Telegram vs Signal: Which App Should You Use?
Pick Signal if privacy is your top priority — it encrypts everything by default and collects almost no data. Pick Telegram if you want features: huge groups, channels, bots, and cloud sync across all your devices. Many people keep both: Signal for private chats, Telegram for communities. Read on for the full breakdown.
Side-by-side comparison table
| Feature | Signal | Telegram |
|---|---|---|
| Monthly users (2026) | 70–100 million | 1 billion |
| End-to-end encryption | Yes — every chat and call, by default | Only in Secret Chats (opt-in) |
| Encryption protocol | Signal Protocol (open source) | MTProto 2.0 (proprietary) |
| Server code | Open source | Closed source |
| Data stored about you | Phone number + last-connect date | Contacts, IPs, device IDs, chat data |
| Group size limit | 1,000 members | 200,000 members |
| Broadcast channels | Not supported | Unlimited subscribers |
| File size limit | ~100 MB | 2 GB free / 4 GB Premium |
| Cloud message sync | No (device-to-device) | Yes, unlimited |
| Bots | Limited | Mature platform since 2015 |
| Ads | None | In public channels |
| Paid tier | None (donation-funded) | Premium at $4.99/month |
| Ownership | US nonprofit (Signal Foundation) | For-profit private company |
Encryption: the biggest difference
This is where the two apps split completely, so let's be precise.
Signal encrypts everything, automatically. Every text, every group chat, every voice and video call is end-to-end encrypted from the moment you install the app. You can't turn it off by accident. It uses the Signal Protocol — open source, reviewed by cryptographers for over a decade, and trusted enough that WhatsApp and Google's RCS both adopted it.
Telegram encrypts only what you ask it to. Regular chats, groups, and channels use client-server encryption: your messages travel safely, but Telegram's servers hold the keys and could technically read them. True end-to-end encryption exists only in Secret Chats — and those come with strings attached: they work on one device pair only, they don't work in groups, and most users never turn them on.
The practical result: on Signal, privacy is the default you can't break. On Telegram, privacy is a feature you have to remember to enable.
Privacy and what each app collects
Encryption protects message content. But apps also collect metadata — who you talk to, when, from where. Here the gap is just as wide.
Signal stores almost nothing. When US authorities have served Signal with subpoenas, the company could hand over exactly two things: the account's phone number and the date it last connected. No contact lists, no group memberships, no message history, no IP logs. The system is designed to forget.
Telegram stores much more. Contacts, IP addresses, device identifiers, and your cloud chats live on its servers. And in September 2024, Telegram changed its privacy policy: it may now share your IP address and phone number with authorities when presented with a valid legal order. Before that change, it promised to do so only in terrorism cases.
Worth knowing: Telegram's founder Pavel Durov was arrested in France in August 2024 over content-moderation disputes. The case pushed Telegram toward closer cooperation with law enforcement — the opposite direction from Signal, which structurally cannot share what it doesn't store.
Features: groups, channels, and bots
Flip the scoreboard, and Telegram dominates. This is why a billion people use it.
Groups and channels. Telegram groups hold up to 200,000 members; Signal caps at 1,000. Telegram channels let anyone broadcast to unlimited subscribers — news outlets, crypto communities, and hobby groups run entire audiences there. Signal has nothing like channels.
Bots. Telegram's bot platform has been maturing since 2015: payment bots, quiz bots, admin bots, mini-apps, even a crypto wallet. Signal's bot support is minimal by design.
Customization. Telegram offers themes, chat folders, animated stickers, and deep notification controls. Signal is deliberately plain — it does messaging and calls, and stops there.
If your digital life revolves around communities, Telegram isn't just better — Signal isn't even playing the same game.
File sharing and calls
Files: Telegram lets free users send files up to 2 GB (4 GB on Premium). Signal caps at around 100 MB. For sharing videos, documents, or big media drops, Telegram wins easily.
Cloud sync: Telegram stores your chats in its cloud, so you can log in on any phone, tablet, or browser and everything is there. Signal syncs device-to-device with no cloud copy — safer, but lose your phone without a backup and your history is gone.
