Alternatives · Email
CTemplar alternatives
As of Nov 13, 2026, the best CTemplar alternative for most people is Proton Mail (3.0 GPA), third in our ranking of email apps. It's also the best free one.
CTemplar compared with 5 alternatives: Proton Mail, Tuta Mail, Mailfence, StartMail and mailbox.
CTemplar has a free plan. Paid plans start at $8 per month. 3 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a CTemplar sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| CTemplarThis tool | Free plan · from $8/mo | Yes | Web, iOS, Android |
| Proton Mail | Free plan · from $3.99/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| Tuta Mail | Free plan · from €3/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| Mailfence | Free plan · from €2.50/mo | Yes | Web, iOS, Android |
| StartMail | Free trial · from $4.99/mo | Trial only | Web, Android |
| mailbox | Free trial · from €1/mo | Trial only | Web |
Price against what you get
CTemplar starts at $8 a month and scores 2.3 out of 4 on features, ease of use and platforms. 3 of the 5 alternatives on this chart score higher and start lower: Proton Mail, Tuta Mail and Mailfence.
StartMail and mailbox start lower without scoring higher.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from CTemplar
Proton Mail
End-to-end encrypted email service based in Switzerland
- Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly.
- Proton Mail also lists macOS, Windows and Linux apps.
- Proton Mail also covers calendar.
Suits: People who want an email provider that cannot read their messages
Tuta Mail
End-to-end encrypted email and calendar from Germany
- Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan).
- Tuta Mail also lists Windows, macOS and Linux apps.
- Tuta Mail also covers calendar.
Suits: People who want mail, calendar and contacts encrypted by default
Mailfence
Private email from Belgium with built-in OpenPGP encryption
- Mailfence starts at €2.50 per month, billed yearly (Base).
- Mailfence also covers calendar and documents.
Suits: People who want OpenPGP encryption without installing a plug-in
StartMail
Paid private email from the Netherlands with unlimited aliases
- StartMail starts at $4.99 per month, billed annually ($59.88).
- StartMail has no free plan, only a free trial, unlike CTemplar.
- StartMail lists no iOS app, which CTemplar has.
- StartMail also covers inbox filtering.
Suits: People who want a paid, ad-free mailbox hosted in the Netherlands
mailbox
Paid, ad-free email with cloud storage and office tools from Germany
- mailbox starts at €1 per month, annual payment only (€12 a year, Light).
- mailbox has no free plan, only a free trial, unlike CTemplar.
- mailbox lists no iOS and Android apps, which CTemplar has.
- mailbox also covers tasks, calendar, documents, video calls and file sync.
Suits: People who want paid, ad-free email hosted in Germany
Limits worth knowing in CTemplar
- The free plan is by invitation, so it is not open sign-up, and it has no aliases and no self-destructing email.
- Encryption runs in the browser with JavaScript, which the site says is required.
- Monero payments are handled through support rather than automatically; Bitcoin and card payments are automatic.
- The vendor lists Linux, macOS and Windows desktop builds as being tested, not released, so only web, App Store and Google Play access is confirmed.
Common questions
What are the alternatives to CTemplar?
The alternatives to CTemplar in this directory are Proton Mail, Tuta Mail, Mailfence, StartMail and mailbox. Each one has a side-by-side comparison with CTemplar.
Is there a free alternative to CTemplar?
Yes. Proton Mail, Tuta Mail and Mailfence have a free plan alongside paid ones.
Which CTemplar alternatives work on Windows?
The CTemplar listing does not include a Windows app. Proton Mail and Tuta Mail list one.
Which CTemplar alternatives work on macOS?
The CTemplar listing does not include a macOS app. Proton Mail and Tuta Mail list one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.
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