This page's audience our own tag's counts — open to see them

Period

–Visits

–Page views

–Clicks to vendors

–Time on page

–Reading now

Clicks to vendors, by tool

Top countries

Devices

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Best Private.Ki Mail Alternatives in 2026

Freemium#23 of 28 in Secure Email Providers

The top Private.Ki Mail alternatives are Proton Mail, Tuta Mail and Aster Mail: 15 secure email providers our editors would look at instead of Private.Ki Mail, in our ranking order.

6.2/10Editor score

Visit Private.Ki

Private.Ki Mail6.2 Visit Private.Ki

15 alternatives
Updated Oct 2026
Our Private.Ki Mail verdict

Private.Ki Mail: A focused choice for encrypted mail between Private.Ki users. Where it falls short: currently available through the web application.

Switching from Private.Ki Mail? For most secure email providers buyers the best Private.Ki Mail alternative is Proton Mail, built for most users seeking a complete secure email suite. On a budget, Aster Mail starts at $2.42/user/mo, against $5/mo for Private.Ki Mail. Aster Mail offers the most mailbox storage (50 GB).

Why People Look for a Private.Ki Mail Alternative

Currently available through the web application
External-recipient encryption depends on the recipient having a key
The Plus tier is planned and not yet on sale
Paid from $5/user/mo — Aster Mail is $2.42/user/mo

Quick Picks by What You Need

Best overallProton Mail9.4
Most users seeking a complete secure email suite
Visit Proton Mail
Lowest priceAster Mail8.9
Paid plans from $2.42/user/mo
Visit Aster Mail
Best free optionProton Mail9.4
Has a free plan
Visit Proton Mail
Most mailbox storageAster Mail8.9
50 GB
Visit Aster Mail

All 15 Private.Ki Mail Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

1
Proton Mail
Best forMost users seeking a complete secure email suite
- Better than Private.Ki Mail:
- Editor score 9.4 vs 6.2
A complete secure email suite with a capable free plan and wide platform coverage.
- Encrypted calendar
- Custom domain
- End-to-end encryption
Free plan Our Proton Mail verdict → Visit Proton Mail
9.4/10★★★★★
Visit Proton Mail
2
Tuta Mail
Best forUsers prioritizing deep encryption and privacy
- Better than Private.Ki Mail:
- Editor score 9.2 vs 6.2
A privacy-focused email service with strong encryption and open-source apps.
- Encrypted calendar
- Custom domain
- End-to-end encryption
Free plan Our Tuta Mail verdict → Visit Tuta Mail
9.2/10★★★★★
Visit Tuta Mail
3
Aster Mail
Best forFeature-rich secure email at a low price
- Better than Private.Ki Mail:
- Paid from: $2.42/user/mo vs $5/user/mo
- Editor score 8.9 vs 6.2
A low-cost secure email service with encryption, aliases, domains, and broad device support.
- Custom domain
- End-to-end encryption
Free plan Our Aster Mail verdict → Visit Aster Mail
8.9/10★★★★☆
Visit Aster Mail
4
Mailfence
Best forSecure email plus collaboration tools
- Better than Private.Ki Mail:
- Editor score 8.6 vs 6.2
A secure email suite with OpenPGP, collaboration tools, and broad protocol support.
- End-to-end encryption
Free plan Our Mailfence verdict → Visit Mailfence
8.6/10★★★★☆
Visit Mailfence
5
eclipso Mail Europe
Best forAffordable encrypted email with standard protocols
- Better than Private.Ki Mail:
- Editor score 8.4 vs 6.2
Affordable encrypted email with standard protocols, aliases, and cloud tools.
- End-to-end encryption
Free plan Our eclipso Mail Europe verdict → Visit eclipso Mail
8.4/10★★★★☆
Visit eclipso Mail
6
mailbox
Best forLow-cost secure hosting with client flexibility
- Better than Private.Ki Mail:
- Editor score 8.2 vs 6.2
A flexible secure email service with low-cost annual plans and broad client support.
- Custom domain
- End-to-end encryption
30-day trial Our mailbox verdict → Visit mailbox
8.2/10★★★★☆
Visit mailbox
7
Runbox
Best forCustom-domain users wanting mature private hosting
- Better than Private.Ki Mail:
- Editor score 8.0 vs 6.2
A mature private email host with broad protocol support, but only 2 GB on its entry plan.
- Custom domain
- End-to-end encryption
30-day trial Our Runbox verdict → Visit Runbox
8.0/10★★★★☆
Visit Runbox
8
Mailo
Best forHigh-storage freemium email users
- Better than Private.Ki Mail:
- Editor score 7.9 vs 6.2
A generous free tier with strong alias, storage and protocol support.
- Custom domain
- End-to-end encryption
Free plan Our Mailo verdict → Visit Mailo
7.9/10★★★★☆
Visit Mailo
9
mail.de
Best forBudget users wanting free encrypted email
- Better than Private.Ki Mail:
- Editor score 7.8 vs 6.2
A low-cost encrypted email provider with useful protocols and modest storage tiers.
- End-to-end encryption
Free plan · 30-day trial Our mail.de verdict → Visit mail.de
7.8/10★★★★☆
Visit mail.de
10
SecureMyEmail
Best forEncrypting existing email accounts across devices
- Better than Private.Ki Mail:
- Editor score 7.7 vs 6.2
A flexible encryption layer for personal and business email across four operating systems.
- End-to-end encryption
Free plan · 30-day trial Our SecureMyEmail verdict → Visit SecureMyEmail
7.7/10★★★★☆
Visit SecureMyEmail
11
StartMail
Best forPrivacy-focused users who need disposable aliases
- Better than Private.Ki Mail:
- Paid from: $4.99/user/mo vs $5/user/mo
- Editor score 7.6 vs 6.2
A privacy-focused mailbox with strong aliasing and encryption, but no free plan.
- Custom domain
- End-to-end encryption
7-day trial Our StartMail verdict → Visit StartMail
7.6/10★★★★☆
Visit StartMail
12
CounterMail
Best forSecurity specialists wanting hardened email features
- Better than Private.Ki Mail:
- Editor score 7.5 vs 6.2
A privacy-focused email service with strong encryption features and limited availability.
- Custom domain
- End-to-end encryption
10-day trial Our CounterMail verdict → Visit CounterMail
7.5/10★★★★☆
Visit CounterMail
13
Soverin
Best forUsers wanting large storage and unlimited aliases
- Better than Private.Ki Mail:
- Editor score 7.4 vs 6.2
A paid mailbox for privacy-minded users who value storage, aliases, and open standards.
- Custom domain
- End-to-end encryption
Our Soverin verdict → Visit Soverin
7.4/10★★★★☆
Visit Soverin
14
NevTan Mail
Best forVery low-cost custom-domain mailbox hosting
- Better than Private.Ki Mail:
- Editor score 7.3 vs 6.2
A low-cost custom-domain mailbox service with useful team and calendar tools.
- Encrypted calendar
- Custom domain
Free plan Our NevTan Mail verdict → Visit NevTan Mail
7.3/10★★★★☆
Visit NevTan Mail
15
OwnMail
Best forUsers wanting post-quantum encryption and AI tools
- Better than Private.Ki Mail:
- Paid from: $4.99/user/mo vs $5/user/mo
- Editor score 7.2 vs 6.2
A web-based secure email service with post-quantum encryption, aliases, and AI tools.
- Custom domain
- End-to-end encryption
Free plan · 14-day trial Our OwnMail verdict → Visit OwnMail
7.2/10★★★★☆
Visit OwnMail

