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Zalo alternatives: 4 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Zalo: little used outside Vietnam, and interface and help mostly in Vietnamese. We ranked 4 alternatives by how directly each one replaces Zalo, then by reviews, real visits and how recently each app's facts were checked against its own website. Facebook Messenger currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Facebook Messenger logoFacebook MessengerFreeNoWeb, iOS, Android4 of 466.5
2WhatsApp logoWhatsAppFreeNoWeb, Windows, macOS +26 of 662.6
3Telegram logoTelegramFree plan + paidNoWeb, Windows, macOS +35 of 559.6
4Viber logoViberFree plan + paidNoWindows, macOS, Linux +24 of 457.2
  1. Facebook Messenger logo

    1. Facebook MessengerTop pick

    Best for: People whose friends and family mainly keep in touch through Facebook

    FreeWeb, iOS, Android

    66.5

    score / 100

    Why switch from Zalo

    The other messenger widely used in Vietnam, tied to Facebook accounts.

    Pros

    • Reach Facebook contacts without swapping phone numbers
    • Personal chats and calls are encrypted by default
    • Shared albums, games and group video calls built in

    Cons

    • Tied to a Facebook account and Meta's data collection
    • Desktop apps have been retired
    • Cluttered with AI features and business messages
    Visit Facebook Messenger Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Facebook Messenger a good Zalo alternative?

    Verified facts

    4 of 4 verified
    End-to-end encryption
    Personal chats and calls, by default
    Checked Oct 25, 2026messenger.com(opens source in a new tab)
    Account
    Connects with Facebook friends
    Checked Oct 25, 2026messenger.com(opens source in a new tab)
    AI assistant
    Meta AI built in
    Checked Oct 25, 2026messenger.com(opens source in a new tab)
    Group albums
    Yes
    Checked Oct 25, 2026messenger.com(opens source in a new tab)
  2. WhatsApp logo

    2. WhatsApp

    Best for: Anyone who wants to reach friends, family and businesses on the messenger they already use

    FreeWeb, Windows, macOS, iOS, Android

    62.6

    score / 100

    Why switch from Zalo

    Better for international contacts outside Vietnam.

    Pros

    • Almost everyone in many countries already has it
    • Chats and calls are end-to-end encrypted by default
    • Reliable group chats, voice notes and group video calls

    Cons

    • Owned by Meta, which collects usage metadata
    • Requires a phone number to sign up
    • Ads and Meta AI are creeping into the app
    Visit WhatsApp Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is WhatsApp a good Zalo alternative?

    Verified facts

    6 of 6 verified
    Price
    Free
    Checked Oct 25, 2026whatsapp.com(opens source in a new tab)
    End-to-end encryption
    Yes, by default
    Checked Oct 25, 2026whatsapp.com(opens source in a new tab)
    Group size
    Up to 1,000 people
    Checked Oct 25, 2026whatsapp.com(opens source in a new tab)
    Group calls
    Up to 32 people
    Checked Oct 25, 2026whatsapp.com(opens source in a new tab)
    Users
    More than 3 billion
    Checked Oct 25, 2026whatsapp.com(opens source in a new tab)
    Owner
    Meta (joined Facebook in 2014)
    Checked Oct 25, 2026whatsapp.com(opens source in a new tab)
  3. Telegram logo

    3. Telegram

    Best for: Communities, channel followers and power users who want every chat synced on every device

    Free plan + paidWeb, Windows, macOS, Linux, iOS, Android

    59.6

    score / 100

    Why switch from Zalo

    Strong desktop apps and large groups, with an English-first interface.

    Pros

    • Instant sync across phone, desktop and web without the phone online
    • Very large groups and broadcast channels
    • Open bot platform and open-source client apps

    Cons

    • Regular chats are not end-to-end encrypted
    • Secret Chats are one-to-one and tied to a single device
    • Public groups attract spam and scams
    Visit Telegram Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Telegram a good Zalo alternative?

    Verified facts

    5 of 5 verified
    Price
    Free, with optional Premium
    Checked Oct 25, 2026telegram.org(opens source in a new tab)
    Group size
    Up to 200,000 members
    Checked Oct 25, 2026telegram.org(opens source in a new tab)
    End-to-end encryption
    Secret Chats and calls only
    Checked Oct 25, 2026telegram.org(opens source in a new tab)
    File size limit
    2 GB (4 GB with Premium)
    Checked Oct 25, 2026telegram.org(opens source in a new tab)
    Open source
    Client apps, reproducible builds
    Checked Oct 25, 2026telegram.org(opens source in a new tab)
  4. Viber logo

    4. Viber

    Best for: People in Viber-heavy regions and anyone who makes cheap international calls to regular phones

    Free plan + paidWindows, macOS, Linux, iOS, Android

    57.2

    score / 100

    Why switch from Zalo

    Another free encrypted messenger with desktop apps, used in parts of Asia.

    Pros

    • Chats encrypted by default, including groups
    • Full desktop apps for Windows, Mac and Linux
    • Viber Out calls landlines and non-users cheaply

    Cons

    • Ads and promoted content inside the app
    • Small user base outside its core regions
    • Requires a phone number
    Visit Viber Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Viber a good Zalo alternative?

    Verified facts

    4 of 4 verified
    End-to-end encryption
    Yes, by default
    Checked Oct 25, 2026viber.com(opens source in a new tab)
    Disappearing messages
    Yes
    Checked Oct 25, 2026viber.com(opens source in a new tab)
    Device sync
    Mobile and desktop
    Checked Oct 25, 2026viber.com(opens source in a new tab)
    Price
    Free messaging and calls
    Checked Oct 25, 2026viber.com(opens source in a new tab)

The best Zalo alternative for…

The highest-ranked app in this list for each need.

Facebook Messenger logo

Best Zalo alternative for most people

Facebook Messenger

The other messenger widely used in Vietnam, tied to Facebook accounts.

WhatsApp logo

Best Zalo alternative for a free option

WhatsApp

Better for international contacts outside Vietnam.

Telegram logo

Best Zalo alternative for a free plan you can upgrade

Telegram

Strong desktop apps and large groups, with an English-first interface.

Viber logo

Best Zalo alternative for Mac

Viber

Another free encrypted messenger with desktop apps, used in parts of Asia.

WhatsApp logo

Best Zalo alternative for Windows

WhatsApp

Better for international contacts outside Vietnam.

Telegram logo

Best Zalo alternative for Linux

Telegram

Strong desktop apps and large groups, with an English-first interface.

Facebook Messenger logo

Best Zalo alternative for iPhone and Android

Facebook Messenger

The other messenger widely used in Vietnam, tied to Facebook accounts.

Facebook Messenger logo

Best Zalo alternative for working in the browser

Facebook Messenger

The other messenger widely used in Vietnam, tied to Facebook accounts.

Zalo alternatives: common questions

What is the best alternative to Zalo?

Facebook Messenger ranks first right now. The other messenger widely used in Vietnam, tied to Facebook accounts. WhatsApp and Telegram follow it in our ranking.

Is there a free alternative to Zalo?

Yes. Facebook Messenger (free), WhatsApp (free), Telegram (free plan + paid) and Viber (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Zalo?

None of the 4 alternatives in this list is open source.

Which Zalo alternatives work on Linux?

Telegram and Viber run on Linux.

Why do people switch from Zalo?

The complaints we hear most: little used outside Vietnam; interface and help mostly in Vietnamese; chats not end-to-end encrypted by default.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Zalo, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.