Best Demi Alternatives in 2026
Updated
20 apps from AI email assistants ranked against Demi on the same published basis.
- 1Demi vs Mailbutler Smart Assistant
- 2Demi vs Perplexity
- 3Demi vs Spike
- 4Demi vs Spark +AI
- 5Demi vs Superhuman Go
- 6Demi vs OpenMailBot
- 7Demi vs EmailOps
- 8Demi vs Kerna
- 9Demi vs Mailtwine
- 10Demi vs MailMaestro
- 11Demi vs MailWise
- 12Demi vs Shortwave
- 13Demi vs Needle
- 14Demi vs EmailAgent
- 15Demi vs Metis Mail
- 16Demi vs MorningZero
- 17Demi vs Replai
- 18Demi vs Drag
- 19Demi vs Maylee
- 20Demi vs Missive
Demi alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mailbutler Smart Assistant | 7.5 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 2 | Perplexity | 7.5 | Free plan | $20/mo | Android, API, iOS, Mac, Web, Windows |
| 3 | Spike | 7.3 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 4 | Spark +AI | 7.1 | Free plan | $10/mo | Android, iOS, Mac, Windows |
| 5 | Superhuman Go | 7.1 | Free plan | $12/mo | Android, Browser, iOS, Mac, Web, Windows |
| 6 | OpenMailBot | 7.0 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 7 | EmailOps | 6.9 | Free plan | Free | Linux, Mac, Windows |
| 8 | Kerna | 6.9 | Free plan | €12/mo | Mac, Web, Windows |
| 9 | Mailtwine | 6.9 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 10 | MailMaestro | 6.7 | Free plan | $12/mo | Browser, Web |
| 11 | MailWise | 6.7 | Free plan | £15/mo | Web |
| 12 | Shortwave | 6.6 | No | $30/mo | Android, iOS, Mac, Web, Windows |
| 13 | Needle | 6.5 | Free plan | Free | Web |
| 14 | EmailAgent | 6.4 | Free plan | Free | Web |
| 15 | Metis Mail | 6.4 | Free plan | $9.58/mo | self-hosted, Web |
| 16 | MorningZero | 6.4 | No | $15/mo | Android, Linux, Mac, Web, Windows |
| 17 | Replai | 6.4 | Free plan | $6/mo | Web |
| 18 | Drag | 6.3 | No | $12/mo | Android, API, Browser, iOS, Mac, Web, Windows |
| 19 | Maylee | 6.3 | No | $17/mo | Android, iOS, Mac, Web, Windows |
| 20 | Missive | 6.3 | No | $14/mo | Web, Windows, Mac, iOS, Android |
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Questions about Demi alternatives
What is the best alternative to Demi?
Mailbutler Smart Assistant, number 1 in AI email assistants with a score of 7.5 out of 10. The others here: Perplexity, Spike, Spark +AI and 16 more.
What is the best free alternative to Demi?
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 what each maker publishes: documentation depth, a free tier and the platforms it runs on.