Private.Ki Mail Alternatives: Common Questions

What is the best alternative to Private.Ki Mail?

Proton Mail: #1 in our Secure Email Providers ranking, with an editor score of 9.4 out of 10. A complete secure email suite with a capable free plan and wide platform coverage.

Is there a free alternative to Private.Ki Mail?

Yes. Proton Mail, Tuta Mail, Aster Mail, Mailfence and eclipso Mail Europe have a free plan or a free tier (10 of the 15 alternatives on this page).

What is the cheapest paid alternative to Private.Ki Mail?

Of the alternatives here that publish a price, Aster Mail starts lowest, at $2.42/user/mo.

Why do people look for Private.Ki Mail alternatives?

Currently available through the web application; External-recipient encryption depends on the recipient having a key; The Plus tier is planned and not yet on sale.

Which Private.Ki Mail alternative has the most mailbox storage?

Aster Mail, with 50 GB.

How do I switch from Private.Ki Mail?

Export your data from Private.Ki Mail (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Private.Ki Mail.

How to Switch from Private.Ki Mail

Export your data from Private.Ki Mail (most tools have an export in their settings).
Sign up for the alternative; start on its free plan or trial if it has one.
Import your export and set up the integrations your team relies on.
Run both side by side for a short while, then cancel Private.Ki Mail.

Private.Ki Mail vs Each Alternative

#	Tool	Free plan	Paid from	End-to-end encryption	Custom domain	Mailbox storage	Email aliases	Score
23	Private.Ki Mail	Yes	$5/mo	Yes				6.2
1	Proton Mail	Yes		Yes	Yes	15 GB	10 aliases	9.4
2	Tuta Mail	Yes	€3/user/mo	Yes	Yes	20 GB	15 aliases	9.2
3	Aster Mail	Yes	$2.42/user/mo	Yes	Yes	50 GB	15 aliases	8.9
4	Mailfence	Yes	€2.50/mo	Yes	No	5 GB	10 aliases	8.6
5	eclipso Mail Europe	Yes		Yes	No	10 GB	10 aliases	8.4
6	mailbox	No	€1/mo	Yes	Yes	2 GB	3 aliases	8.2
7	Runbox	No	€1.66/user/mo	Yes	Yes	2 GB	100 aliases	8.0
8	Mailo	Yes	€1.50/user/mo	Yes	Yes	20 GB	100 aliases	7.9
9	mail.de	Yes	€0.99/mo	Yes		2.5 GB	1 aliases	7.8
10	SecureMyEmail	Yes		Yes				7.7
11	StartMail	No	$4.99/user/mo	Yes	Yes	20 GB		7.6
12	CounterMail	No	$29/user/mo	Yes	Yes	4 GB		7.5
13	Soverin	No	€3.25/user/mo	Yes	Yes	25 GB		7.4
14	NevTan Mail	Yes	$2/yr		Yes	35 GB		7.3
15	OwnMail	Yes	$4.99/mo	Yes	Yes	10 GB		7.2

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update