Best Cerno AI Alternatives in 2026
Updated
20 tools from AI email assistants ranked against Cerno AI on the same published basis.
- 1Cerno AI vs Mailbutler Smart Assistant
- 2Cerno AI vs Perplexity
- 3Cerno AI vs Spark +AI
- 4Cerno AI vs Superhuman Go
- 5Cerno AI vs Serif
- 6Cerno AI vs Spike
- 7Cerno AI vs Fyxer
- 8Cerno AI vs Shortwave
- 9Cerno AI vs Drag
- 10Cerno AI vs MailMaestro
- 11Cerno AI vs Mailtwine
- 12Cerno AI vs MorningZero
- 13Cerno AI vs OpenMailBot
- 14Cerno AI vs Kerna
- 15Cerno AI vs MailWise
- 16Cerno AI vs EmailOps
- 17Cerno AI vs Kai
- 18Cerno AI vs Maillifier
- 19Cerno AI vs Ellie
- 20Cerno AI vs Inbox Zero
Cerno AI alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mailbutler Smart Assistant | 8.1 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 2 | Perplexity | 7.8 | Free plan | Android, API, iOS, Mac, Web, Windows | |
| 3 | Spark +AI | 7.6 | Free plan | $10/mo | Android, iOS, Mac, Windows |
| 4 | Superhuman Go | 7.6 | Free plan | $12/mo | Android, Browser, iOS, Mac, Web, Windows |
| 5 | Serif | 7.5 | Free plan | $30/mo | iOS, Mac, Web, Windows |
| 6 | Spike | 7.4 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 7 | Fyxer | 7.3 | Free plan | $22.50/mo | API, iOS, Web |
| 8 | Shortwave | 7.3 | $30/mo | Android, iOS, Mac, Web, Windows | |
| 9 | Drag | 7.1 | No | $12/mo | Android, API, Browser, iOS, Mac, Web, Windows |
| 10 | MailMaestro | 7.1 | Free plan | $12/mo | Browser, Web |
| 11 | Mailtwine | 7.1 | Android, iOS, Linux, Mac, Web, Windows | ||
| 12 | MorningZero | 7.1 | No | $15/mo | Android, Linux, Mac, Web, Windows |
| 13 | OpenMailBot | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 14 | Kerna | 7.0 | Free plan | €12/mo | Mac, Web, Windows |
| 15 | MailWise | 7.0 | Free plan | £15/mo | Web |
| 16 | EmailOps | 6.9 | Free plan | Free | Linux, Mac, Windows |
| 17 | Kai | 6.9 | No | $20/mo | Android, iOS, Mac, Web |
| 18 | Maillifier | 6.9 | Free plan | Free | self-hosted, Web |
| 19 | Ellie | 6.8 | Browser, Web, Windows | ||
| 20 | Inbox Zero | 6.8 | No | $20/mo | Android, API, Browser, iOS, self-hosted, Web |
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Questions about Cerno AI alternatives
What is the best alternative to Cerno AI?
Mailbutler Smart Assistant, number 1 in AI email assistants with a score of 8.1 out of 10. The others here: Perplexity, Spark +AI, Superhuman Go and 16 more.
What is the best free alternative to Cerno AI?
Mailbutler Smart Assistant is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.