Best Secure Email Providers in 2026
Updated
28ranked
0free plans on this page
€1.66/molowest paid tier
10 Oct 2026last checked
0 of 3 with known pricing have a free tier;0 apps show full bars: free, open, on most devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | StartMailWeb · Windows · Mac · Android · iPhone | Two bars | No | 5 of 6 | $4.99/mo | 5.2 | |
| 27 | RunboxWeb · Android · iPhone | Two bars | No | 3 of 6 | €1.66/mo | 5.1 | |
| 28 | Secure-Email.orgWeb | One bar | No | 1 of 6 | €4.17/mo | 5.0 |
Compare all 3 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | End-to-end encryption | Custom domain |
|---|---|---|---|---|---|---|---|---|
| 26 | StartMail | 5.2 | No | $4.99/mo | No | 4.99 /user/mo | Yes | Yes |
| 27 | Runbox | 5.1 | No | €1.66/mo | No | Yes | Yes | |
| 28 | Secure-Email.org | 5.0 | No | €4.17/mo | No | Yes |
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