Signal vs WhatsApp: which is better in 2026
Short answer: both encrypt chats and calls end to end. Pick Signal when privacy matters most: it is run by a nonprofit, uses the open source Signal Protocol and says it collects no data, with groups up to 1,000 and group calls up to 50. Pick WhatsApp when your contacts are already there: simple chats, calls with up to 32 people, live location and Status. Both are in Ukrainian.
How we compare: what each maker says about its app in its own UA App Store description, encryption, who runs it, groups, calls and extras. Then the current place of both in the Censuus ranking.
| Signal | ||
|---|---|---|
| Best for | maximum privacy | chatting where your contacts already are |
| Encryption | end to end on every chat and call, Signal Protocol | end to end for chats and calls |
| Who runs it | Signal, a US nonprofit funded by donations | WhatsApp, part of Meta |
| Groups | up to 1,000 people with admin settings | encrypted group chats, call links |
| Calls | encrypted voice and video, groups up to 50 | voice and video, up to 32 people |
| Stories | Stories gone after 24 hours | Status updates gone after 24 hours |
| Ukrainian | yes | yes |
Privacy and who runs it
Signal is independent and not for profit, supported by donations rather than advertisers, and says it knows nothing about you or who you talk to, with no back doors and no data collection. WhatsApp also encrypts personal chats and calls end to end, and comes from Meta.
Groups and calls
Signal runs group chats up to 1,000 people with admin permissions and encrypted group calls up to 50. WhatsApp has encrypted group chats, call links, screen sharing and calls with up to 32 people.
Everyday extras
WhatsApp shares live location, voice messages and Status updates that disappear after 24 hours. Signal sends texts, voice messages, photos, videos, GIFs and files and has Stories that disappear after 24 hours with privacy settings for each one.
Verdict
Pick Signal for the most private chats from a nonprofit. Pick WhatsApp when your people are already there. More options are in messaging apps, Signal vs Telegram and WhatsApp vs Telegram.
Frequently asked questions
Is Signal or WhatsApp more private?
Both encrypt chats and calls end to end. Signal adds that it is a nonprofit that collects no data about you or who you talk to.
Is Signal free?
Yes. Signal says it is free and is supported by donations, not by advertisers or investors.
Which allows bigger groups?
Signal lists group chats up to 1,000 people and group calls up to 50. WhatsApp lists calls with up to 32 people.