Calls: Both offer encrypted voice and video calls. Signal supports group calls up to 50 people; Telegram supports large group voice chats and video with up to 1,000 viewers. Both offer disappearing messages.
Price: free vs Premium
Signal is completely free — no tiers, no ads, no upsells. It's run by a nonprofit funded by donations.
Telegram is free too, with an optional Premium subscription at $4.99/month that adds 4 GB uploads, faster downloads, and extra customization. Free users see ads, but only in large public channels — private chats stay ad-free.
Who owns them and why it matters
Signal is run by the Signal Foundation, a US-registered nonprofit. Its code — apps and servers — is open source. Its funding comes from donations, so it has no reason to harvest your data or show you ads.
Telegram is a for-profit private company led by Pavel Durov, headquartered in Dubai. Its client apps are open source, but the server code is closed. It makes money from ads and Premium subscriptions — a normal business model, but one that depends on keeping your data on its servers.
Neither ownership model is evil. But they explain every difference above: Signal's design serves privacy; Telegram's design serves features that need a cloud.
Pros and cons
Signal — pros
- End-to-end encryption on everything, by default
- Collects almost no data about you
- Fully open source, independently audited
- No ads, no trackers, no paid tier
- Simple and easy for non-technical users
Signal — cons
- Much smaller user base (70–100M vs 1B)
- Groups capped at 1,000 members
- No channels, weak bot platform
- ~100 MB file limit
- No cloud backup — lose your phone, lose history
Telegram — pros
- 1 billion users — your people are probably there
- 200,000-member groups + unlimited channels
- Mature bots, mini-apps, and customization
- 2 GB free file sharing, unlimited cloud sync
- Works on any device, including web, instantly
Telegram — cons
- No end-to-end encryption by default
- Stores contacts, IPs, and chat data on its servers
- May share IP + phone number under legal orders (since Sep 2024)
- Proprietary protocol, closed server code
- Ads in public channels
Which should you pick?
Forget "which is better." Ask what you need it for:
- Maximum privacy (sensitive work, activism, private family matters) → Signal. No contest.
- Running a community (gaming clan, trading group, fan club) → Telegram. Signal can't do this at scale.
- Broadcasting (news, updates, content) → Telegram channels. Signal has no equivalent.
- Sharing big files → Telegram (2 GB free beats 100 MB).
- Simple private chats with family → Signal. Easier to trust, nothing to configure.
- Can't decide? → Use both. Signal for private conversations, Telegram for communities. That's what most privacy-aware people actually do.
One more thing: messaging is social. The "best" app is the one your contacts use. If everyone you know is on Telegram, installing Signal alone just gives you an empty contact list. The practical move is to get your most important people onto Signal for sensitive chats, and meet everyone else where they already are.
Frequently asked questions
Is Signal more private than Telegram?
Yes. Signal encrypts every chat and call end-to-end by default and stores almost nothing about you — just your phone number and the date you last connected. Telegram only encrypts chats you manually mark as Secret Chats; everything else passes through Telegram's servers.
Can Telegram read my messages?
In regular chats, yes — technically. Regular Telegram chats use client-server encryption, so Telegram holds the keys and could read messages. Secret Chats are end-to-end encrypted and Telegram cannot read those.
Which app is better for large groups?
Telegram, by far. Telegram groups hold up to 200,000 members and channels have unlimited subscribers. Signal groups are capped at 1,000 members.
Is Telegram free? Is Signal free?
Both are free. Signal is fully free with no paid tier, funded by donations to its nonprofit. Telegram is free too, with an optional Telegram Premium subscription ($4.99/month) for extras like 4GB uploads and faster downloads.
Do I need both Telegram and Signal?
Many people do. Use Signal for private one-to-one conversations and anything sensitive, and Telegram for communities, channels, and large group chats. They solve different problems.
Did Telegram change its privacy policy?
Yes. In September 2024 Telegram updated its policy to say it may share your IP address and phone number with authorities when presented with a valid legal order. Before that, it promised disclosure only in terrorism cases.