark +AI vs Kai
- 17Spark +AI vs Needle
- 18Spark +AI vs EmailAgent
- 19Spark +AI vs Metis Mail
- 20Spark +AI vs Replai
- 21Spark +AI vs Demi
Spark +AI alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mailbutler Smart Assistant | 8.0 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 3 | Superhuman Go | 7.7 | Free plan | $12/mo | Android, Browser, iOS, Mac, Web, Windows |
| 4 | Perplexity | 7.6 | Free plan | $20/mo | Android, API, iOS, Mac, Web, Windows |
| 5 | MailMaestro | 7.5 | Free plan | $12/mo | Browser, Web |
| 6 | MailWise | 7.4 | Free plan | £15/mo | Web |
| 7 | Shortwave | 7.1 | No | $30/mo | Android, iOS, Mac, Web, Windows |
| 8 | Spike | 7.1 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 9 | Kerna | 7.0 | Free plan | €12/mo | Mac, Web, Windows |
| 10 | OpenMailBot | 7.0 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 11 | Mailtwine | 6.9 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 12 | Drag | 6.8 | No | $12/mo | Android, API, Browser, iOS, Mac, Web, Windows |
| 13 | MorningZero | 6.8 | No | $15/mo | Android, Linux, Mac, Web, Windows |
| 14 | EmailOps | 6.7 | Free plan | Free | Linux, Mac, Windows |
| 15 | Inbox Zero | 6.7 | No | $20/mo | Android, API, Browser, iOS, self-hosted, Web |
| 16 | Kai | 6.7 | No | $20/mo | Android, iOS, Mac, Web |
| 17 | Needle | 6.7 | Free plan | Free | Web |
| 18 | EmailAgent | 6.6 | Free plan | Free | Web |
| 19 | Metis Mail | 6.6 | Free plan | $9.58/mo | self-hosted, Web |
| 20 | Replai | 6.6 | Free plan | $6/mo | Web |
| 21 | Demi | 6.4 | Free plan | $25/mo | Mac |
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Questions about Spark +AI alternatives
What is the best alternative to Spark +AI?
Mailbutler Smart Assistant, number 1 in AI email assistants with a score of 8.0 out of 10. The others here: Superhuman Go, Perplexity, MailMaestro and 16 more.
What is the best free alternative to Spark +AI?
Mailbutler Smart Assistant is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.