Free and open first

Best Secure Messaging Apps in 2026 — page 2

36 apps
Research read 23 Sept 2026
How the order is worked out

26

WhatsApp
by WhatsApp
Free plan AndroidAPIiPhone+3

Pick WhatsApp for free messaging and encrypted calls, with support for large groups and linked devices.

7.0 Free plan Visit site
27

Kontalk

Free plan Android

6.9 Free plan Visit site
28

Quicksy

Free plan AndroidiPhone

6.9 Free plan Visit site
29

SchildiChat

Free plan AndroidLinuxMac+2

6.9 Free plan Visit site
30

Wire
by Wire
Free plan AndroidiPhoneLinux+3

Wire brings messaging, conferencing and file collaboration together, with deployment choices that include offline or air-gapped on-premises environments.

6.9 Free plan · paid from €7.45/user/mo (annual) Visit site
31

WowApp

Free plan AndroidiPhoneMac+2

Pick WowApp if you want communication tools and calling alongside several ways to earn, donate, or redeem WowCoins.

6.9 Free plan Visit site
32

Molly

Free plan Android

Molly provides Signal-compatible Android messaging with additional privacy and security controls. Choose between the standard and FOSS editions, and note the server requirement for UnifiedPush.

6.6 Free plan Visit site
33

Zangi

Free plan AndroidiPhone

Zangi offers a phone-number-free identity alongside messaging, calls, and media sharing.

6.6 Free plan · paid from $5/mo Visit site
34

Snikket

Free trial AndroidiPhoneLinux+2

Snikket combines encrypted messaging, group communication, and decentralized services with self-hosting or managed hosting choices.

6.0 From $6/mo · 14-day trial Visit site
35

Threema

Free trial AndroidAPIiPhone+5

Threema combines encrypted messaging, open-source clients, and business integration options.

5.9 From 6 · 30-day trial Visit site
36

TigerConnect Secure Text Messaging

Paid AndroidiPhoneLinux+3

Healthcare organizations seeking role-based clinical messaging, routed alerts, and patient context should consider TigerConnect.

5.4 Pricing on request Visit site